How to fix engine cover insulation?

[tfelzq]

I purchased this Vanagon and did a total engine rebuild. The engine cover is in bad shape. As you can see in the picture, it's gotten a little too hot. Now when I put it down, some of the insulation always falls onto the engine. Do you guys have any suggestions for what to recover it with or replace it with?

Specifically, that part in the top left keeps raining down black particles.

Thanks for all your help

[JudoJeff]

I pulled that off, and added FatMat sound deadening. Some claim it'll drip tar, I haven't seen any yet.
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1989 Vanagon GL Westfalia Camper, Burned up on 7/31/16.
1987 Vanagon GL Westfalia Camper, Bostig & Rebuilt, sold
1986 Vanagon GL Westfalia Camper, Bostig Sold May 10, 2021
1999 Ford GTRV Westfalia camper (30% bigger Westy layout)

[bluebus86]

https://www.summitracing.com/search?PageSize=100&a...insulation


good luck
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[Jeffrey Lee]

I replaced my crumbling, oil-saturated foam with two 1/2” layers of dense, closed-cell EVA foam, used for fitness-room flooring: http://amzn.to/2pXmIde

Easy to cut to size and shape, and after four years has proven to be oil-resistant. It’s perhaps no quieter than the original, but will not absorb oil or fuel to create a fire hazard. I suggest contact cement, as a couple other adhesives I used did not last: http://amzn.to/2qSBF4Y
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[WestfaliaMike]

I know this is an old thread.
I had the same issue, I replaced the oil soaked insulation with Fat Mat. The cover seems to be cooler, little less noise, and the cover is much lighter


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1981 Vanagon Westfalia
1983 Vanagon Passanger (Parts Vehicle)
2016 Passat TSI

[joetiger]

Dynamat hood liner and aluminum tape, made a big difference in sound:

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Joe T.

'86 NAHT Vanagon GL Syncro/ supercharged ABA 2.0 "Pigpen"
'04 GTI 1.8T
'04 Golf R32

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[pdm777]

Plastidip spray in grey is what I used.
EASY- Clean with solvent, spray.

Three years later, still looks new.

This seals up the dry crumbly bits and puts a new skin
on the foam.
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1990 Westy Full Camper

[andrewvwco]

[Zeitgeist 13]

You can buy a set of four 2'x2' panels at HF for somewhere around $9, which is more than enough to fit the lid. I'm thinking about using that stuff to insulate the bulkhead above the transmission.
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Casey--

'89 Bluestar ALH w/12mm Waldo pump, PP764 and GT2052
'01 Weekender --> full camper
y u rune klassik?

[Jeffrey Lee]

[Zeitgeist 13]

Based on the excellent information in this thread I successfully completed my own lid re-insulation project. It really quiets things down nicely. It's not as clean looking as some of the others, but it certainly does the job.

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Casey--

'89 Bluestar ALH w/12mm Waldo pump, PP764 and GT2052
'01 Weekender --> full camper
y u rune klassik?

[MsTaboo]

Looks good. I still wonder about any foam based product being susceptible to fire vs the aluminum/ceramic/fiberglass type products.
(of course you've got a diesel, so much less danger there!)
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Currently:
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[Zeitgeist 13]

Yeah, I'm a little paranoid about the foam separating and then dropping on to a hot turbo
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Casey--

'89 Bluestar ALH w/12mm Waldo pump, PP764 and GT2052
'01 Weekender --> full camper
y u rune klassik?

[Steve M.]

I would use the Lead vinyl sound insulation foam.
Or also call mass-loaded sound insulation.
It is probably what Summit Racing sells.
Basically it is two layers of foam sandwich with a sheet of heavy vinyl in the middle. One side would be covered with an aluminized or mylar sheet.
You buy a roll of mylar tape to seal the edges.
I've done whole engine rooms using this on the walls and deckheads.
It works fairly well. Use 3M Contact spray adhesive.
The mylar facing on it protects the foam from the oil sprays and mists that comes off engines.
https://www.westmarine.com/buy/west-marine--noise-control-barrier-material--P006_180_006_004
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[Franagon]

The close cell EVA foam is heat resistant enough? That is my only question. I was envisioning doing the layer of fatmat...

Thanks
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84 Westy Wolfsburg Manual - RG6 Bostig

[nmerrill]

[vrgruver]

The engine insulation in cars is supposed to also act as a fire smothering blanket. On cars, the plastic attachment plugs are made to melt easily with fire allowing the insulation blanket to fall onto the engine and smother the fire.
Sheets of this can be found at race shops.