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tarus420

Feb 20, 2009 09:05 PM

4WD to 2WD engaging problem

I have a 1998 S10 Blazer that is having a problem shifting back into 2WD from 4HI. It takes about 30 to 45 seconds to engage back into 2WD, but when it does it makes a thud sound. The faster I'm traveling the louder the thud. At 30 miles an hour it sounds like I hit a pot hole or a speed bump. Any suggestions?

lastcoupe

Feb 20, 2009 09:31 PM

RE: 4WD to 2WD engaging problem

You have either different sized tires front to rear, or otherwise. Or a severely worn tire or low tire pressure...

tarus420

Feb 20, 2009 10:27 PM

RE: 4WD to 2WD engaging problem

I do have a different size tire on the drivers rear. A couple of months ago I had a flat and put the spare on which is 235/70R15. The rest of the tires are 235/75R15's. The blazer is in need of new tires anyway so tomorrow I will try this. This makes sense.Thank you for the input.

tarus420

Feb 21, 2009 03:05 PM

RE: 4WD to 2WD engaging problem

lastcoupe

I put some new tires on today and that's what the problem was. Thank you

lastcoupe

Feb 21, 2009 03:17 PM

RE: 4WD to 2WD engaging problem

No problem guy, glad to help!

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