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could be u-joints or transfer case. gm Jim

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โˆ™ 2011-09-13 22:05:36
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Q: Why 1999 Blazer 4wd vibrating starts at about 20mph get worse to 50mph then quiets down picks up again around 70mph Had tires replaced Eng speed does not effect vibration but worse when accelerating?
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Related questions

What would cause a 2000 Blazer to vibrate when you accelerate above 45mph and then stop vibrating when you stop accelerating?

Check the universal joints and balance of the driveshaft. When you are accelerating pressure is applied to these parts and if they are worn or out of balance or dented they will cause a vibration that will stop when you let off the gas.

When should you have your timing belt replaced on your 1999 Chevy blazer?

Your 1999 Chevy blazer doesn't have a timing belt.

Can you clean the oxygen sensors on a Chevy blazer?

No, they will need replaced if defective.

Where is the Crank sensor on 1999 blazer 4.3?

Next to the vibration damper, passenger side. It is best accessed from underneath.

Does the head gasket a on 1999 Chevrolet Blazer need to be replaced as a maintenance item?


How do you change the PCV valve on 2000 Blazer?

The PCV valve for a 2000 Blazer is mounted in the top of the valve cover. The valve plugs in and easily replaced.

1988 blazer tail gate power window will close with with key in tail gate but will not open window?

The 1988 Chevrolet Blazer tailgate window motor might be bad and need to be replaced. The window motor fuse might be blown and needs to be replaced.

Replaced fuel pump on 1990 Chevy blazer and still will not start?

does that year have carb or tb?

How do you fix a loose windshield wiper on a 2002 Chevy Blazer?

If a windshield wipe arm is loose on a 2002 Chevrolet Blazer, it likely needs to be replaced. It probably has a broken connection.

What would cause a 95 blazer to shake when execrating?

There are several things that can cause your 1995 Chevrolet Blazer to shake when accelerating. Bad spark plugs and spark plug wires can cause the vehicle to shake. Tuning up the engine may eliminate the problem.

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When I replaced a fuel pump in my 97 blazer it still won't start What could be the problem?

Dead starter?

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Need more information as to what you need as well as what is a "barren".....

When did the first Chevy Tahoe come out?

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Where is the fuse or relay for power windows in 2002 Chevy blazer?

The fuse or relay for power windows on a 2002 Chevy Blazer is located under the dash near the emergency brake. It can be readily replaced by pulling it out.

We replace the temperature gauge in my Chevy blazer what should it read for it to not be over heating?

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Why does your 1994 S-10 Blazer keep blowing transmission seals?

Could be several reasons and pretty much the same for any vehicle: -Improper replacement -Bad forward universal joint causing vibration at transmission tail -Unbalanced driveshaft causing vibration at transmission tail -Bad transmission mount Universal joints usually "clunk" when bad Unbalanced driveshafts will cause a vibration when driving - the faster the speed the more the vibration

Where is the crankshaft position sensor on a 1998 Chevy Blazer 4.3 liter engine?

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probably the blower motor resistor

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