Cub Cadet Rzt 42 Problems: Troubleshooting Solutions

The Cub Cadet RZT 42 may experience various problems such as transmission issues, cutting problems, and faulty clutch systems. These problems can cause a loss of power, uneven cutting, and difficulty in maneuvering the mower.

Additionally, accumulation of grass clippings can lead to transmission overheating. It is important to regularly clean the mower to prevent these issues.

13 Easy Solutions For Cub Cadet RZT 42 Common Problems:

The RZT 42 is a zero-turn mower that stands out for its compact size and improved efficiency and fuel economy.

Having trouble starting your Cub Cadet RZT 42 mower? Common problems include issues with the hour meter, safety interlock system, transmission, uneven cutting, and faulty clutch systems and more. Ensure proper cleaning and maintenance to avoid these issues.

#1- Mower Won’t Start

If you’re facing the problem of your Cub Cadet RZT 42 mower not starting, there are a few potential causes and solutions you can try:

Battery issues: Check the battery connections and make sure they are clean and secure. If the battery is old or weak, it may need to be replaced. Consider testing the battery with a multimeter to determine its voltage.

Spark plug problems: Inspect the spark plug and replace it if it’s worn out, fouled, or damaged. Ensure the spark plug wire is securely connected.
Fuel system concerns: Make sure the fuel tank has enough gasoline and that the fuel is fresh. If the fuel is old or contaminated, drain it and refill with fresh fuel. Check the fuel filter for clogs and replace if necessary.
Ignition switch or starter solenoid malfunction: Ensure the ignition switch is in the proper position and that the starter solenoid is functioning correctly. If necessary, consult the owner’s manual for instructions on troubleshooting and replacing these components.

Safety interlock system issues: Examine the safety interlock system, including the seat switch, brake switch, and blade engagement switch. If any of these switches are faulty or not engaging properly, the mower may not start.
Engine issues: If none of the above solutions work, there may be deeper engine problems. Consider seeking professional assistance from a qualified mechanic or authorized Cub Cadet service center.

Remember to always refer to the owner’s manual for specific troubleshooting instructions and safety precautions.

#2- Mower Stops While Mowing

When mowing with the Cub Cadet Rzt 42, you may encounter the problem of the mower stopping unexpectedly. This could be due to issues with the transmission, cutting problems, or other mechanical faults. Seek troubleshooting tips and solutions to get your mower back up and running smoothly.

Mowing your lawn can be a therapeutic and satisfying task, but it can quickly become frustrating when your Cub Cadet RZT 42 suddenly stops in the middle of the task. Don’t worry, as this problem is not uncommon and can be easily resolved with a bit of troubleshooting.

Below are some of the possible causes of this issue and their solutions:

Faulty Ignition Switch:

Check if the ignition switch is securely connected and functioning properly.
If the ignition switch is loose or damaged, it may disrupt the mower’s operation. Replace it if necessary.

Loose Or Damaged Wiring:

Inspect the wiring connections around the mower to ensure they are secure and not damaged.

Loose or damaged wiring can cause intermittent power loss, which may result in the mower stopping unexpectedly.

Clogged Air Filter:

A clogged air filter restricts airflow to the engine, causing it to overheat and shut down.
Regularly clean or replace the air filter to prevent this issue.

Fuel-Related Issues:

Check the fuel level to ensure it is not too low, as inadequate fuel supply can cause the mower to stop abruptly.
Make sure the fuel tank and fuel lines are clean and free from debris. Blocked fuel lines can disrupt the mower’s performance.

Overheating:

Mowing for extended periods without breaks can cause the mower’s engine to overheat.

Give your mower regular breaks to cool down and prevent overheating.

Blade Obstruction:

Check the mower’s blade for any obstructions, such as twigs or debris.
Clear any obstructions to ensure the blades can rotate freely and prevent the mower from stalling.

