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Old 08-24-2016, 06:56 PM
Registered User
Join Date: Aug 2016
Location: Sun Lakes, AZ
Posts: 29
Unhappy engine shot? 82SL

I was told then timing chain tensioner caused the timing chain to skip a tooth. Does this make sense?

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Old 08-24-2016, 07:50 PM
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Join Date: Aug 2015
Posts: 67
yep very common probably bent the valves on the driver side
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Old 08-24-2016, 10:08 PM
Registered User
Join Date: Aug 2016
Location: Sun Lakes, AZ
Posts: 29
Is this fixable?
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Old 08-24-2016, 10:20 PM
Stretch's Avatar a shield of steel
Join Date: Sep 2009
Location: Somewhere in the Netherlands
Posts: 14,461
Everything can be fixed.

When it comes to Mercedes engine parts prices most people won't want to fix it though.

Which engine is it?
1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior

Don't leave that there - I'll take it to bits!
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Old 08-25-2016, 10:29 AM
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Join Date: Aug 2015
Posts: 67
Originally Posted by burtajack View Post
Is this fixable?
every thing is fixable the real question is how much which depends on how much damage but most run between 3k to 5k
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Old 08-25-2016, 06:04 PM
Senior Member
Join Date: Nov 2002
Posts: 757
did it skip just 1 tooth? or, did it jump enough so that the valves are bent on the driver's side head?

that engine can skip 4 teeth without damage. if so, replace the tensioner, chain and guides. otherwise, you're in deep pockets for the repair. good luck, chuck.
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Old 08-25-2016, 08:59 PM
Join Date: Jan 2010
Location: Back in SC upstate
Posts: 1,583
It happened to my 380 engine. Most likely you've bent a valve or two. If the body is worth saving the engine is worth repairing.

The intake, heads and timing cover will have to come off the engine to do the repair. That's if you haven't punctured a piston with a bent valve. I replaced a piston, did a valve job and spent just under a grand on my repair job. I did all the labor except the valve work.

What RPM was the engine doing when the chain jumped?

84 300SD
85 380SE
83 528e
95 318ic
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