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Vibration In Drive When Stopped

Strong vibration when an automatic car is stopped in drive, which eases in neutral or park, usually comes from worn engine or gearbox mounts, a low idle or a misfire.

Normal risk

Usually not urgent. Have it checked if it gets worse or comes with a clunk or warning light.

Short answer · Why does my car shake when stopped in drive?

In drive, the gearbox is trying to move the car while the brakes hold it, which puts a twisting load on the engine. Healthy mounts absorb this. Worn mounts or a rough-running engine let the vibration reach the cabin. If it stops when you shift into neutral, the load is the trigger.

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Safe checks you can do

  1. Compare drive and neutralA big difference points to mounts or idle under load.
  2. Watch the engineWith the bonnet open and a helper holding the brakes, see if the engine rocks a lot when shifting.Keep everyone away from the front of the car while doing this.
  3. Check the idle speedVery low idle in drive makes it worse.

Questions that narrow it down

  1. Is there a clunk when shifting?Mounts are likely.
  2. Is the engine light on?Misfire or idle codes.
  3. Is it worse with the AC on?More load at idle.

Possible causes

Listed without ranking. Use the questions above to see which ones fit your car.

  1. Worn engine or gearbox mountsThe most common cause.
  2. Low idle in gearEngine labours under load.
  3. MisfireRough running.
  4. Torque converter issueLess common; may shudder.

Questions about Vibration In Drive When Stopped

How long do engine mounts last?

It varies widely; heat, oil leaks and age harden the rubber.

Are hydraulic mounts different?

Yes. Fluid-filled mounts can leak and then pass more vibration.