Improper Cutting Technique:

Ensure that you are using the correct mowing technique and not overloading the mower with excessively tall or thick grass.
Adopting a slower speed and taking smaller cutting widths can prevent the mower from stopping during operation.

Remember, regular maintenance and inspection of your Cub Cadet RZT 42 can help identify and resolve problems before they escalate. If these troubleshooting steps do not resolve the issue, it is advisable to consult a professional or contact Cub Cadet customer support for further assistance.

#3- Smoke Coming Out Of The Mower

If you notice smoke coming out of your Cub Cadet RZT 42 mower, it could indicate a potential problem. It’s important to address this issue promptly to prevent further damage to the mower.

If you’re noticing smoke coming out of your Cub Cadet RZT 42 mower, it could be a sign of a problem that needs to be addressed. Here are a few possible causes and solutions:

Overfilling the oil: Check the oil level and make sure it is at the appropriate level. Overfilling the oil can lead to smoke coming out of the mower. If necessary, drain some oil to bring it to the correct level.

Clogged air filter: A dirty or clogged air filter can restrict airflow, causing the engine to overheat and produce smoke. Check the air filter and clean or replace it if needed.
Worn piston rings: If the piston rings are worn, it can cause oil to leak into the combustion chamber and create smoke. In this case, it’s best to consult a professional for repair or replacement.
Fuel issues: Contaminated or stale fuel can also lead to smoke coming out of the mower. Make sure to use fresh, clean fuel and check for any fuel system issues that may need to be addressed.

Improper maintenance: Regular maintenance, including oil changes, air filter cleaning/replacement, and spark plug inspection, is crucial for preventing issues like smoke coming out of the mower. Ensure you are following the manufacturer’s recommended maintenance schedule.

Remember, if the problem persists or you’re unsure about the cause, it’s best to consult a professional for further diagnosis and repair. Early detection and proper maintenance can help resolve smoke-related issues and keep your Cub Cadet RZT 42 mower running smoothly.

#4- Weak Hydrostatic Transmission

The Cub Cadet Rzt 42 may experience weak hydrostatic transmission, resulting in a loss of power on one side or the other. This common problem can affect the mower’s performance and should be addressed promptly.

A weak hydrostatic transmission on a Cub Cadet Rzt 42 can be a frustrating problem. It can cause the mower to move slowly or struggle when going uphill. Here are some common causes and solutions for a weak hydrostatic transmission:

Low hydraulic fluid: Check the hydraulic fluid level in the transmission. If it is low, adding more fluid can help improve the transmission’s performance.
Dirty or clogged filters: A dirty or clogged filter can restrict the flow of hydraulic fluid, leading to a weak transmission. Regularly cleaning or replacing the filters can help maintain optimal performance.

Worn or damaged drive belt: A worn or damaged drive belt can slip or lose tension, resulting in a weak transmission. Inspect the drive belt and replace it if necessary.
Air in the hydraulic system: Air bubbles in the hydraulic system can also cause a weak transmission. Bleeding the system to remove any air can help restore proper functionality.
Mechanical issues: In some cases, mechanical issues like worn gears or a damaged pump can cause a weak hydrostatic transmission. If the above solutions don’t resolve the problem, it is recommended to seek professional assistance for further diagnosis and repair.

Remember, proper maintenance and regular inspections can help prevent weak hydrostatic transmission issues.

#5- Mower Doesn’t Steer Correctly

The Cub Cadet RZT 42 may encounter a problem where the mower doesn’t steer correctly. This issue may cause difficulties in maneuvering the mower effectively.

If you’re experiencing steering issues with your Cub Cadet RZT 42 mower, here are some possible causes and solutions to help you troubleshoot the problem:

Loose steering linkage: Check for any loose or worn-out bolts or nuts in the steering linkage. Tighten or replace them if necessary.
Damaged steering gear: Inspect the steering gear for any signs of damage or wear. If you notice any issues, such as broken teeth or excessive play, consider replacing the steering gear assembly.
Improper tire pressure: Uneven tire pressure can affect the mower’s steering. Check the tire pressure and adjust it accordingly, ensuring that all tires have the same pressure.

