Skip the auto shop - Our mechanics make house calls

Q: Pulling during deceleration

asked by on

When I drive my newly built car , just finished a 4 year restore. 4 wheel disk brakes new everything mechanically it pulls to the right slightly when I accelerate and pulls hard to the left when I decelerate. Drives fine if I take it easy

My car has 100 miles.
My car has an automatic transmission.

A: Hello. I would check for uniformity of tire...

Hello. I would check for uniformity of tire pressure in all four tires. Check for brake drag and failure to release at each wheel. A likely cause is an alignment or frame issue. Check that camber is within FSM specification assuming you have not modified the suspension. If you have modified the suspension, you will have to experiment with different settings if the pull is objectionable to you. You might also have excessive toe out. If you modified the wheels (e.g. are using a different set back) that can aggravate alignment issues and cause handling problems. The best thing to do if you have not modified the suspension is set camber and toe to factory spec and check thrust angle. Make sure thrust angle is zero relative to track of rear wheels. You can use track flags and optical toe gauges (AMMCO for instance) to check thrust angle yourself on the garage floor. If you would like some help having this checked, a certified mechanic, like one from YourMechanic, can come to your home or office to diagnose the pulling issue and let you know what needs repair.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Just bought a used Forester that started rattling when I'm not accelerating and the wheel is straight. Any ideas on what it could be?

Hey there. The most common source of rattles on Subaru's are the exhaust heat shields. They can rattle under all sorts of random circumstances. Whenever you turn, accelerate, let off the gas or brake, the motor experiences torque that is...

Q: Blower motor not blowing air

Hello, thank you for writing in. You have to replace the resistor because it was likely the cause of the melting wire. You have to replace that wire as well. Often replacement wires are not the same color. As long...

Q: AC turned off due too high temp level

Running hot can be caused by a number of cooling system issues. If the thermostat is not opening properly, the coolant will not circulate through the engine to the radiator to be cooled. Also, in rare instances, the water pump...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...