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Avalanche 4wd #4655062
02/03/18 04:21 PM
02/03/18 04:21 PM
Joined: May 2010
Posts: 9,459
out there
spasm3 Offline OP
spasm3  Offline OP
Joined: May 2010
Posts: 9,459
out there
Used my 4wd in last in december, i remember it was slow to engage. It will not engage now. the 4wd light just blinks. I checked cleaned and reinstalled the ground bolts behind the drivers front wheel well. That made no difference.

Do i need to replace the transfer case actuator motor? When i press the 4wd or 4wd low button, i don't hear anything change no sounds.

I know little about 4wd systems. The wiring connectors all look good.

Last edited by spasm3; 02/03/18 04:25 PM.

13 elantra 72k 5w30 QSUD
03 chevy avalanche 80k synpwr 5w30
17 mazda cx-5 7300 miles m1 0w30
Re: Avalanche 4wd [Re: spasm3] #4655093
02/03/18 04:49 PM
02/03/18 04:49 PM
Joined: Feb 2009
Posts: 1,585
wv
krismoriah72 Offline
krismoriah72  Offline
Joined: Feb 2009
Posts: 1,585
wv
I have an 03 suburban..mine did the same thing. I found a broken wire near the transfer case..

Re: Avalanche 4wd [Re: spasm3] #4655237
02/03/18 07:56 PM
02/03/18 07:56 PM
Joined: Nov 2013
Posts: 7
Pittsburgh
SkipsterPA Offline
SkipsterPA  Offline
Joined: Nov 2013
Posts: 7
Pittsburgh
Could be your switch or motor. The motor on my 04 went a couple years ago. There's some good info on the forums at Chevyavalanchefanclub.com. It's apparently a common issue with this body style. I think the solder joints in the switch tend to fail but can be easily reflowed though.


2003 Sable
2004 Hyundai XG350
2004 Avalanche
2016 Elantra
Re: Avalanche 4wd [Re: SkipsterPA] #4655995
02/04/18 02:21 PM
02/04/18 02:21 PM
Joined: May 2010
Posts: 9,459
out there
spasm3 Offline OP
spasm3  Offline OP
Joined: May 2010
Posts: 9,459
out there
Thanks! I saw some posts about what you mentioned. So i'm pulling the switch and i will try the re-flow of solder!


13 elantra 72k 5w30 QSUD
03 chevy avalanche 80k synpwr 5w30
17 mazda cx-5 7300 miles m1 0w30
Re: Avalanche 4wd [Re: spasm3] #4656068
02/04/18 03:37 PM
02/04/18 03:37 PM
Joined: May 2010
Posts: 9,459
out there
spasm3 Offline OP
spasm3  Offline OP
Joined: May 2010
Posts: 9,459
out there
That did not work, so i'm going to replace the transfer case motor.


13 elantra 72k 5w30 QSUD
03 chevy avalanche 80k synpwr 5w30
17 mazda cx-5 7300 miles m1 0w30
Re: Avalanche 4wd [Re: spasm3] #4656288
02/04/18 07:42 PM
02/04/18 07:42 PM
Joined: Nov 2013
Posts: 7
Pittsburgh
SkipsterPA Offline
SkipsterPA  Offline
Joined: Nov 2013
Posts: 7
Pittsburgh
If you can get the driveshaft off, it's easier. I did mine without dropping it but it was a pain. Kind of tight quarters but do-able.


2003 Sable
2004 Hyundai XG350
2004 Avalanche
2016 Elantra
Re: Avalanche 4wd [Re: SkipsterPA] #4656297
02/04/18 07:52 PM
02/04/18 07:52 PM
Joined: May 2010
Posts: 9,459
out there
spasm3 Offline OP
spasm3  Offline OP
Joined: May 2010
Posts: 9,459
out there
Originally Posted By: SkipsterPA
If you can get the driveshaft off, it's easier. I did mine without dropping it but it was a pain. Kind of tight quarters but do-able.


Thanks! I was planning on dropping it. But since you did it around it, i will try that first!


13 elantra 72k 5w30 QSUD
03 chevy avalanche 80k synpwr 5w30
17 mazda cx-5 7300 miles m1 0w30

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