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olpos 12-09-2003 02:57 AM

88 190e 2.3 over heat
well,bought my first merc. black, grey interior, 151 miles. it had over heated. i read in the archives to pull the motor to do head gasket. say it is not so. with the head off should i do the chain,guide,tensioner and front cover gasket=seal. beside vacuum rubber replacement, rebuild head, is there any other thing i shoud do. do i have to remove motor to do pan if needed. don't have a garage. paid 600.00 for the car,so can spend a little on it. has a strange problem,the key will to unlock the doors. but if i push on one lock they all lock. i work as a mechanic,smog tech, so cars are a challenge. are these good drive trains thank you oh which manual shoud i buy

haasman 12-09-2003 10:49 AM


No you don't have to pull the engine to replace the head gasket. I would have the head checked for warping, professionally though. Do a valve job and make sure the valve guides are checked. Replace the valve stem seals.

The front cover seals are not, to my knowledge big leakers, but yes do it if necessary while in that area.

Check the chain for stretching and the chain tensioner is not a bad idea while you are there.

I do not beleive you have to pull the motor to repair a leaking pan.

You want to ensure that whatever caused the overheating does not still exist after all your work.

Your car has a central locking sytem.

With proper car the 190 models last a long time.

Find a Haynes manual on your car, it can help quite a bit. Or find a Mercedes repair CD. Although a bit weird to find answers it has just about everything you would need to know, very detailed. Often they are sold on eBay.

Enjoy your car,


jrbnc 12-09-2003 11:17 AM

you wont have to pull the engine to remove the pan, i did this about 2 months back, when i pulled the timing cover. You will have to lift the engine, pretty much as high as it will go in order to position the pan over the frame crossmember. But if you just going to replace the gasket, you may not have to lift so high. The problem also is that the oil pump pickup line hangs way down into the pan, so you will have to clear that too. I actually had to put the car up on jack stands and then lift the engine in order to get the clearance i needed.

I do have a list of parts and things to watch for when you pull the timing cover that I compiled when doing mine. I can post if you are interested.



olpos 12-09-2003 11:59 PM

thanks for the reply
this sure is a great forum. i sent in my question last night when i was half asleep. did a quick search and saw one response that said pull motor.should have known a haynes manual today.seem this 190 motor just a small version of the six and eight cylinder motors. on the central locks,the key does not work in the locks to unlock. they turn but don't unlock. one door will lock by hand but not open the locks with the key. moving the locks up or down by hand makes them all work. is there an electric contact when i turn the key that is not working. strange even the trunk lock does not work with the key.maybe a relay somewhere? thanks

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