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#1
11-15-2014, 12:00 AM
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W124 M103 Piston Removal?
Hello,
I am planning to replace the piston rings on my 260E Engine is out of the chassis, Have full access to the crank plus everything else. I have referred to factory maintenance manuals about taking the pistons out. I'm just wondering if anyone has done this kind of job before? Is it relatively easy to get the piston rings off?? Does the conrod come right up through the cylinder so you can remove the whole piston assembly as one? My main question is what should I be looking out for on the conrod bearings, can they fall/slip out once un-bolted? Any help is much appreciated  )
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#2
11-15-2014, 03:34 AM
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Quote:
It sounds like you are not planning to remove the head. Whilst you might be able to drag a piston out through the bottom of the engine you will have a miserable time trying to fit it again. Pistons should be removed and replaced via the top of the engine. Remove the head and save yourself a lot of trouble. Furthermore - assuming the bore diameters of the cylinders are still in specification - if you replace the rings without honing the cylinder walls you stand a good chance of having poor compression and high oil usage. When you remove the caps of the connecting rods make sure the sharp corners of the connecting rods do not scratch the journals of the crankshaft during removal or refitting.
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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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#3
11-15-2014, 03:35 AM
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Link to other thread => http://www.peachparts.com/shopforum/tech-help/362288-m103-engine-timing.html
__________________
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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