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#1
12-04-2006, 05:22 PM
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Delivery valve seal replacement...no real surprises except how tight they were!
As the title to this post stated, getting the old delvery valves apart was tough...those suckers were on there tight...a lot tighter than the 35NM of torque the spec calls for. I'd bet 4-5 times that torque was needed to break them free. I can't believe they could have gotten that tight just from seizing over time, I suspect they were replaced at some time by someone with a mighty strong arm...anyone else experience this?
While I was in there I did the shut-off o-ring and all of the lines too...and the dealer called to tell me my new motor mounts came in so I put them in as well. A good day of wrenching sure beats a day of real work!
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Marty D. 2013 C300 4Matic 1984 BMW 733i 2013 Lincoln MKz 
Last edited by nhdoc; 12-04-2006 at 05:27 PM. 
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#2
12-04-2006, 05:26 PM
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Did you have leaks or nailing?
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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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#4
12-04-2006, 07:26 PM
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Same here. I had to use a breaker bar to loosen mine. Did you also get more nailing like I did after changing the seals?
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2004 VW Jetta TDI (manual) Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL
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#5
12-04-2006, 07:56 PM
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Quote:
I almost always had some at idle, I just accepted it...can't say it is worse yet though cause I barely drove it since I put it all back together. I still have to blow out the air bubbles and I also used some lithium grease to hold the springs up in the valve bodies during assembly, so all that crud has to burn through too...but it does run at least as well as it did before.
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Marty D. 2013 C300 4Matic 1984 BMW 733i 2013 Lincoln MKz
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#6
12-05-2006, 08:47 PM
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Mine were in there pretty tight - I'd estimate maybe 50 Nm to break them free. Since the ULSD switch they have all starting leaking since the O-ring were most likely original.
How did engine mount upgrade go? I've seen a few post about being able to get them from the top with the help of a pair of wobble joint socket extensions. Any help with the engine knocking below 1500 rpm?
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Scott C. 2006 E320 CDI (120k miles) FOR SALE: 1998 E300 Turbo Diesel - Black w/Tan Leather - Euro delivery (236k miles)
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