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Old 03-14-2014, 05:25 PM
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Join Date: Mar 2014
Posts: 1
Suspension Issues - 2005 SL500

I'm having some suspension issues and thought I would toss this out there for an online opinion

2005 SL500 Around 75k Miles

History Of Trouble
1) Slight griding like noise coming from under car or tires while driving (is this even likely caused from suspension?)
2) Grinding noise gets worse, and even does it right after cranking when idling
3) ABC lights start to come on intermittently, with the last being the visit workshop one
4) Car begins to sag when not driven for a couple of days - sagging on passenger side

Codes From Indy

Repair Recommendations- Parts
1) Replace both front and rear hydraulic valve blocks
2) Some sort of hose kit for the rear? (is this necessary if I chose the older version of the valve blocks 2203200358 vs the newer one 2203201258?)

Does this sound like an appropriate diagnosis? I was told to seek a second opinion due to suggestion of needing both valve blocks, and because of the grinding noises.
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Old 07-05-2014, 06:29 PM
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Join Date: Sep 2003
Location: Dallas, Tx
Posts: 701
I had sagging and a loud whirring noise, it was my ABC pump. I replaced it while I had the engine out replacing the rear main seal and pan gaskets. Good luck!
Brian W. Heitman

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