Bent or damaged steering components: Examine the steering components, such as the tie rods and drag links, for any bending or damage. Replace any faulty parts to restore proper steering.
Uneven or worn-out tires: Uneven or excessively worn tires can cause steering problems. Inspect the tires for any signs of uneven wear and replace them if needed.
Improper wheel alignment: Incorrect wheel alignment can affect the mower’s steering performance. Make sure that the wheels are properly aligned according to the manufacturer’s specifications.

Faulty steering mechanism: If none of the above solutions resolve the steering issue, there might be a problem with the steering mechanism itself. In such cases, it is recommended to consult a professional for further diagnosis and repair.

Remember, regular maintenance and timely inspection of your Cub Cadet RZT 42 mower can help prevent steering problems and ensure smooth operation.

#6 -Mower Isn’t Moving

The Cub Cadet RZT 42 may encounter problems with the mower not moving. This can be caused by issues with the transmission, cutting problems, or faulty clutch systems. Troubleshooting may be necessary to identify and resolve the problem.

Here are some possible causes and solutions for this problem:

1. Drive Belt Issues

Drive belt is loose or worn out: A loose or worn-out drive belt can prevent the mower from moving properly. Check the condition of the drive belt and tighten or replace it if necessary.
Drive belt is off the pulley: If the drive belt has come off the pulley, it will need to be repositioned correctly to regain proper movement.

2. Transmission Problems

Low hydraulic fluid level: Insufficient hydraulic fluid can cause the mower to lose its ability to move. Check the hydraulic fluid level and top it up if needed.
Faulty transmission: If all else fails, it’s possible that the transmission itself is faulty and may require professional inspection or replacement.

3. Wheel Issues

Wheels are not engaged: Make sure the wheels are engaged and properly locked into position. If they are not engaged correctly, the mower will not move.

Wheels are damaged or worn: Damaged or worn wheels can affect the mower’s movement. Check the condition of the wheels and replace them if necessary.

4. Other Potential Causes

Faulty brake system: A faulty brake system can prevent the mower from moving. Check the brake system and repair or replace any faulty components.
Electrical issues: Inspect the electrical connections and wiring to ensure there are no loose connections or damaged wires.

Remember, if you’re unsure or uncomfortable performing any troubleshooting or repairs yourself, it’s always best to consult a professional for assistance. They will have the expertise to diagnose and fix the issue properly.

#7- Mower Is Vibrating

If your Cub Cadet Rzt 42 is vibrating while mowing, it could indicate a problem with the blades, cutting deck, or transmission. Check for any dull or worn blades, clogged deck, or transmission issues to resolve the vibration issue.

If you’re experiencing excessive vibrations while operating your Cub Cadet RZT 42 mower, there are a few potential causes to consider:

Uneven cutting deck: Check if the cutting deck is level. Adjusting the cutting height to ensure it is even on all sides can help reduce vibrations.
Worn or unbalanced blades: Inspect the blades for signs of wear or damage. Replace any worn blades and ensure they are properly balanced to reduce vibrations.
Loose or damaged components: Vibrations can be caused by loose or damaged parts such as bolts, nuts, or pulleys. Inspect all components and tighten or replace as needed.

Bent or damaged deck: A bent or damaged cutting deck can lead to vibrations. Carefully inspect the deck for any signs of bending or damage and consider replacing it if necessary.
Incorrect tire pressure: Improperly inflated tires can contribute to vibrations. Check the tire pressure and adjust accordingly.
Engine problems: Vibrations can be a symptom of engine issues, such as worn-out engine mounts or an imbalanced flywheel. Consult a professional mechanic if you suspect engine-related problems.

