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Old 09-08-2003, 01:50 PM
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Join Date: Aug 2003
Posts: 6
450 Slc Hydraulic Valve Compensators Noisey

Hello again,

I have now gotten the oil pressure problem solved, 40+ lbs.

Now the ball stud hydraulic compensators for the rocker amrs are noisy. Not all the compensators are "pumped" up. Any suggestions.



Last edited by docsorrels; 09-08-2003 at 04:39 PM.
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Old 09-08-2003, 10:41 PM
Super Moderator
Join Date: Apr 2000
Location: Falls Church, VA
Posts: 5,316
If you intend to keep the car, the fix would be to check the cams and rockers for wear and replace if needed, and replace the ball studs.

You might get away with increasing the pre-load on the ball studs with thicker shims.

Do a search on 'hockey puck' or 'ball stud' and you will find a lot of information on this.
Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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