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+--- Thread: Exhaust heat shield fitting (/showthread.php?tid=692)
Exhaust heat shield fitting - Crankster - 10-09-2023
I'm looking to fit an exhaust heat shield. A similar item is shown at JK.
![[Image: JP-8182600500.jpg]](https://www.autohausaz.com/images/JP-8182600500.jpg)
https://www.justkampers.com.au/vw-t2-bay-window-parts/t2-bay-exhaust-parts/1700-1800-2000cc-exhausts-heat-exchangers/039119227-exhaust-heat-shield-1700-2000cc-t2-bay-1972-1979.html
I didn't have one before and just checking how they are meant to be mounted. It looks like they attach to the tinware under the fan as that is how most of the holes line up (except the right one grrrrrr). Is this correct ?
RE: Exhaust heat shield fitting - Barry - 10-09-2023
This is how mine is attached
RE: Exhaust heat shield fitting - Crankster - 10-09-2023
(10-09-2023, 03:28 PM)Barry Wrote: This is how mine is attached
What a great looking motor ! Thanks for posting. Looks like I got it right. It took a lot of 'massaging' to get all the tinware and shield to line up.
RE: Exhaust heat shield fitting - Andy. - 11-09-2023
(10-09-2023, 09:11 PM)Crankster Wrote: What a great looking motor ! Thanks for posting. Looks like I got it right. It took a lot of 'massaging' to get all the tinware and shield to line up.
that's certainly how they fit. Is it just an aluminium panel?
The factory ones were three layers, steel top and bottom but a heat resistant material in between (asbestos??)
They worked well, but the matting in between absorbed moisture caused them to rust out. They were also quite heavy!
I still have an original on my bus
RE: Exhaust heat shield fitting - Barry - 12-09-2023
(11-09-2023, 10:53 PM)Andy. Wrote: that's certainly how they fit. Is it just an aluminium panel?
Correct
RE: Exhaust heat shield fitting - Crankster - 16-09-2023
The one i bought is a single layer of quite solid steel. Certainly lacking any insulation. It provides an air gap only. Our previous engine didn’t even have one.
RE: Exhaust heat shield fitting - Mordred - 17-09-2023
Yes, the original one was asbestos inside, and Type IV should all have one as it reduces the heat being radiated on to the tin ware and being drawn in by the cooling fan.
I would suggest a heavy steel one would be ok, but once heated may be less effective that the original, but still a way ahead of not having one at all.
Adrian
RE: Exhaust heat shield fitting - Barry - 17-09-2023
The heavy steel would retain heat longer.
Aluminium should radiate the heat quicker.
As Adrian said, something is better than nothing.
I’m sure there is some heat insulation I can stick onto mine
RE: Exhaust heat shield fitting - Andy. - 17-09-2023
You could attach some of the exhaust wrap material from auto parts stores.
I'd put it on the top side of the aluminium plate.