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AC line rattles cured Posted by Larry West [Email]  (#1140)  [Profile/Gallery]
(more from Larry West) on Sat, 30 Aug 2008 08:35:43
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A few weeks ago, I started experiencing the groaning of the expansion valve, and the rattling of the AC lines that run along the right side of the engine bay. A quick fix was posted in this Saabnet thread:
http://www.saabnet.com/tsn/bb/9-5/index.html?bID=178391
Upon inspection, it was obvious that one part of both clips that hold the evaporator pipes to the wheel arch had broken off, leaving the high pressure pipe dangling in space, and thus rattling against everything.
I decided I had to get it permanently fixed, and researched the proper part from Saab. The proper part is clip 46 33 210, which converts to GM part # 921 521 58. These parts cost $3.70 each, according to the parts price lookup on Taliaferro's site.
Swapping them out was pretty easy. Click on the link below for the pics to accompany this.
I did this on my 2002 Arc sedan this morning (3.0l V6 & Auto trans for those who don't know).
First, I did the front one. For access, you need to remove the Mass Air sensor, and the rubber hose that goes between the MAF and the turbo inlet pipe. You can rest the MAF sensor between the radiator crossmember and the engine cover, screen side up, without disconnecting the wires.
Using a pair of pliers, pull the remains of the old clip off of the stud that holds it to the frame. I have to give kudos to Saab and GM for this, rather than using a screw or stud that can rust. It will still be attached to the larger pipe. You will likely have to wiggle the clip along the big pipe until you reach a spot where you can get the pliers onto it so that you may twist the clip off of the large pipe.
Take a minute to clean up the area from dust, grease, lost tools, etc., before re-assembling.
What I did to re-assemble was to first clip the new clip onto the large pipe (ONLY!), then wiggle it along the large pipe until it was over the stud, and I pushed it home using a 7mm nut driver (which I had handy from removing the MAF sensor).
DO NOT PUT THE SMALL PIPE ON YET!
Now, do the second one, which is between the engine mount and the power steering reservoir. Same drill, pull the clip off the stud, wiggle it along the line (aft works best), twist it off the line. Then clip on the new one, wiggle it into place, and down on the stud. Note that there is a small wire that may want to get caught under the clip. It probably won't do any harm if it does get stuck under the clip, but you want to try to keep it clear of the clip.
Now that the new clips are in place, with the large pipe clipped in, place the smaller line over the two clips, making sure that there's no tension anyplace, and push it down into the two clips.
Put back the MAF sensor and pipe, and you're done.
It's nice to know that some fixes on our 9-5s can be cheap and easy!
Larry West
2002 9-5 Arc Sedan
1990 900 3-door
_______________________________________ Current: 2002 9-5 Aero Kombi Cosmic Blue 2000 9-5 SE sedan, Imola Red 1990 900S Rose Quartz, Auto Past: 1999 9-5 LPT Combi 1999 9-5 LPT sedan 2002 9-5 Arc 1990 900 5-speed 1986 900 turbo Convertible 1991 9000 turbo 1980 99 GLi 1986 900 turbo 1986 900 S 1991 900 turbo 1984 900 turbo 1976 99 GL
, Sat, 30 Aug 2008 08:35:43 <-- Viewing This Message, Sat, 30 Aug 2008 08:59:49, Sat, 30 Aug 2008 09:13:42
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