Car Shudders When Stopped

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Old 10 Jul 2006, 03:51 pm   #1 (permalink)
Steve
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Default Car Shudders When Stopped

I have a '91 Camry DX 4-cylinder that drives great (especially now with
all the things I've had to fix this past year). The problem is,
whenever I come to a stop, the whole car shudders. It's so loud, people
in other cars can hear it. When I put it in park, it idles smoothly;
the only time it shudders is when I'm at a stop while the car is in
drive. Can anyone explain what would cause this and possible solutions?

Thanks.

Steve
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Old 10 Jul 2006, 05:48 pm   #2 (permalink)
jg
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Default Re: Car Shudders When Stopped


"Steve" <racquetballer@hotmail.com> wrote in message
news:KcqdnZh26cMlIC_ZnZ2dnUVZ_tKdnZ2d@comcast.com. ..
>I have a '91 Camry DX 4-cylinder that drives great (especially now with all
>the things I've had to fix this past year). The problem is, whenever I
>come to a stop, the whole car shudders. It's so loud, people in other cars
>can hear it. When I put it in park, it idles smoothly; the only time it
>shudders is when I'm at a stop while the car is in drive. Can anyone
>explain what would cause this and possible solutions?
>

Not trying to be smart, but doesn't the person who fixed all the things have
a clue? Did it start when one of the things was fixed?


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Old 10 Jul 2006, 07:19 pm   #3 (permalink)
Tony Marsillo
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Default Re: Car Shudders When Stopped

Could it be a motor mount?


"Steve" <racquetballer@hotmail.com> wrote in message
news:KcqdnZh26cMlIC_ZnZ2dnUVZ_tKdnZ2d@comcast.com. ..
>I have a '91 Camry DX 4-cylinder that drives great (especially now with all
>the things I've had to fix this past year). The problem is, whenever I
>come to a stop, the whole car shudders. It's so loud, people in other cars
>can hear it. When I put it in park, it idles smoothly; the only time it
>shudders is when I'm at a stop while the car is in drive. Can anyone
>explain what would cause this and possible solutions?
>
> Thanks.
>
> Steve



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Old 11 Jul 2006, 01:42 am   #4 (permalink)
m Ransley
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Default Re: Car Shudders When Stopped

A warped brake rotor

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Old 11 Jul 2006, 07:53 am   #5 (permalink)
m Ransley
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Default Re: Car Shudders When Stopped

I thought you meant when slowing down it shudders. It could be a motor
mount, but what you describe indicates you need a tune up, you dont fire
well at idle, it could also be the coil is weak, it is a common 91 4 cil
issue. Even bad gas does that for my 91 4. But keeping it tuned I avoid
the problem. Are plugs, wires- cap old. Pull plugs to read their
condition, it could even be a weak cilinder.

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Old 12 Jul 2006, 01:00 pm   #6 (permalink)
Steve
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Default Re: Car Shudders When Stopped




> Not trying to be smart, but doesn't the person who fixed all the things have
> a clue? Did it start when one of the things was fixed?


Well, I'm the one who fixed most of them (just replacing some things),
and I obviously don't have a clue about it.

Steve
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Old 12 Jul 2006, 01:06 pm   #7 (permalink)
Steve
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Default Re: Car Shudders When Stopped



m Ransley wrote:
> A warped brake rotor
>

Wouldn't I also notice the shuddering when I was slowing down? But I
had the brakes replaced 1 1/2 years ago, so they would have had to have
warped since then, and this was going on long before that.

Steve
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Old 12 Jul 2006, 01:06 pm   #8 (permalink)
Steve
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Default Re: Car Shudders When Stopped



m Ransley wrote:
> I thought you meant when slowing down it shudders. It could be a motor
> mount, but what you describe indicates you need a tune up, you dont fire
> well at idle, it could also be the coil is weak, it is a common 91 4 cil


Even though it runs smoothly in park?

> issue. Even bad gas does that for my 91 4.


Nah, I use good stuff, not the cheapest.

But keeping it tuned I avoid
> the problem. Are plugs, wires- cap old. Pull plugs to read their
> condition, it could even be a weak cilinder.
>

I just replaced the plugs, wires, cap, fuel filter, MAF sensor, and
thermostat within the past few months.

Steve
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Old 12 Jul 2006, 03:55 pm   #9 (permalink)
jg
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Default Re: Car Shudders When Stopped


"Steve" <racquetballer@hotmail.com> wrote in message
news:L5GdnZd77OhepSjZnZ2dnUVZ_ridnZ2d@comcast.com. ..
>
>
>
>> Not trying to be smart, but doesn't the person who fixed all the things
>> have a clue? Did it start when one of the things was fixed?

>
> Well, I'm the one who fixed most of them (just replacing some things), and
> I obviously don't have a clue about it.
>

Is it noise or the car shaking that others notice? My '91 has a high
frequency shudder at idle in gear which I assume is normal, at least I can't
get it any better. If it had a loose exhaust or broken engine mount etc, it
would probably rattle like mad.
I have had bad spark plugs out of the box before - they have always been
Bosch.


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Old 15 Jul 2006, 11:20 am   #10 (permalink)
edokamoto@netzero.net
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Default Re: Car Shudders When Stopped

Well usually when I hear it is okay in park but idles badly in drive
because in drive there is more of a load on the engine, so if the idle
speed gets too low then your engine will idle badly, I would try to
see if when the car is idling in drive and it runs bad just crack open
the throttle alittle and see if it smooths out, then maybe clean out
the throttle bore with carburetor cleaner by removing the rubber intake
manifold boot and working the throttle plate and spraying cleaner
around the plate and the hole right before the throttle plate. Also
try to run engine (in park with handbrake set) and try to spray into
bore in short 1 second bursts, you might have to race engine to about
2000 rpm to keep it from dying. This will only work with a MAP sensor
not a Maf sensor since removing rubber boot disables MAF sensor.

Steve wrote:
> I have a '91 Camry DX 4-cylinder that drives great (especially now with
> all the things I've had to fix this past year). The problem is,
> whenever I come to a stop, the whole car shudders. It's so loud, people
> in other cars can hear it. When I put it in park, it idles smoothly;
> the only time it shudders is when I'm at a stop while the car is in
> drive. Can anyone explain what would cause this and possible solutions?
>
> Thanks.
>
> Steve


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