Remember to always follow the manufacturer’s guidelines for maintenance and troubleshooting. Regular inspection, maintenance, and timely repairs can help minimize vibrations and ensure smoother operation of your Cub Cadet RZT 42 mower.

#8- Uneven Cut

The Cub Cadet Rzt 42 may experience problems with uneven cutting, among other issues. Customers have reported troubleshooting the hour meter, safety interlock system, transmission, and faulty clutch systems.

An uneven cut is a common problem that many Cub Cadet RZT 42 owners encounter. This issue can result in an unsightly lawn and an inconsistent mowing experience. Here are some possible causes and solutions to address the problem:

Improper deck leveling: The cutting deck on your Cub Cadet RZT 42 needs to be properly leveled to ensure an even cut. Follow these steps to adjust the deck level:
Measure the distance between the blade tip and the ground on all four sides of the deck.
Use the deck adjustment knobs or levers to raise or lower the deck until the measurements are consistent.

Confirm the measurements again after making adjustments.
Dull or worn blades: Blades that are dull or worn can lead to an uneven cut. Replace the blades if they show signs of wear or damage. Regularly sharpen or replace blades to maintain a crisp and even cut.
Clogged cutting deck: Accumulated grass clippings and debris in the cutting deck can hinder the blades’ ability to cut evenly. Clean the deck regularly to ensure proper airflow and prevent clogs.

Inconsistent ground speed: Mowing at inconsistent speeds can result in an uneven cut. Maintain a steady speed while mowing to achieve a uniform cut across the lawn.
Tire pressure imbalance: Uneven tire pressure can cause the mower to cut unevenly. Check the tire pressure and adjust it as needed to ensure balanced cutting.
Worn or damaged mower deck belt: A worn or damaged mower deck belt can affect the cutting performance. Inspect the belt for wear or damage and replace it if necessary.

Remember, a regular maintenance routine and proper mowing techniques can help prevent uneven cuts with your Cub Cadet RZT 42.

#9- Leaking Gas

If you’re experiencing problems with your Cub Cadet RZT 42, one common issue to look out for is a leaking gas. This can cause power loss and affect the overall performance of your mower. Make sure to address this problem promptly to avoid further damage.

Gas leaks can be a problematic issue with the Cub Cadet RZT 42. Here are some common causes and solutions to address this problem:

Loose or damaged fuel lines: Inspect the fuel lines for any signs of looseness or damage. If any issues are found, tighten or replace the fuel lines as needed.
Faulty fuel tank cap: A faulty fuel tank cap can lead to gas leaks. Check the cap for any cracks or damage. Replace the cap if necessary to ensure a proper seal.
Carburetor issues: Problems with the carburetor can result in gas leaks. Clean or repair the carburetor as needed to prevent leaks.

Fuel filter clogs: A clogged fuel filter can cause fuel to back up and leak. Regularly clean or replace the fuel filter to prevent this issue.
Overfilling the fuel tank: Overfilling the fuel tank can cause gas to spill out and leak. Ensure that you do not overfill the tank when refueling.
Damaged fuel tank: If the fuel tank is damaged or has cracks, it can lead to gas leaks. Inspect the tank for any signs of damage and replace if necessary.

Improper storage: Improperly storing the mower with a full tank of gas can result in leaks over time. Always drain the fuel tank before storing the mower for extended periods.

By addressing these common causes of gas leaks, you can ensure that your Cub Cadet RZT 42 operates efficiently and safely without any fuel leakage issues.

#10- Mower Is Hard To Start

The Cub Cadet Rzt 42 mower may have problems starting, making it difficult to use. Possible issues could include a faulty ignition system or a clogged fuel line. Troubleshooting these problems can help get the mower running smoothly again.

Having trouble starting your Cub Cadet Rzt 42 mower? Don’t worry, you’re not alone. Many users face difficulties when it comes to starting their mowers. Here are some common reasons why your mower may be hard to start:

Dirty spark plug: A fouled spark plug can make it difficult for the engine to start. Make sure to clean or replace the spark plug regularly.
Fuel quality: Stale or low-quality fuel can affect the starting process. Ensure that you are using fresh, clean fuel that meets the manufacturer’s recommendations.

