EDITED THREAD! Dealer is replacing both front cv axles!!!Need Some Mechnicial Help Please!

[Chops]

Yes AWD...And Thanks..Got 40k miles and I believe these may be the original tires so gonna get new tores and alignment this week

My Maverick is my first AWD - and I’ve heard that replacing only 2 wheels can cause problems. Maybe get 4 identical tires to be safe?

Per Grok3 AI:
Replacing only the front tires on an all-wheel-drive (AWD) vehicle can be risky and is generally not recommended. AWD systems rely on all four tires having similar tread depths and diameters to function properly. Significant differences between front and rear tires can cause issues like:



- **Drivetrain stress**: Uneven tire sizes or wear can strain the differentials, transfer case, or viscous couplings, potentially leading to costly repairs.

- **Handling issues**: Mismatched tires can affect traction, stability, and braking, especially in adverse conditions.

- **AWD system malfunction**: Some AWD systems may detect differences in tire rotation and trigger warning lights or limp mode.



### Recommendations:

1. **Replace all four tires**: This is the safest option to maintain balanced performance and avoid drivetrain issues.

2. **Check manufacturer guidelines**: Some AWD vehicles (e.g., Subaru, Audi) have specific requirements for tire replacement, often recommending all four tires or maintaining tread depth differences within 2/32nds of an inch.

3. **If replacing only two tires**:

- Ensure the new tires match the brand, model, and size of the existing ones.

- Place the new tires on the rear axle (per industry recommendations for better stability).

- Verify that the tread depth difference between front and rear tires is minimal (consult your vehicle’s manual or a professional).

4. **Shave new tires**: In some cases, tire shops can shave new tires to match the tread depth of the existing ones, though this is less common.



### Exceptions:

- If the tread depth difference is negligible and within the manufacturer’s tolerance, replacing only the front tires might be acceptable, but consult a professional.

- Temporary spares are okay for short-term use but should not be used long-term.



**Best practice**: Consult your vehicle’s manual or a trusted mechanic/tire professional to ensure compatibility with your specific AWD system.

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[tciotti2003]

My Maverick is my first AWD - and I’ve heard that replacing only 2 wheels can cause problems. Maybe get 4 identical tires to be safe?

Per Grok3 AI:
Replacing only the front tires on an all-wheel-drive (AWD) vehicle can be risky and is generally not recommended. AWD systems rely on all four tires having similar tread depths and diameters to function properly. Significant differences between front and rear tires can cause issues like:



- **Drivetrain stress**: Uneven tire sizes or wear can strain the differentials, transfer case, or viscous couplings, potentially leading to costly repairs.

- **Handling issues**: Mismatched tires can affect traction, stability, and braking, especially in adverse conditions.

- **AWD system malfunction**: Some AWD systems may detect differences in tire rotation and trigger warning lights or limp mode.



### Recommendations:

1. **Replace all four tires**: This is the safest option to maintain balanced performance and avoid drivetrain issues.

2. **Check manufacturer guidelines**: Some AWD vehicles (e.g., Subaru, Audi) have specific requirements for tire replacement, often recommending all four tires or maintaining tread depth differences within 2/32nds of an inch.

3. **If replacing only two tires**:

- Ensure the new tires match the brand, model, and size of the existing ones.

- Place the new tires on the rear axle (per industry recommendations for better stability).

- Verify that the tread depth difference between front and rear tires is minimal (consult your vehicle’s manual or a professional).

4. **Shave new tires**: In some cases, tire shops can shave new tires to match the tread depth of the existing ones, though this is less common.



### Exceptions:

- If the tread depth difference is negligible and within the manufacturer’s tolerance, replacing only the front tires might be acceptable, but consult a professional.

- Temporary spares are okay for short-term use but should not be used long-term.



**Best practice**: Consult your vehicle’s manual or a trusted mechanic/tire professional to ensure compatibility with your specific AWD system.

Agreed..Will be replacing all 4 tires and getting front end alignment. Also will be having Discount Tire do road force balancing...

 

[dhaskit]

Sounds like you could have a tire with tread separating from the carcass underneath it.
Think, giant bubble on part of the tread. Belts in the tire’s construction do occasionally come apart….or a wife driving it and slamming into a curb can cause the belts to separate as well. Just something to have looked at.

 

[BLUEOVALRACER]

Agreed..Will be replacing all 4 tires and getting front end alignment. Also will be having Discount Tire do road force balancing...

If the 4 new tires doesn't solve the problem maybe It's Rear Driveshaft related?

 

[HeyBales]

Manual agrees with AWD req.
And another req!
Make sure the tire place ran out of correct inventory - and you get 4 different sizes for stem!

Tire Replacement Requirements


Your vehicle is equipped with tires designed to provide a safe ride and handling capability.

