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#1
11-24-2005, 12:56 PM
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goop for intake/exhaust manifold gasket ?
Thanks to fastlane, I have a new intake/exhaust manifold gasket, should go on this weekend ('82 240D). Is there any kind of sealant/goop to smear on the gasket to maximize my chane of making my exhaust leak go away ?
-John
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2009 Kia Sedona 2009 Honda Odyssey EX-L 12006 Jetta Pumpe Duse (insert Mercedes here) Husband, Father, sometimes friend =) 
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#2
11-24-2005, 10:51 PM
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no
but you should check it for straightness. if it has gotten warped you wont get it to seal. it needs to be checked with a straight edge. if you arent sure how to do it take it to a competant machine shop and get it checked. if warped it can be planed.
there is some reason the gasket blew. they dont just give out. tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#3
11-25-2005, 03:36 AM
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Quote:
The one on my 300SD gave up the ghost at 270k. Whistled like a mad man  Manifold was fine...head was fine...just a narrow spot in the gasket I guess. The new one is workin good
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#4
11-25-2005, 11:56 PM
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T. W. you are on the money
I finally got the thing apart and I can see something wrong - the offending exhaust tube was either not all there or was eaten away (by leaking exhaust ?) - the flat surface of the flange where the manifold bolts up the head is severly pitted and not all there where it needs to be flat at wide (to get a good seal). I'm sure a machine shop could plane it smooth, I'll have to work this. the car has 280K, although it has been consuming coolant (slowly) as of late, I've seen the temp get a little higher than I'd like on a few occasions (before stopping and putting more in). Looks like I need a parts 240D (for a home head rebuild) or a 5cyl turbo to **swap** *insert evil laugh here). I'm gonna flat-plate-sand the manifold as good as I can and throw it back together things are more clear to me now (but I still need a car for work on monday) -John -John
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2009 Kia Sedona 2009 Honda Odyssey EX-L 12006 Jetta Pumpe Duse (insert Mercedes here) Husband, Father, sometimes friend =)
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#5
11-26-2005, 12:38 PM
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be sure to
check with a straight edge and a piece of paper. if it wont hold paper it is not flat. if it is not flat a new gasket will not hold long if at all.
tom w i can see a turbo car might blow one out after a while since it is actually under some pressure and runs at a higher temp too, tending to want to warp things more often. tom w
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual. [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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