Essentially, I'm surprised it engaged as if I remember appropriately, the vacuum change communicates Along with the TCCM and customarily leads to the sprint switches to flash if no interaction is acquired. It has been a while due to the fact I worked on this car or truck although (and offered it in ’07), so I may be mistaken.
Given that Oct is prime fishing time on NC Outer Banking institutions and 4wd is essential, am i able to manually set car or truck in four hi by pulling the cable that goes into actuator? for a temporary resolve. Back diff seems to lock but is difficult to inform all-around in this article, also flat and as well dry.
Josh suggests: December 21, 2007 at five:14 pm Im publishing this because not too long ago i have labored on two s10 blazers with the very same problem and everyone stored telling me to examine vacuum and and the acuator. Very first off each of these the 4wd light-weight would light-weight like it absolutely was Doing work even so the entrance axle was not participating i checked the acuator and it was Performing so i jacked the motor vehicle up and tried to manualy engage the axle without having luck. So i made a decision to pull the axle tube from the passenger facet and Look at the locking hub.
Guy, if it’s just a button assembly, don’t worry — there aren't any electronics in the button assembly — they are just that — buttons (switches). That means, it shouldn’t Price tag all of that Significantly. The costliest element will be the sellers labour rate.
That’s some pretty good data to get. Remember to do allow me to know how you make out While using the encoder motor substitution.
Hmmm… my first believed is that it is a wiring problem. Why? Just because you can confirm that the procedure performs by putting it into 4Lo. If you can find the process into 4Lo, that tells me the TCCM is Doing work (or a minimum of the 4Lo element is), the encoder motor is Doing the job, and also the vacuum is working (the front hub is participating — the vacuum swap and diaphram are Performing). I’d Examine the wires are classified as the TCCM initially, then quite possibly the encoder motor upcoming.
Keep the eyes on eBay — I just observed 1 go for $135 that a man purchased new 6 months ago and it is scrapping the truck. Yow will discover them with the Chevy dealer, but These are suitable throughout the $five hundred mark — ouch!
I didn’t Imagine everything of it other than that my floor heat was probably going to blow in my experience. The fix that I executed within the parking zone in the community car parts store took five minutes along with the vacuum coupler tube only Value about 75 cents. Many thanks once more for preserving me a butt load of cash!
Besides that, it’s feasible that you choose to acquired a bum encoder from the sections retailer, but how possible could it be really? Consider what I have mentioned over and publish again below if factors however aren’t Functioning as they need to and we’ll see what else we could consider then.
When it stopped Doing the job, I went looking… initially at the rear of the glove box, but I could clearly see that the only real relay (the things which make that “click – simply click” sound) there was for that signals (turning over the hazard lights verified this when you can Evidently hear the relay, not forgetting feel the click if you place your hand on it).
Now, There's a sensor within the front, visit their website right hub to detect when it really is engaged — I have not experimented with this, so I don’t know one hundred% obviously, but In case the entrance, appropriate hub is not participating, the process should detect this instead of enter 4WD.
I would suggest acquiring it checked out by a tranny store. The reason I counsel This is often, whether it is the trouble I describe, the gears are literally rubbing the aspect with the transfer scenario — and they're going to have on as a result of, successfully causing a whole lot additional harm than in which you’re at now (ie. finish alternative from the TC).
This might or could not be related to your problem, but another thing I am able to inform you is for getting it checked out ASAP.
Very first, I apologize for your delay in responding for your problem. I haven't any justification — I’ve been neglecting my site just lately.