S55 AMG 2005 Engine oil leaks
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Joined: Nov 2009
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S55 05
S55 AMG 2005 Engine oil leaks
I have a 2005 S55 AMG and the engine leaked oil when I got it. It was engine oil, the ABC fluid has a peculiar smell to it making the two easy to recognize. After fixing the usual problems (valve covers, filler cap, oil filter housing) there seem to be a leak still somewhere in front of the engine. It is not the main seal, the leak is higher up and it seems to be on both sides?? I cleaned up the front several times, but it is extremely difficult to see where it is coming from and I would prefer not to take out the radiators to find this leak
.
Any suggestions?
.Any suggestions?
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Joined: Jun 2008
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From: Texas
2003 CL55
I have a 2005 S55 AMG and the engine leaked oil when I got it. It was engine oil, the ABC fluid has a peculiar smell to it making the two easy to recognize. After fixing the usual problems (valve covers, filler cap, oil filter housing) there seem to be a leak still somewhere in front of the engine. It is not the main seal, the leak is higher up and it seems to be on both sides?? I cleaned up the front several times, but it is extremely difficult to see where it is coming from and I would prefer not to take out the radiators to find this leak.
Any suggestions?
.Any suggestions?
Did you check your oil cooler lines? The cooler is located in front of the radiator but down low. You can follow the lines from the cooler, if you are not sure where they start from..
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E63 Biturbo, UPD Cold Air induction kit, UPD performance crank pulley and UPD adjustable rear suspension with ride height adjustment.
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E63 Biturbo, UPD Cold Air induction kit, UPD performance crank pulley and UPD adjustable rear suspension with ride height adjustment.
CL55 UPD Cold Air Boost kit, UPD 3000 stall converter, UPD 77mm SC clutched pulley and beltwrap kit, Custom long tubes, UPD crank pulley , UPD suspension kit, UPD SC pulley, Aux. HE, Trunk tank w/rule 2000 pump, Mezeire pump, UPD 5pc idler set, Aluminum rotor hats.
www.ultimatepd.com
instagram @ultimate_pd
facebook.com/ultimatepd
Thread Starter
Newbie
Joined: Nov 2009
Posts: 8
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S55 05
I did some more research online and in WIS and other manuals and there is a possibility of oil leaking around some bolts. 5 of the timing case cover bolts need to have sealing compound applied when assembling so I will be monitoring those. There is also this small rectangular cover which seems to be a leaking problem on other MB engines.
One sneaky leak was the Camshaft Hall Effect sensor bolt on the right head, but it was easy to fix with RTV sealant.
I just wish there was more space in front between the fan and the engine.
One sneaky leak was the Camshaft Hall Effect sensor bolt on the right head, but it was easy to fix with RTV sealant.
I just wish there was more space in front between the fan and the engine.
Thread Starter
Newbie
Joined: Nov 2009
Posts: 8
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S55 05
I am back to report on the oil leaks. Interestingly enough, the oil filter (O ring placed in wrong groove by the "professional" who changed oil 
) and camshaft sensor bolt were the culprits behind oil leaks in the front of the engine. Right valve cover leaked somewhat on the side and gasket was replaced. Now there is only very small leak at the oil sensor and the dipstick O ring. That will get fixed this Saturday and the engine should be oil leak free.
) and camshaft sensor bolt were the culprits behind oil leaks in the front of the engine. Right valve cover leaked somewhat on the side and gasket was replaced. Now there is only very small leak at the oil sensor and the dipstick O ring. That will get fixed this Saturday and the engine should be oil leak free.
