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#1
08-05-2006, 11:54 PM
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ALL 603 engine owners survey. Please respond.
Am asking if you have ever had piston/bore damage on 603 engines...if so, what piston/bore was affected ?
So far...I find #3 cylinder the most common. Thank you for you attention.  .
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[http://languageandgrammar.com/2008/01/14/youve-got-problems-not-issues/ ] "A liberal is someone who feels they owe a great debt to their fellow man, which debt he proposes to pay off with your money." Last edited by dkveuro; 08-06-2006 at 12:56 AM. 
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#2
08-06-2006, 12:06 AM
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not yet............
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#3
08-06-2006, 12:16 AM
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Hopefully never, that will be a nice $6k blow up thats or sure.
Coming up on 256k with the original head and head gasket. Burns zero oil, 0-60 in 10.63 seconds. What more can I ask of the old girl?  5k rpm no sweat, 110mph no problem, 23mpg feh can't have it all.
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2016 Corvette Stingray 2LT 1969 280SE 2023 Ram 1500 2007 Tiara 3200
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#4
08-06-2006, 12:31 AM
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Not on mine, just a leaking turbocharger (like most
 )
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I'm not a doctor, but I'll have a look.  '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#5
08-06-2006, 12:34 AM
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I bought an 87 300D with no head. PO let the mechanic send the head out and lost interest when they said it (the head) wasn't repairable. I bought it for the mech lien. (now I know why they say the cheapest Mercedes is always the most expensive one!) Oh, it has 260K on it.
We found some scoring in one quadrant of cyls #5 and #6 due to worn rings. Others were ok. I had the ridges reemed and all cyls honed w/ engine in the car. I re-ringed the pistons myself. Bought a used #14 head and had it rebuilt and resurfaced. New timing chain. Reconditioned injectors. New lifters. Happy to report no problems almost a year later and it uses under a quart every 3000 miles, most of that looks like its leaking from the front seal. I have had a little knocking (not really bad!) on cyl 5 when cold, just below 1500 RPM or so. Under acceleration its quiet. Its not a rod knock, its fuel related. I attribute this to a leaking IP delivery nozzle but I haven't had time to replace seals yet to prove it. It has improved in the hot weather but by winter I will replace the seals and hope it subsides but its not really much to worry about. My other '87 300Dt (also 260K on it!) has never had more than a noisy lifter, replaced them all and its running like new!
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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!
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#6
08-06-2006, 12:37 AM
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To replace that front seal, do we have to yank the timing cover?
Also, do bad delivery valves make the motor sound like it has rod knock?
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I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#7
08-06-2006, 12:50 AM
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.......No....pull the balancer/crank pulley.
I presume you are refering to the front crank seal ? .
__________________
[http://languageandgrammar.com/2008/01/14/youve-got-problems-not-issues/ ] "A liberal is someone who feels they owe a great debt to their fellow man, which debt he proposes to pay off with your money."
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#8
08-06-2006, 01:01 AM
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Quote:
OOOOO!!! Excellent news! Yes the front crank seal. Just get the old one out and stick the new one in?
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I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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