WARNING: Only use replacement tires and wheels that are the same size, as those originally provided for your vehicle. The required tire and wheel sizes, along with the minimum required Load and Speed Index, can be found on the Tire Label on the driver side door frame or the edge of the driver door. If this information is not found in those locations, or for additional options, contact your authorized dealer. Use of any tire or wheel not recommended, could affect the safety and performance of your vehicle, which could result in an increased risk of loss of vehicle control, vehicle rollover, personal injury and death. WARNING: To reduce the risk of serious injury, when mounting replacement tires and wheels, you should not exceed the maximum pressure indicated on the sidewall of the tire to set the beads without additional precautions listed below. If the beads do not seat at the maximum pressure indicated, re-lubricate and try again. WARNING: For a mounting pressure more than 20 psi (1.38 bar) greater than the maximum pressure, a Ford dealer or other tire service professional should do the mounting. WARNING: Always inflate steel carcass tires with a remote air fill with the person inflating standing at a minimum of 12 ft (3.66 m) away from the wheel and tire assembly. WARNING: Only use the specified jacking points. If you use any other locations you could damage vehicle components, such as brake lines. WARNING: When inflating the tire for mounting pressures up to 20 psi (1.38 bar) greater than the maximum pressure on the tire sidewall, the following precautions must be taken to protect the person mounting the tire:

• Make sure that you have the correct tire and wheel size.
• Lubricate the tire bead and wheel bead seat area again.
• Stand at a minimum of 12 ft (3.66 m) away from the wheel and tire assembly.
• Use both eye and ear protection.

Important: Remember to replace the wheel valve stems when the road tires are replaced on your vehicle.
It is recommended that the two front tires or two rear tires generally be replaced as a pair if the worn tires still have usable depth.
To avoid potential All-Wheel Drive (AWD) malfunction or (AWD) system damage, it is recommended to replace all four tires rather than mixing significantly worn tires with new tires.

 

[AutobahnSHO]

Twice on two different cars I've had crazy vibrations from a tire with broken belt. Probably hit bad pot holes.

Tire shop should be able to tell if they try to balance the tires. Might not need to get 4 new ones, we're on our original 2023 tires.

Also if you need to replace just one tire on AWD- tire rack can shave tires to your requested height (to match wear). I've never heard of other places which do that!!

 

[Bubbanbrenda]

Agreed..Will be replacing all 4 tires and getting front end alignment. Also will be having Discount Tire do road force balancing...

I would recommend a 4 wheel alignment for awd. Just my $0.02.

 

[ScottyC]

I remember at tire training for Michelin, the recommendation when you are only replacing two tires is to put the new tires on the rear and the best two on the front irrespective if it is AWD, FWD or RWD...always want your best tires on the rear for proper handling and driving.

 

[tciotti2003]

Are both front tires identical brand & age? Again, good luck!

Yes..thanks

 

[tciotti2003]

Twice on two different cars I've had crazy vibrations from a tire with broken belt. Probably hit bad pot holes.

Tire shop should be able to tell if they try to balance the tires. Might not need to get 4 new ones, we're on our original 2023 tires.

Also if you need to replace just one tire on AWD- tire rack can shave tires to your requested height (to match wear). I've never heard of other places which do that!!

Thanks..Definitely need front end alignment and it's ready for 4 new tires so figured since this is money well spent, if this doesn't rectify, no loss...

 

[TheSEARCH]

When you do get issue solved post what is was for others to know. Thanks.

 

[HeyBales]

I would recommend a 4 wheel alignment for awd. Just my $0.02.

There is no rear alignment on Mav's.

Don't be duped for extra money on something that can't be done.

ETA: actually just passing on what's been stated in several threads - new major parts required to correct rear wheel alignment, due to no actual adjustment points.
Maybe after market cam bolts somewhere will be available at some point.

 

[Vipereatr]

Don't forget the universal joint(s) on the driveline - Have you tried to shake the driveline?

 

[dldjtad]

I have front wheel drive hybrid. 2023. At 38,000 miles, original tires, my front end started shaking on acceleration. It was definitely the CV joints. Dealer replaced them.

 

[pigsareus]

So I've been having a vibration issue that has seemed to be getting progressively worse. Have had my front cv axles checked by 2 different shops and both say they're okay. 1 shop a friend of mine owns and checked them myself as well and all looked and felt tight. no leaks. I then thought it could be a tire or tires or ftont end alignment but I also noticed while driving up our mountain that when I'm going downhill at speed no or very little vibration but as soon as I accelerate or go uphill the vibration worsens..What are your thoughts forum members and Ford themselves

those are the exact symptom of a bad cv axle, I had the same symptoms took it to the dealer and they fixed it for free. Other possibilities are engine mount and damper - read up on one of many previous threads i.e. : (62) Vibration in the front end while accelerating | MaverickTruckClub - 2022+ Ford Maverick Pickup Forum, News, Owners, Discussions

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