Transfer Case Failure - TerrainForum.net: GMC Terrain Forum
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post #1 of 16 (permalink) Old 09-12-2019, 05:25 PM Thread Starter
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Transfer Case Failure

2013 3.6L AWD SLT-2 66k miles. Wife said she went to turn in a parking lot and the truck started making all kinds of noises underneath. One turn and I knew it was the transfer case.. 😕 Opened it up hoping to rebuild it and its toast. The outer bearing on the 2nd shaft exploded and the metal went into every gear. Luckily the transfer case and transaxle do not share fluids so the tranny was spared. Used cases are 1/4 the price of a reman unit but I don't think it's worth taking the chance considering the low miles on this one. I'll call around tmrw and see what I can dig up but this should not have happened.
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2013 SLT-2 6cyl AWD - Current Daily
2011 SLE-1 4cyl FWD - Drove for 2 years, sold 6/17
2013 Denali 6cyl AWD Fire Damage - Parted out
2012 SLE-1 4cyl AWD Lease - Turned back in 3/16
2014 SLT-2 6cyl FWD Rollover - Parted out
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post #2 of 16 (permalink) Old 09-12-2019, 05:26 PM Thread Starter
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Couple more pics if you like carnage..
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2013 SLT-2 6cyl AWD - Current Daily
2011 SLE-1 4cyl FWD - Drove for 2 years, sold 6/17
2013 Denali 6cyl AWD Fire Damage - Parted out
2012 SLE-1 4cyl AWD Lease - Turned back in 3/16
2014 SLT-2 6cyl FWD Rollover - Parted out
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post #3 of 16 (permalink) Old 09-12-2019, 11:32 PM
tic
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Ouch.. Never let your wife drive your car
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post #4 of 16 (permalink) Old 09-13-2019, 09:02 AM
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So what are the price points for fixing something like this - used, junk yard parts, versus new? And you’re going to do the work yourself (I presume), but what would an independent shop charge (never mind the dealer)...?

I’ve never owned an AWD or 4WD vehicle (for winter driving) - even when living 12 “driving years” up in (southern) New England. When I’m home visiting family I see tons of AWD vehicles on the road these days - more than I ever remember seeing years ago. Makes me wonder if this is yet another one of those cases where the manufacturer has essentially created artificial demand by increasing production and then convincing buyers - through marketing and salesmanship - that they really need AWD, when they don’t.

A failure like the OP has experienced here is probably pretty rare, but prospective AWD buyers take note: do you really *need* AWD? Unless you live in Canada, one of the northernmost U.S. snowbelt states, or otherwise “out in the boonies” where roads get plowed when your town “gets around to it”, the answer is probably “no”. So keep it simple, drive a FWD vehicle, put the up-front ($1500?) savings into your pocket, enjoy the “extra” 1-2 MPGs along the way, and sleep tight knowing you’ve got one less transmission-related failure point to worry about.
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2011 Equinox 1LT (new Jan 2011): Summit White / 3.0 L V6 / FWD / Pioneer Stereo / 18" Wheels / 131.6k miles [14-JUN-2019]

2002 Impala 1LT (new Jun 2002): Summit White / 3.4 L V6 / FWD / Cassette-CD Combo /222.5k miles [13-JUN-2019]
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post #5 of 16 (permalink) Old 09-13-2019, 09:51 AM
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I dont need it in Canada either but it is shoved down our throats by manufacturers ..you want a decent vehicle option wise the only way you can get one is with awd as I learned with the Terrain.
We are an easy target for over paying for vehicles because it never gets above freezing here lol
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post #6 of 16 (permalink) Old 09-13-2019, 10:50 AM
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Quote:
Originally Posted by afterhoursfab View Post
Couple more pics if you like carnage..
Bummer, at least you didn't have to waste a lot of time diagnosing the problem.
Those 301 horses were hard on the transfer case.
Haven't seen you on the forum in a while, always liked your posts.

2014 Equinox LTZ FWD 3.6L. V-6 (LFX)
GM6T70 Transmission-Gen II(M7W)
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Build Date: Nov. 04, 2013-Delivery Date: Nov. 25, 2013
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post #7 of 16 (permalink) Old 09-13-2019, 10:54 AM
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Appears the OP is handy with tools... based on his screen name... and has the tools and know how to do the work himself in his garage.
Yeah- should not have happened.

2013 Equinox LT1 3.6L V6 FWD 88,000
2010 Traverse LT1 3.6L V6 FWD 153,000
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post #8 of 16 (permalink) Old 09-13-2019, 04:08 PM
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Dayum. Looks like every single piece is worked, even the case.

Tom

2019 Terrain SLT FWD - 1.6L Turbodiesel - Smokey Quartz Metallic / Black Leather - Sunroof - Driver Alert I-II & Infotainment II
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post #9 of 16 (permalink) Old 09-15-2019, 06:04 PM
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You are correct AfterHoursFab
It should not have happened ..... transfer cases should not fail at 66k miles!

Last January, A Chevy mechanic said (about these AWD Equinox's) ==>>>. "AWD Transfer case tend to go (fail) between 50k and 100k miles...."

Like with other issues on these cars,
Such as blown rear main seal in the winter,
Or oil consumption,
gm would probably say "its normal" for transfer cases to fail.

What can we do as owners?

As a preventative measure,
I immediately changed the AWD transfer case oil in my traverse (was at 70k miles) and my 2013 Equinox (was at 30k miles)
And going forward, I will change the oil in transfer cases every 25 to 30k in all my cars.
Also,
I try to keep cold tire pressures between 35 and 37 psi.
And rotate tires and align tires at every oil change...

Will it ^ help prevent transfer case failures?
Will it make the transfer case last at least 150k plus miles?
Who knows?

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Three Equinox with 2.4 engine, 2013, 2016 and 2016
2017 equinox with 3.6 engine with Elite E2 X catchcan
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post #10 of 16 (permalink) Old 09-15-2019, 08:01 PM
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I’ve had to replace the rear output shaft seal on the transfer case twice. Each one lasted around 20k miles. Both were under warranty (had an extended one). They wouldn’t replace the transfer case. We’ll see if the seal goes again. Not sure if it’s any kind of indicator on the durability of this particular transfer case. 54k on the Nox now.

Current: 2013 Equinox AWD 2LT 3.6 V6, 2018 Chevy Colorado Z71
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