Clogged fuel filter: A clogged fuel filter can restrict fuel flow to the engine, making it challenging to start. Consider cleaning or replacing the fuel filter.
Choke issues: Problems with the choke can lead to difficulty starting the mower. Check if the choke is functioning correctly and adjust it as needed.
Faulty ignition switch: A faulty ignition switch can prevent the mower from starting. Inspect the ignition switch and replace it if necessary.

Remember, regular maintenance and troubleshooting can help address starting issues with your Cub Cadet Rzt 42 mower. If the problem persists, it may be worth seeking professional assistance to diagnose and fix the issue.

Remember to consult the manufacturer’s manual or contact their customer support if you need further assistance.

#11- Fuel Issues

The Cub Cadet RZT 42 may encounter fuel issues such as clogged fuel lines, dirty fuel filters, or a malfunctioning fuel pump, resulting in difficulties starting or running the mower. Regular maintenance and cleaning can help prevent these problems.

Can be a common problem with the Cub Cadet RZT 42 and can cause it to run poorly or even fail to start. Here are some potential fuel-related problems that you may encounter:

Dirty or clogged fuel filter: A dirty or clogged fuel filter can inhibit the proper flow of fuel, leading to engine performance issues. Consider checking and replacing the fuel filter if necessary.
Contaminated fuel: If you suspect that the fuel in your Cub Cadet RZT 42 may be contaminated, it’s essential to drain the old fuel and replace it with fresh, clean fuel. Contaminated fuel can cause erratic engine operation and even damage the carburetor.

Faulty fuel pump: A malfunctioning fuel pump can prevent the engine from receiving sufficient fuel, resulting in poor performance or stalling. If you suspect a faulty fuel pump, it may need to be replaced.
Improper fuel mixture: Using the wrong fuel mixture or incorrect fuel-to-oil ratio can cause fuel delivery problems and damage the engine. Make sure to use the recommended fuel and oil mixture specified in the owner’s manual.
Clogged fuel lines: Over time, fuel lines can become clogged with debris, preventing a smooth flow of fuel. Regular inspection and cleaning of the fuel lines can help prevent fuel delivery issues.

It’s important to address any fuel-related problems promptly to ensure the optimal performance and longevity of your Cub Cadet RZT 42. By maintaining a clean fuel system and following proper fueling procedures, you can help prevent fuel issues and keep your mower running smoothly.

#12- Hour Meter Issues

Customers of Cub Cadet Rzt 42 have reported hour meter issues, safety interlock system issues, transmission problems, uneven cutting, and faulty clutch systems. These problems can affect the performance of the mower and may require troubleshooting and repair.

The hour meter is an essential component of the Cub Cadet RZT 42 mower, as it helps you keep track of the machine’s usage and maintenance schedule. However, like any other electronic device, the hour meter can sometimes encounter issues that might affect its accuracy or functionality.

Here are some common problems associated with hour meters on Cub Cadet RZT 42 mowers:

Inaccurate readings: The hour meter may display incorrect readings, either showing more or fewer hours than the actual usage. This can make it challenging to determine when the next maintenance tasks, such as oil changes or blade sharpening, are due.
Resetting of the hour meter: In some cases, the hour meter may reset to zero unexpectedly, erasing all previous usage records. This can be frustrating, especially if you rely on the hour meter for tracking the mower’s overall lifespan.

Hour meter not working: Another issue that owners may face is the hour meter not working at all. This can be due to a faulty connection, a blown fuse, or a malfunctioning hour meter itself. Without the hour meter, it becomes difficult to monitor and plan for routine maintenance.
Difficult to read: The hour meter’s display may become dim or faded over time, making it challenging to read the hour readings accurately. This can be caused by exposure to harsh weather conditions or wear and tear.
Inconsistent backlighting: Some Cub Cadet RZT 42 owners may notice that the hour meter’s backlighting is not consistent, flickering or turning off intermittently. This can make it hard to read the hour readings, especially in low-light conditions.

