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#1
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Replacing 603 Hydraulic Lifters
What has to be done? for grins and giggles I'd like to see if any of mine are shot
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hum..... 1987 300TD 311,000M Stolen. Presumed destroyed |
#2
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This is quite a job, needless if your engine is quiet (no ticking sound when idling hot). If regular oil changes were a part of the history on an engine they should not need replacing. To get to them you remove the cam cover then the timing gear/chain is removed the cam comes out by loosening the bolts in a very specific sequence only then can you pull the cam followers .... its probably a good idea to replace the timing chain while its off unless its been replaced before . . . more $$$$
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'95 E320 Wagon my favorite road car. '99 E300D wolf in sheeps body, '87 300D Sportline suspension, '79 300TD w/ 617.952 engine at 367,750 and counting! |
#3
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x2 = don't touch them if they're not ticking. Cam r&r is tedious. Grins and giggles wear off quickly.
Set to #1 TDC before loosening cam tower bolts. Sixto 87 300D |
#4
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I have a feeling I will need to switch to synthetic. I am getting a little bit of a tick, or sell a kidney and buy everything to replace the chain, all lifters, and do the vacuum pump.
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#5
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My VW repair manual has a nice procedure for testing hydro. lifters:
4. Cylinder Head - 4.6 Hydraulic Cam Followers - Checking Hydraulic Cam Followers That said with all the bother of taking the chain apart I'd want to replace all the lifters if I was that far into it. It's too bad the Mercedes lifters cost 2x what VW ones do -J
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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket Tesla Model 3. 205,000 miles. Been to 48 states! Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels. 2014 Cadillac ELR 2013 Fiat 500E. |
#6
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hmm, either problem I face is a right pain in my lower hind quarters....
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hum..... 1987 300TD 311,000M Stolen. Presumed destroyed |
#7
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No matter what you do DO NOT use a magnet to lift them out.
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Jim |
#8
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Why not? If you're throwing it away because it's bad does it make a difference?
-J
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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket Tesla Model 3. 205,000 miles. Been to 48 states! Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels. 2014 Cadillac ELR 2013 Fiat 500E. |
#9
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I wrote that thinking that they were going to be reused. What happens is that they will get magnetized and attract metal particles which destroys them after a period of time.
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Jim |
#10
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Do they still sell valve lapping suction cups?
Sixto 87 300D |
#11
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Use a suction cup to pull them up and out.
I held my head upside down and all the lifters slowly plopped out... onto the cement floor.
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Cheers! Scott McPhee 1987 300D |
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