97 E320. Do I have to remove engine to remove oil pan? Manual says so. - Mercedes-Benz Forum
 
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#1 (permalink) Old 08-24-2011, 05:44 AM
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97 E320. Do I have to remove engine to remove oil pan? Manual says so.

Just bought it, it needs engine repair.
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#2 (permalink) Old 08-24-2011, 05:57 AM
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Originally Posted by car5car View Post
Just bought it, it needs engine repair.
Is your engine the 104 in line 6 cylinder or the 112 V6? For 97 I guess it must be the 104, this can be done without taking the engine out but you will need an engine hoist or support bar as the engine has to be raised slightly, engine mountings removed.

ERIC.

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Last edited by eric242340; 08-24-2011 at 06:02 AM.
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#3 (permalink) Old 08-24-2011, 06:07 AM
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Here are a couple of pics to give you the idea.
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ERIC.

___________________________________________
"I am enclosing two tickets to the first night of my new play; bring a friend, if you have one."
- George Bernard Shaw to Winston Churchill.

"Cannot possibly attend first night, will attend second ... if there is one."
- Winston Churchill, in response.
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#4 (permalink) Old 08-24-2011, 06:55 AM
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It is inline. Thanks, Eric!
It seems like head gasket is bad. How should I hold chain, when head is removed?
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#5 (permalink) Old 08-24-2011, 07:29 AM
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Originally Posted by car5car View Post
It is inline. Thanks, Eric!
It seems like head gasket is bad. How should I hold chain, when head is removed?
On the 104 that is simple, put the chain around the arms for the engine mountings. It needs to be lifted approx 4". And with the head removed you have plenty of space, but make sure the fan and fan housing are removed first.

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- George Bernard Shaw to Winston Churchill.

"Cannot possibly attend first night, will attend second ... if there is one."
- Winston Churchill, in response.
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#6 (permalink) Old 08-24-2011, 10:04 AM
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Sorry, I didn't explain it right. Question was about timing chain. I guess, I need to hold chain tight somehow to keep on crank sprocket, or it doesn't matter?

Last edited by car5car; 08-24-2011 at 03:43 PM.
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#7 (permalink) Old 08-24-2011, 06:27 PM
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You can tie it off, piece of string and tie it to a unit on the side of the engine or simply put a screw driver through the chain to stop it falling into the engine.

ERIC.

___________________________________________
"I am enclosing two tickets to the first night of my new play; bring a friend, if you have one."
- George Bernard Shaw to Winston Churchill.

"Cannot possibly attend first night, will attend second ... if there is one."
- Winston Churchill, in response.
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#8 (permalink) Old 08-25-2011, 04:30 AM
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Not 100% certain about this engine but I have done a lot of head gaskets, most recently on a Jag V12.
Use steel wire to lock the chain in position around the gear.
Release (or remove) the chain tensioner.
Clearly mark the camshaft gear location relative to the cam and remove it.
Be very careful not to drop the bolts into the engine. I stuff a rag in there at this step, just in case.
Tie off the chain/cam grear to the front of the engine.
You want to avoid too much chain slack at any time that might allow it to slip off the drive gear below.
I do not see a need to remove the oil pan for a head gasket repair, unless a piston(s) need servicing.
Thx.
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#9 (permalink) Old 08-25-2011, 04:39 AM
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^Interesting point, he did not say why he needed to take the oil pan off, but no it is not required for an head gasket job.

ERIC.

___________________________________________
"I am enclosing two tickets to the first night of my new play; bring a friend, if you have one."
- George Bernard Shaw to Winston Churchill.

"Cannot possibly attend first night, will attend second ... if there is one."
- Winston Churchill, in response.
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#10 (permalink) Old 08-26-2011, 11:03 AM
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There's no reason to remove the oil pan to do a head gasket. That said, I had our project car with the M104 just up on the lift and I can't see any way you could get the pan off with out raising the engine up.
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