Question about 2001 Chevrolet Blazer

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4Wheel and allwheel drive went out...

On our Chevy Trail Blazer 2005 the light shows it is in but it does not engage. My husband is going to check the fuse, any other ideas?

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Look for a leaking or broken vacuum line on or near the front differential possibly under the battery you should find a control unit to engage or disengage 4wd

Posted on Jan 23, 2009

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I have a 2004 Chevy trail blazer and the a/c max button will push in but the light doesn't come on and it still blows hot air


if the light doesnt come on the compressor is not engaging the clutch. possible wiring problem. check a/c clutch relay. may be faulty compressor or the system may be completely empty of refrigerant

Aug 10, 2012 | 2004 Chevrolet TrailBlazer

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I have a 98 chevy blazer with the 4wheel stuck in high


You will see the motor move when you engage the switch on the dash. The motor is on the bottom of the transfer case behind the transmission. Most likely it's the actuator for the hub lockouts under the battery tray. They wear out after a few years. It could also be the cable that locks the hubs that goes from the actuator to the hub lock in the front differential. Also, check your front differential oil level, if it's not getting oil it won't disengage. Check to make sure the hoses between the transfer case and the actuator are not leaking. If that isn't the case there is a air activated switch ont he top of the transfer case where the air hoses plug into, it has three hoses that go to it. That switch screws in but you have to lower the transmission cross member to get to it. It could also be bad, it costs about twelve dollars. Good luck.

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My 1997 chevy blazer does not have a 4wheel drive switch


If there is no switch present then it is full time 4X4, it does not disengage, good for travel bad for fuel mileage.

Sep 08, 2009 | 1997 Chevrolet Blazer

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No 4 wheel drive, no dash lights, no tail lights!


check your relays first (after the fuses) and the vacuum lines if you have those for the 4 wheel drive. Hope that helps

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Where is the pcv valve on the 2005 chevy trail blazer


Dear hispeed3,

If you haven't bought the part yet and are planning on replacing it ...i'd go to the auto parts store and ask them for the part location. They are usually glad to do this. I know Advanced Auto Parts does this for me.

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Feb 08, 2009 | 2005 Chevrolet TrailBlazer

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2005 CHEVY +TRAIL BLAZER ABS AND BRAKE LIGHTS ON


if chains caused problem and you have driven with them off light would have gone out once it saw everything working properly. look at sensors might have pulled a wire loose with chains. the abs system runs a self test everytime you start vehicle if it sees a history code from last time it will leave light on and look to see if that problem still exists and 99% of the time it will cut light off . but need to have scanned and checked out

Dec 29, 2008 | 2005 Chevrolet TrailBlazer

1 Answer

2005 CHEVY +TRAIL BLAZER ABS AND BRAKE LIGHTS ON


When the ABS light is on when driving there is a problem in the anti lock brake system and you will need to have it tested to find out what the problem is. As long as the light is on the ABS has been shut off by the computer until it is repaired. There could be problems with one of the wheel speed sensors, wiring or the ABS pump. On some vehicles the red brake light will come on too.

Dec 14, 2008 | 2002 Chevrolet TrailBlazer

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