rack and pinion leaking - 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 > 02-09 Vortec 4.2L I-6 Engine and Drivetrain > OEM Issues

OEM Issues Original Equipment Repairs and/or Problems

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  #1  
Old 06-03-2009, 05:38 PM
silver0306 silver0306 is offline
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2003 Chevy TrailBlazer LS
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rack and pinion leaking

The driver side boot on the rack is leaking oil. can u simply replace the cylinder seal or do u have do replace the whole rack and pinion?
thanks
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  #2  
Old 06-04-2009, 07:33 PM
Dj_iET Dj_iET is offline
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2002 GMC Envoy SLE
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im having the same exact prob and it gets worst i learned that when you park your car if you turn you wheels to the right. it slows the leak
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  #3  
Old 06-04-2009, 07:51 PM
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Riddlebox0333 Riddlebox0333 is offline
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2002 GMC Envoy SLE
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Just replaced mine last saturday $355 + $115 core at autozone. Dealer is like $900 for the rack. Kind of a pain to replace, both boots were leaking losing about a quart a month. The after market ones are a lot better. If you have an 02 you need to find out if you have the 14mm or the 16mm tie rod ends and you'll have to get an alignment after.
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  #4  
Old 06-04-2009, 07:55 PM
Dj_iET Dj_iET is offline
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How much for the labor.. Or did you do it yourself?
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  #5  
Old 06-04-2009, 11:59 PM
silver0306 silver0306 is offline
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so im guessing u cant just buy a seal and replace it ???they have to make everthing expensive!!!
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  #6  
Old 06-05-2009, 02:06 AM
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Riddlebox0333 Riddlebox0333 is offline
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My buddy is a GM mechanic, he charged me $200.00 for upper and lower ball joints both sides, drivers axle seal, pinion seal, rack & pinion and while he installed those, I changed the motor oil, front and rear diff oil, and the transfer case. After watching and helping it really wasn't that bad. No special tools to replace the rack, just a tight squeeze.

I don't think you can replace any seals, its probably cheaper to replace the entire unit with a lifetime warranty than to try to rebuild it.
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Old 06-05-2009, 06:06 AM
Dj_iET Dj_iET is offline
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Quote:
Originally Posted by Riddlebox0333 View Post
My buddy is a GM mechanic, he charged me $200.00 for upper and lower ball joints both sides, drivers axle seal, pinion seal, rack & pinion and while he installed those, I changed the motor oil, front and rear diff oil, and the transfer case. After watching and helping it really wasn't that bad. No special tools to replace the rack, just a tight squeeze.

I don't think you can replace any seals, its probably cheaper to replace the entire unit with a lifetime warranty than to try to rebuild it.
Sounds good my buddy is a mechanic and he thought it was some kind os specialized tools and a lot of work I'm gonna do it this weekend. I've had to fill the resevoir like 1 to 2 times a day. I appreciate the help
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  #8  
Old 06-05-2009, 10:21 AM
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Riddlebox0333 Riddlebox0333 is offline
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the ball joints and the axle and pinion seals needed special tools, but not the rack. you have to remove the cross member, then its 2 bolts that hold the rack in, a bolt that holds the plate with the in out lines, and the steering boot. What year is your trailvoy?
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  #9  
Old 06-05-2009, 10:34 AM
Dj_iET Dj_iET is offline
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Quote:
Originally Posted by Riddlebox0333 View Post
the ball joints and the axle and pinion seals needed special tools, but not the rack. you have to remove the cross member, then its 2 bolts that hold the rack in, a bolt that holds the plate with the in out lines, and the steering boot. What year is your trailvoy?
Its an 02 envoy 14mm tie rods (per my measurements)
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  #10  
Old 06-18-2009, 06:15 PM
Dj_iET Dj_iET is offline
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Update

hey update guys.. me and my mechanic buddy changed the rack and pinion unit. it took about 6 hours but we got it done.. no special tools are needed but suggested.. also if you choose to do it yourself have someone with a bit of experience to help you through it
for startes you have to
1. remove axles in order to get to the rack
2. you have to remove the bottom shield under the car as well.
3. you have to disconnect your tie rod ends
4. then you remove the two bolts from the cross member thats holding the rack also do not forget you have to remove the two lines connected to the rack
4. once out do everything in reverse and fill your resevoir. there will be air in the rack so the resevoire will flow over a couple of times..now everything is all set.
sorry im lazy dont feel typing more PEACE OUT!!
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