2003 Toyota Camry Low Rumbling Sound/Vibration

Tiny
CPYE
  • MEMBER
  • 2003 TOYOTA CAMRY
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 39,500 MILES
When I'm stopped at a red light, there is a very low rumbling, so low, that it's hard to tell if I hear it's a noise, a vibration or both. The vibration I feel is in the brake pedal.

My mechanic added some 44K but that didn't solve it.

Thanks.
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Monday, June 23rd, 2008 AT 10:56 AM

7 Replies

Tiny
KHLOW2008
  • EXPERT
Hi cpye,

We need to understand the problem before we can assist.

Is the vibration or noise present only with the brake pedal depressed?

With gear in Park, does it happen?

With park brakes on, does it happen?

Could it be some relays flicking?
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Monday, June 23rd, 2008 AT 12:14 PM
Tiny
CPYE
  • MEMBER
Hi,

I tried it out in my driveway where I could concentarte just on the noise. Here's what I found.

1. It doesn't start until I drive around the block to warm it up a little.
2. It's definately more of a vibration than a noise and I feel it both through the wheel and the brake pedal.
3. I feel it in Drive, whether I use the brake pedal, the parking brake, or both.
4. I don't feel it Neutral or Park, whether I use the brake pedal, the parking brake, or both.
5. I don't now what the relay is but there are no lights flickering while it happens.
6. I also checked it with the fan and A/C on and off, and both are the same.

Thanks
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Monday, June 23rd, 2008 AT 1:06 PM
Tiny
KHLOW2008
  • EXPERT
Hi cpye,

After warming up means the engine rpm is lower as cold engines will have the cold start valves working making the rpm higher.

What about in Reverse? Is it worse?

Is any jerk felt when shifting into Drive or Reverse?

I believe it is the engine mounts that requires attention.
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Tuesday, June 24th, 2008 AT 8:38 AM
Tiny
CPYE
  • MEMBER
Hi,

There isn't any jerk when shifting into either Drive or Reverse. Also, the vibration is the same in either Drive or Reverse.

A post on this website, about an older Camry, suggested it could be either the EGR or the Idle Air Control. Is that possible?

If it is, should I have my mechanic look into the motor mounts first or the EGR and IAC?

Thanks
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Tuesday, June 24th, 2008 AT 9:08 AM
Tiny
KHLOW2008
  • EXPERT
Hi cpye,

If the idling speed is below 700 rpm when gears are engaged, then you need to check the IAC and throttle body first.

Should not be the EGR, rpm too low for it to be in operation.
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Wednesday, June 25th, 2008 AT 8:20 AM
Tiny
CPYE
  • MEMBER
Thank You.
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Wednesday, June 25th, 2008 AT 8:50 AM
Tiny
KHLOW2008
  • EXPERT
Hi cpye,

You are welcomed.

Hope my suggestions can help you get the problem solved.

Good luck.
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Thursday, June 26th, 2008 AT 8:55 AM

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