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#4664766 - 02/13/18 12:10 PM Replacing power steering pump on 2008 Chev Truck
Snagglefoot Online   content

Registered: 12/31/17
Posts: 860
Loc: Alberta
I need to replace my leaking power steering pump on my 2008 chev Suburban. Itís a 3/4 ton with with hydraulic assisted power brakes. Because itís a hydraulic assist system I donít want to use chemical stop-leak. I was wondering if anyone has pulled one of these pumps. If so, did you disconnect the high pressure line from underneath the truck (I donít have a hoist) or did you remove the pump and then undo the line. Iíve done pumps before and am familiar with the pulley removal etc, but with the four wheel drive system and suspension in the way Iím wondering if itís worth it to try disconnect the high pressure line from underneath. Thanks.


Edited by Snagglefoot (02/13/18 12:31 PM)

#4664864 - 02/13/18 02:34 PM Re: Replacing power steering pump on 2008 Chev Truck [Re: Snagglefoot]
bullwinkle Offline

Registered: 10/09/04
Posts: 7330
Loc: Cincinnati, OH, USA
I removed the pump & then the line, but it wasn't on a 4WD (2WD C3500 in my sig). Word of caution-get a good pump, NOT A CARDONE, or you'll be doing it more than once... I actually went back with Red Line PS fluid in mine, old stuff was BLACK when I changed it. Took out the hydroboost unit too.
06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 15 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)

#4664884 - 02/13/18 02:52 PM Re: Replacing power steering pump on 2008 Chev Truck [Re: Snagglefoot]
Trav Offline

Registered: 11/20/06
Posts: 17725
Loc: MA,
Unbolt the line with the pump loose. This is the pump you want.
ASE L1, Master. Deutsch Meisterbrief.

#4665207 - 02/13/18 08:26 PM Re: Replacing power steering pump on 2008 Chev Truck [Re: Snagglefoot]
Chris142 Offline

Registered: 06/05/03
Posts: 16319
Loc: Deplorable in apple valley, ca
X2 on the cardon junk
02 Wrangler super-s 10w30
87 F250 proline 15w40
04 Tahoe super-s 10w30
Z400 Lucas 10w30
KLR250 Maxima 10w40
Can am maveric edge 5w40
57 case tractor 15w40

#4665227 - 02/13/18 08:44 PM Re: Replacing power steering pump on 2008 Chev Truck [Re: Snagglefoot]
HoosierJeeper Offline

Registered: 11/23/16
Posts: 1204
Loc: WI
One guy on the Jeep forum I'm on has gone through 7 or 8 of them in less than a year. When the one on the Liberty died, I got a new Mopar one, so far so good. Bought a new pulley so I could just put it on and be done.

I'm not all that familiar with the Suburban setup, but I'm guessing job one is getting the fan(s) out, that might give you enough room to get the lines off of it before taking it off. Might give you more leverage if it's still in place.

Other random tips that you probably already know - use only OEM orings and they can't be reused. If you have any whining now, I'd replace the return line/cooler line. They develop microcracks in them that suck in air since it's under a slight vacuum but not big enough to leak. Did that on my Liberty and it was a great improvement with the new pump. Hate to see you kill a new pump due to cracked lines!
15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)

#4665452 - 02/14/18 05:52 AM Re: Replacing power steering pump on 2008 Chev Truck [Re: Snagglefoot]
Snagglefoot Online   content

Registered: 12/31/17
Posts: 860
Loc: Alberta
Thanks for the input, everyone.