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Engine vibrating

Tiny
KVLAR78
  • MEMBER
  • 8 POSTS
I tried the hand brake test and I don't feel any difference. The car shakes the same way while idling in drive with the foot brake applied or not. Also, shaking gets worse when a/c is on
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Tuesday, November 5th, 2019 AT 12:37 PM (Merged)
Tiny
JT2838
  • MEMBER
  • 1 POST
  • 2000 TOYOTA CAMRY
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 202,000 MILES
Hi, I have a question. My friend's car has had this problem for quiite a while. When you accelerate from a standstill and get up to around 20mph the front of the car starts to vibrate and continues to get worst as you accelerate. If you release the accelerator or place the transmission in neutral the vibration stops and it rolls on smooth as a kitten. The vehicle has had a 4 point wheel alignment, new tires installed, balanced and not out of round. The rims are straight. I have replaced the Torque Strap up top and also the Transaxle Mount but the problem still lingers. I am beginning to suspect that the inboard plunge joint or the combination of that and a bad intermediate shaft bearing. What are your thoughts?
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Tuesday, November 5th, 2019 AT 12:37 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
When it starts shaking/vibrating-Do you have a check engine light and when the last time you had a tune-up?

Does it do it when the engine is cold or hot?
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Tuesday, November 5th, 2019 AT 12:37 PM (Merged)
Tiny
CARADIODOC
  • MECHANIC
  • 33,743 POSTS
Hi jt2838. Welcome to the forum. Your suspicions are correct. Worn spots in the inner cv joint housing prevents the rollers from moving freely. When they bind, the shaft can't change length or angle as it rotates so it pushes on the spindle which tugs on the steering linkage.

I can describe a way to inspect the housings, but most people just replace the half shaft. Start with the longest one, usually the passenger side, because it goes through smaller changes so more wear takes place in one tiny spot.

Caradiodoc
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Tuesday, November 5th, 2019 AT 12:37 PM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Hi there also have the A/C idle up valve checked for operation.

Mark (mhpautos)
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Tuesday, November 5th, 2019 AT 12:37 PM (Merged)
Tiny
CARADIODOC
  • MECHANIC
  • 33,743 POSTS
Drive Train Axles Bearings problem
2000 Toyota Camry 4 cyl Front Wheel Drive Automatic 202000 miles

caradiodoc,
To your answer below. Would it be adviceable to have the Wheel Bearing also checked?
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Tuesday, November 5th, 2019 AT 12:37 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
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Could be the idle up solenoid not getting vacuum from the VSV when the compressor engages to compensate for the additional load from AC. Then again it might be entirely a different story. Could be a loose motor mount/s ETC
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Tuesday, November 5th, 2019 AT 12:37 PM (Merged)
Tiny
CARADIODOC
  • MECHANIC
  • 33,743 POSTS
Nope. Bearings typically cause a sound like an airplane engine when they are worn. Besides high mileage, they can be instantly damaged by placing the vehicle's weight on the wheels while the axle nut is loose or not torqued to specs. That will make them noisy too so be sure those nuts are tight before lowering the car off of a jack.

If the car was slid into a curb, the hub can be bent. That's not real common as the wheel will give first, but the symptom will be a shimmy in the steering wheel that does not go away when you let off the gas. Since your shimmy goes away under no load, you can assume the wheel bearings are ok.

Caradiodoc
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Tuesday, November 5th, 2019 AT 12:37 PM (Merged)
Tiny
KVLAR78
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  • 8 POSTS
It vibrates only when thoroughly warmed up. Check engine light does not come on. Don't know when the last tune up was done as I bought it few months ago. Where is the idle up valve and how do I check it myself?
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Tuesday, November 5th, 2019 AT 12:37 PM (Merged)
Tiny
GRAYS
  • MEMBER
  • 4 POSTS
  • 2000 TOYOTA CAMRY
2000 Toyota Camry 4 cyl Front Wheel Drive 138K miles

I've noticed a slight vibration through the accelerator pedal lately. Just bought new tires. Had a fuel induction system cleaning 5K miles ago. Have had oil changed every 5K consistently. I'm the original owner.
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Tuesday, November 5th, 2019 AT 12:37 PM (Merged)
Tiny
MHPAUTOS
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Hi there, you don't always get a light on with a set fault code, so it would be a good idea to get a scan to make sure.

Mark (mhpautos)
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Tuesday, November 5th, 2019 AT 12:38 PM (Merged)
Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
When does the vibe happen? All speeds and while accelerating?
Warm? Cold? Damp?
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Tuesday, November 5th, 2019 AT 12:38 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
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Disregard the idle up air valve and clean out the mass airflow sensor and the idle air control valve and test the throttle position sensor.
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Tuesday, November 5th, 2019 AT 12:38 PM (Merged)
Tiny
GRAYS
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All speeds, but vibation doesn't get better or worse. Just a slight constant vibration. Warm or cold. Hasn't neen damp yet.
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Tuesday, November 5th, 2019 AT 12:38 PM (Merged)
Tiny
SERVICE WRITER
  • MECHANIC
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I'm trying to decipher if this is a performance issue or out of balance type of situation.

If this is happening at idle then we need to look at performance.

IF this is only when moving, then is is not likley a performance issue, such as an axle.

Was the problem present before the work listed was done? Or after?
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Tuesday, November 5th, 2019 AT 12:38 PM (Merged)
Tiny
GRAYS
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It's present at idle and stays the same while the engine is running. At last oil change 3k miles ago, the service team checked axle and I'm assuming muffler, etc. This just started about 500 miles ago or 5 days. The check engine light hasn't come on.
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Tuesday, November 5th, 2019 AT 12:38 PM (Merged)
Tiny
SERVICE WRITER
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IF this is happening at idle then we know it isn't a balance issue, such as axle, wheel etc because you aren't moving.

Be the description this sounds like a misfire. IF this is true the performance should not be as good as it was. IS the performance poorer? IF so, were the codes checked in the computer?

IF not,
Is the vibration accompanied with a noise? Such as a rattle. A tinny sounding rattle in particular?
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Tuesday, November 5th, 2019 AT 12:38 PM (Merged)
Tiny
GRAYS
  • MEMBER
  • 4 POSTS
I don't hear a rattle. I'm due for new spark plugs in 3K miles. The performance seems OK. What is a misfire?
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Tuesday, November 5th, 2019 AT 12:38 PM (Merged)
Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Take a look at this page:
https://www.2carpros.com/first_things/engine_vibration_at_idle.htm

A misfire is when a cylinder does not fire as it is supposed to.
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Tuesday, November 5th, 2019 AT 12:38 PM (Merged)
Tiny
REGO RONALD
  • MEMBER
  • 4 POSTS
  • 2003 TOYOTA CAMRY
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 252,000 MILES
Camry 2003 2az-fe, dash board vibration and making noise, slightly engine vibration on 2000 rpm, mounting checked and its ok, engine overhaulding has been done, excel & drive shaft checked, need to know throttle body is functioning correclty with choke, oxygene sensors etc
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Tuesday, November 5th, 2019 AT 12:38 PM (Merged)

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