Question about 1999 Chevrolet Blazer
HOW DO YOU FIT THIS PROBLEM IN A 1999 CHEVY BLAZER
My 4by4 doesn't engage,both lights 4hi and 4low blink for few seconds and then goes back to 2wd and that's it, won't engage 4wd...what should I do?
Posted on Jan 17, 2009
I had the same exact problem with my blazer, what you described seems like some of the symptoms of your 4 wheel drive eventually not working. soo here's my best shot
2 common problems that cause this are the vacuum switch on the transfer case and the vacuum actuator mounted under the battery tray. When the switch on the transfer case goes bad it pulls fluid out of the transfer case and pumps it into the actuator and destroys it. The switch only costs about $15 and are usually stocked at major auto parts stores. The actuator ranges from about $50 to $120 and most of the time need to be ordered. If you reach under the battery tray with the 4wd engaged and follow the cable you will feel the end of the actuator, make sure that it is pulling back. If not either the switch or actuator or both are bad. Hope this helps.
Posted on Jan 11, 2009
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