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Discussion Starter · #1 ·
My wifes vehicle had this terrible burning rubber smell which has significantly got worse over the years regardless of whether the heater was on or off, and has since transpired that this is down to a leaking heater core.

As Chevrolet are no longer supported in the UK by the dealer that supplied this vehicle it is proving extremely difficult to source spare parts in the UK, i managed to secure a salvaged heater core unit from a company via ebay which externally appears to look OK.

However, before i get started on the replacement i wondered if anyone could provide advice on the following;

Best way to test heater matrix before it is installed in the vehicle, as if this is a dud will most likely have to contact local radiator specialist to see if the can repair/recore.

Also, it looks like there is a lack of manuals available and not sure if Haynes even published one. And as the whole dash needs to be removed any guidance/tips would be appreciated. There is a 41 second yes 41 second video available on youtube, but due to its speed would have to do a frame by frame screen grab to make sense of it.

I have undertaken many car repairs from replacement cambelts, clutches etc so not afraid to get my hands dirty!

Thanks

Richard.
 

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This video:


Shows the dashboard removal in detail, although he is actually taking it out to deal this the A/C cooling rad rather than the heating one.

Yes, no support, no good parts suppliers, no manuals, that's the way it is.

You will have to come up with a way of attaching some hoses to it and a shrader valve to apply a bit of pressure if you really want to test it. (either by testing it like a tyre in a bath of water, or filling it with liquid).
 

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Discussion Starter · #3 ·
Thanks, my grasp of punjabi is not that great, but get the general gist. Do you know if there are any good manuals available for the Beat/Spark, seen loads of online stuff but no idea if they are any good. Going to cobble together an old bike inner tube cut either side of the valve fix each end with a hose clip, submerge matrix in tub of water and pump up to about 30psi and see if any leaks...
 
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