I have a 89 chevy 2500 and the 4x4 wont engage. Im a mechanic myself and have installed a new front diff and transfer case actuator, however all it does is the transfer case lights flash as i drive in 4x4 hi or low. And the light flashs slow when puting around town or fast wen going 50. Im stumped. Maybe wiring short? Thanks Josh
SOURCE: rear diff noise
We have to be sure where the noise is coming from, a advise you or ask someone to do the following tests:
My own assesment from what you have just told us, is I would also check on your clutch system, because whiney noise only exist when you are backing up the car. I hope you would pin point which part is causing the whiney noise to save you all the headache of having it repaired.
Comment after you determine where it is coming from.
Thanks for dropping by fixya
SOURCE: my 2000 blazer won,t select 4wd hi/low or auto
there is a vacuum solonoid on the firewall in the middle with 2 vac lines and a 2 wire plug
thats ur problem
push the button and smack it with the handle of a screwdriver should work
SOURCE: S-10 Blazer 4wd problem
www.amazon.com/Chiltons-Repair-Manual.../0801981425
Hope this helps you
SOURCE: I have a 1990 K1500 4X4 Chevy pickup that wont
I had the same problem on my 90 K1500, it was the 4 wheel drive actuator unit itself. Bout it at the local parts store for 30 bucks and installed it in 10 minutes or less - and vavoom! 4 X 4 back in business.
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