How to replace your stepper motor - Page 5 - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > The 02-09 "How-To" and DIY Section

The 02-09 "How-To" and DIY Section Threads on Do-It-Yourself and How-To goes here.

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  #41  
Old 04-09-2009, 09:56 PM
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Installation of two motors went smooth, besides an oversight on my part. I marked where the needles came to rest instead of where they stop when light pressure is applied! In the end, all of my gauges were not calibrated correctly.

I was able to get the speedo close using GPS, and I've tried to adjust the remaining based on normal operating position. I just don't know how to calibrate the fuel gauge.
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  #42  
Old 04-09-2009, 09:58 PM
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Quote:
Originally Posted by zooy View Post
Installation of two motors went smooth, besides an oversight on my part. I marked where the needles came to rest instead of where they stop when light pressure is applied! In the end, all of my gauges were not calibrated correctly.

I was able to get the speedo close using GPS, and I've tried to adjust the remaining based on normal operating position. I just don't know how to calibrate the fuel gauge.
What I was going to do was go fill it up and see where it rests. Mine is not quite on the full mark so I was going to move it to the right about a half notch. A full tank is the only way I can suggest.
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  #43  
Old 04-13-2009, 11:08 PM
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Why isent this an article yet!!! Just ordered my motor.
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  #44  
Old 04-18-2009, 05:34 PM
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Thanks for the excellent write up. I just replaced the motors on my Oil Pressure and Speedometer. Definitely an easy job. It cost me $20 for the stepper motors and about 2 hours of time.

This was MUCH easier than replacing the bulbs in the radio.
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  #45  
Old 04-18-2009, 06:08 PM
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I made this a sticky so its readily accessible to people who have this problem
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  #46  
Old 04-19-2009, 12:07 AM
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Awesome!!!
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  #47  
Old 04-21-2009, 11:51 PM
its_sak its_sak is offline
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Question Great thread

I was gonna attempt replacing the speedometer stepper motor this weekend, i just wanted to know....is it vital to remove all of the instrument needles, or just the motor that you're going to replace?
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  #48  
Old 04-22-2009, 07:51 AM
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Quote:
Originally Posted by its_sak View Post
I was gonna attempt replacing the speedometer stepper motor this weekend, i just wanted to know....is it vital to remove all of the instrument needles, or just the motor that you're going to replace?
IIRC, you have to remove them all to get to the motors behind the cluster face.
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  #49  
Old 04-22-2009, 08:55 AM
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Quote:
Originally Posted by its_sak View Post
I was gonna attempt replacing the speedometer stepper motor this weekend, i just wanted to know....is it vital to remove all of the instrument needles, or just the motor that you're going to replace?
Yes you must pull all the needles to replace any stepper motor. The instructions here are right on. When I reinstalled my needles I plugged the dash in and started the vehicle to ensure they were all positioned correctly. I did need to adjust the speedometer and tach a couple of times but that was last weekend and it is all good. One other word of caution, you may see the "Service 4WD Drive" light on. This is just because the switch on the dash is unplugged. Once you have everything connected it will go away.
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  #50  
Old 04-22-2009, 09:12 AM
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Quote:
Originally Posted by keitho64 View Post
Yes you must pull all the needles to replace any stepper motor. The instructions here are right on. When I reinstalled my needles I plugged the dash in and started the vehicle to ensure they were all positioned correctly. I did need to adjust the speedometer and tach a couple of times but that was last weekend and it is all good. One other word of caution, you may see the "Service 4WD Drive" light on. This is just because the switch on the dash is unplugged. Once you have everything connected it will go away.
Guys, please read my updates. You do not need to remove any dash panels expect the cluster and two screws from the knee bolster. I think it was about 8-10 screws total. You shouldn't have to unplug anything but the instrument cluster itself.
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