Question about 2000 Chevrolet Blazer
I have a 95 Blazer with a 4.3l and push button controls for 4 wheel drive. The problem started last year. It would only go into 4hi or 4lo if I was stopped and in neutral. Now this winter even stopped and in neutral doesn't work. The lights flash then it returns to 2hi. I've replaced the vacuum switch on the transfer case but that did nothing. I can hear the encoder motor run and the tccm click. I checked the vacuum accuator and it pulls in sometimes but not everytime. I seem to have good vacuum at the actuator. I'm lost. Bob
Maybe changing the actuator is the next step. it may pull but not hard enough to engage the front axle
Posted on Jan 20, 2009
Ok I just got my 4x4 working again. I got it to work by taking out the 4wd, brake, and I believe the ctsy fuses for about one minute each and put them back in and now my 4x4 works like it used to. If that works for anyone else great, but if not then good luck finding a better solution to the 4x4 problem.
Posted on Feb 03, 2009
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Posted on Jan 02, 2017
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