1989 Toyota Camry Car is vibrating badly

JOHN VOIGT

MEMBER
1989 TOYOTA CAMRY

Shakes or Wobbles problem
1989 Toyota Camry 4 cyl Front Wheel Drive Automatic 141k miles

My recently purchasded 1989 Toyota 4cyl. Camry is vibrating badly while stopped in drive, when the brake pedal is depressed. No noticable vibration if I put the car in neutral or park. The vibration only occurs when I put the car in drive with the brake pedal depressed. Car runs smooth as silk otherwise. Car has 141,000 on the speedo.I took it to the brake shop and they said it might be the brake booster but could not confirm. They said it could be a number of things, possibly a vaccum leak. The car was sitting for a year and started immediatly after a battery charge

3 Replies

RACEFAN966

MECHANIC
5,029 POSTS

OK it sounds like your car is idling rough. If you would like to eleminate the brake booster being the problem then disconnect the booster vacuum line and plug it and set the parking brake and have your foot on the brake pedal and put it in gear if there is not change then the booster is not the problem. Now connect the vacuum line back up and do a tune up on you car. It has sat for a long time so I would change plugs, cap, rotor, wires. Pcv valve, fuel filter and check the air filter. Even if this don't fix the problem after a year of sitting it most definetly needs it. Also change the oil and filter if you haven't already. Let me know how it goes thanks and Merry Christmas.

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Monday, December 22nd, 2008 AT 5:50 PM

JOHN VOIGT

MEMBER
1 POST

I'v e done everything you told me and now the idle seems to be a bit fast. Is there an adj. I can make?

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Friday, December 26th, 2008 AT 11:31 AM

RACEFAN966

MECHANIC
5,029 POSTS

So the rough idle speed is gone now it is a bit high. First you sould check the timing and make sure it is at 10 btdc. Idle speed should be 650 rpm. To set it you need to remove the rubber plug on top of the throttle body and adjust till idle speed it correct. Here is a pic of it so you can see what I am talking about. Let me if there is anything else.