- Sep 2, 2012
- 468
Number 2 of a series of questions
I've seen many threads describing the stepper motor issues on these vehicles, and the behavior that typically distinguishes the stepper as the culprit from other possiblilities. I noticed from the stepper motor replacement article here that there is now a 3rd revision to these. I don't recall having seen any mention of that on the OS.
I have determined my oil pressure stepper is bad (doesn't always zero, sometimes pegs at upper limit), and since I can hear others ticking during operation I ordered all 6 plus 10 free guage cluster lights off an Ebay seller for $31.25 this morning with lifetime warranty.
My particular Envoy was imported to Canada from MI in '07, and from discussion with local dealer I believe the entire guage cluster would have been changed at that time (IE not just a faceplate). I had thought that would mean it had the re-designed rev 2 x25-168 steppers, and didn't really expect to need to replace mine {seems I'm wrong though}
Q2: Does anybody know the revison history of these motors to know what was changed from the original X-C5-168 to the X-25-168 to the now apparently lifetime warranted X-27-168?
Q2a: Although none of my lights is out, should I just change them all anyway as a preventitive measure?
Q2b: Is there anything else I should consider doing while I have the cluster out? Mods? Upgrades?
Thx
WarGawd
![Smile :smile: :smile:](/forums/smilies/smile.gif)
I've seen many threads describing the stepper motor issues on these vehicles, and the behavior that typically distinguishes the stepper as the culprit from other possiblilities. I noticed from the stepper motor replacement article here that there is now a 3rd revision to these. I don't recall having seen any mention of that on the OS.
I have determined my oil pressure stepper is bad (doesn't always zero, sometimes pegs at upper limit), and since I can hear others ticking during operation I ordered all 6 plus 10 free guage cluster lights off an Ebay seller for $31.25 this morning with lifetime warranty.
My particular Envoy was imported to Canada from MI in '07, and from discussion with local dealer I believe the entire guage cluster would have been changed at that time (IE not just a faceplate). I had thought that would mean it had the re-designed rev 2 x25-168 steppers, and didn't really expect to need to replace mine {seems I'm wrong though}
Q2: Does anybody know the revison history of these motors to know what was changed from the original X-C5-168 to the X-25-168 to the now apparently lifetime warranted X-27-168?
Q2a: Although none of my lights is out, should I just change them all anyway as a preventitive measure?
Q2b: Is there anything else I should consider doing while I have the cluster out? Mods? Upgrades?
Thx
WarGawd