The encoder motor may be bad. Anyway, if even worse relates to worst, you'll be able to unscrew the encoder module and manually shift the transfer case into any manner you would like. Regretably, I'm able to’t tell you which way is which — you’ll really have to determine that out with demo and mistake! Don’t be concerned, it is possible to’t hurt anything at all — you’ll both be in two wheel travel, or on the list of 4 wheel ranges. If it’s not two wheel, consider all over again right until it truly is! (There will be steel “tabâ€, for absence of better words and phrases to explain it, sticking out on the transfer scenario — place a wrench on it and it ought to go with negligible hard work. In no way Power Just about anything! Just take it for any travel and see what you’re in. Hopefully, you’ll get it on the initial test!
That’s some pretty good information to get. Please do allow me to know the way you make out With all the encoder motor substitute.
Indeed, right after replacing the TC or even the encoder, I'd reset the method by disconnecting the battery for 1/2 hour after which you can cycle the ignition from on to off 3 times.
Many thanks on your enter, it was an incredible position to start out. I hope this may well have the capacity to support any Other folks with very similar predicaments.
Thanks for the update — that’s what we choose to listen to! I’m glad to happen to be in a position to assistance maintain several of Individuals greenbacks inside your wallet — In particular at Xmas! Best Regards;
DISCLAIMER: Please Notice that I have mentioned numerous times that I have not analyzed any of what I have mentioned listed here — I am simply just contemplating the challenge logically whilst looking at the method schematics. TEST ALL WIRES ahead of implementing electric power to them.
Yep, you either have a negative TCCM, terrible encoder motor, damaged vacuum lines, negative actuator or a problem together with your transfer circumstance — all of which has been coated inside this thread.
Essentially, it seems like the method is checking the neutral swap and will only actuate in neutral. 4Lo is designed to work using this method, but 4Hi really should switch on the fly.
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I've Chevy 2001 Blazer. The condition I had is that I am able to’t switch on the 4Hi. So I went to dealership. The fix costed me $900 to replace the TCCM.
Your issue Seems identical to ten Other people over you — in the event you haven’t observed the answer in what I have posted To date I, regrettably, will not be capable that will help you and advise taking your automobile to your mechanic.
I actually sat down to perform a little Focus on the site yesterday, in conjunction with updating my backup push — that’s when the problems begun. Anyway, in advance of I transform this article right into a rant… I provide the schematics sitting correct in front of me, prepared to be scanned once I am able to get this machine restored.
Check out the schematic “front axel swap & pcm.jpg†— and after that have another look at the wires within the TCCM (Transfer Circumstance Control Module), Situated beneath the passengers kick panel.
Current 12/12/07 – I just wished to increase to this put up the TCCM has two relays inside that Command the particular switching of the encoder motor — you that may be what you hear “clicking†if you consider to have interaction the 4WD program.