If you encounter any of these hour meter issues with your Cub Cadet RZT 42 mower, it is recommended to consult the owner’s manual or contact a certified technician for assistance.

#13- Uneven Cutting Of Grass

One of the common problems with the Cub Cadet RZT 42 is uneven cutting of grass. This can be caused by various issues such as dull or worn blades, not overlapping cutting rows, or a clogged deck with grass clippings.

When it comes to maintaining a well-manicured lawn, having uneven cutting of grass can be frustrating. Not only does it affect the overall appearance of your yard, but it also indicates underlying problems with your Cub Cadet Rzt 42 mower.

Let’s explore some of the potential causes of uneven cutting and how to troubleshoot them:

Uneven Tire Pressure: Check the tire pressure of all four tires. Uneven tire pressure can cause your mower to lean to one side, resulting in uneven cutting. Adjust the tire pressure accordingly, ensuring that all tires are evenly inflated.
Blade Wear and Damage: Dull or damaged blades can lead to uneven cutting. Inspect the blades for wear, cracks, or dullness. If necessary, sharpen or replace the blades to ensure clean and even cuts.

Mower Deck Leveling: Improper mower deck leveling is a common cause of uneven cutting. Use a level tool to check the levelness of your mower deck. Adjust the deck height accordingly, ensuring that it is parallel to the ground for an even cutting height.
Mower Deck Cleaning: A clogged mower deck can also result in uneven cutting. Remove any accumulated grass clippings or debris from the underside of the mower deck. This will allow for proper airflow and ensure a more even cut.
Cutting Height Adjustment: Check the cutting height adjustment on your Cub Cadet Rzt 42 mower. Ensure that it is set at the desired level for a uniform cut. Adjust the cutting height if necessary for an even-looking lawn.

Mower Speed: Adjusting the speed of your mower can also impact the quality of the cut. Excessive speed can cause the blades to miss sections of grass, resulting in uneven cutting. Find an appropriate speed that allows the blades to cut smoothly and evenly.
Mower Technique: While not directly related to the mower itself, your cutting technique can affect the outcome. Make sure to mow in straight lines and overlap each pass to ensure complete coverage and a uniform cut.

By addressing these potential causes and implementing the necessary adjustments or troubleshooting steps, you can resolve the issue of uneven cutting of grass with your Cub Cadet Rzt 42 mower.

Frequently Asked Questions

What Are The Most Common Problems With Zero Turn Mowers?

The most common problems with zero turn mowers include dull or worn blades, not overlapping cutting rows, clogged deck, and engine speed issues.

What Is Wrong With A Cub Cadet Zero Turn?

The Cub Cadet zero turn may have issues with dull or worn blades, non-overlapping cutting rows, and grass clippings clogging the deck.

Final Words

To ensure that your Cub Cadet RZT 42 mower operates at its best, it’s essential to be aware of potential problems. Some common issues that customers face include hour meter issues, safety interlock system issues, transmission problems, uneven cutting, and faulty clutch systems.

One of the most frequent transmission problems is a loss of power on one side or the other. Cleaning accumulated clippings around the mower can prevent transmissions from overheating and failing. Additionally, dull or worn blades, failure to overlap cutting rows, and a deck clogged with grass clippings can affect the quality of your cutting.

It’s crucial to regularly maintain and inspect your Cub Cadet RZT 42 to identify and address any problems. By doing so, you can ensure that your mower remains in optimal condition and performs at its best, providing you with a smooth and efficient mowing experience.

Cub Cadet Rzt 42 Problems: Troubleshooting Solutions

13 Easy Solutions For Cub Cadet RZT 42 Common Problems:

#1- Mower Won’t Start