Need help whit engine

819 Views 7 Replies 3 Participants Last post by spanners, Oct 31, 2003

VCR

Discussion Starter · Oct 29, 2003

In currently driving my parents 190E 1.8 from 1992. This car as bean in my family since 1995 (60.000Kms) and since then as always bean assisted in Mercedes except for the last 2 revisions the 140.000 and 150.000Kms. The time for revision is arriving and I realised the oil is minimum again, I had top it already whit 1L. I know is natural that this engine eats same oil but Iâ€™m wondering is there is same thing else wrong. Here is same data of the car:

Chassis â€“ 201.018
Engine - 102-919-10
It as 158.000Kms
The oil is Semi-Synthetic Elf, 5w40, maybe 10w40.

Iâ€™m not sure what oil is using because the sticker in the car says 5w40 and the bottle 10w40. The bottle was already open so it possible that the mechanic used it just to sell us a bit of oil.

I have same experience whit repair of rust but none at all of mechanics. What I would like to know is if there is same thing I should be looking for that could cause the car to drink so much oil. The car is handling very good and the engine fells to be running also very good. Could this mean that I have a problem or is it just a case for the Oilcoholics Anonymous?

Any help ill be appreciated ,Thanks Vasco

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spanners

· #2 · Oct 29, 2003

Burning Oil

Valve stem seals are a very common cause of oil consumption on the 102 engine.

They can be replaced using a special tool without the need to remove the cylinder head. Take it to an MB specailist and it shouldn't cost too much to replace them.

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texnteg

· #3 · Oct 30, 2003

how do the piston rings hold up?...

how do the piston rings hold up?

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spanners

· #4 · Oct 30, 2003

Re pistons

There are two ways.

One involves using a tool that screws into the spark plug hole and fills the cylinder with compressed air, holding the valves up whilst you do the job.
I've never been a fan of that method because if anything happens to the air line the valve will fall in.

The preffered method for me is to bring the piston to the top, and when you press the valve spring down (with the specail tool), the valve bottoms on the piston allowing the spring to be removed.

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VCR

Discussion Starter · #5 · Oct 30, 2003

Re: Burning Oil

Valve stem seals are a very common cause of oil consumption on the 102 engine.

They can be replaced using a special tool without the need to remove the cylinder head. Take it to an MB specailist and it shouldn't cost too much to replace them.

Thanks for the information; Iâ€™m going check that whit MB mechanics. I had a good look at the engine and realised there is same wet dirt; In the front of the carburettor, on the back of the distributor and on the right side of the engine head. This must be oil because it doesnâ€™t smell like gasoline. Could the Valve stem seals cause this?

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spanners

· #6 · Oct 30, 2003

Re Oil

This is probably caused by a leaking rocker cover gasket, which can be replaced at the same time as you do the valve seals.

The valve seals can not cause this problem as they are internal seals that when worn allow oil to leak into the cylinders thus causing the engine to burn oil.[

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VCR

Discussion Starter · #7 · Oct 31, 2003

Re: Re Oil

This is probably caused by a leaking rocker cover gasket, which can be replaced at the same time as you do the valve seals.

The valve seals can not cause this problem as they are internal seals that when worn allow oil to leak into the cylinders thus causing the engine to burn oil.[]

Thanks for the help, Iâ€™m going to clean a little bit the engine and see if I can detect were itâ€™s coming from. Any way, the car as to go to the shop soon and Ill ask the MB mechanic to take a look at it.

Is this a difficult job for same one whit no experience? Das it require special tools? I see that the carburettor must be removed. I enjoy getting my ands dirty but I donâ€™t wont to risk damage.

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spanners

· #8 · Oct 31, 2003

Re rocker cover

This is a simple enough job.

Remove the air filter, spark plug wires, undo the five nuts holding the rocker cover on and replace the gasket.

The carburettor does not need to be removed for this job.

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