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Two Feathers

33 Posts

Posted - 11 May 2011 :  08:52:08 AM  Show Profile  Reply with Quote
I have a 77 trans am with a 400. Does anyone have a trick on how to change the heater hose that disappears below the firewall? It looks like I have to remove the inner fender, and I don't want to do that.

Thanks, Don

Red Bird

844 Posts

Posted - 11 May 2011 :  4:26:15 PM  Show Profile  Reply with Quote
That's what I had to do. I took the bolts out and shifted the inner fender enough to gain access to the hose. Not that difficult. Good luck.

Everything Under The Sun Is Intune
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Two Feathers

33 Posts

Posted - 12 May 2011 :  08:44:48 AM  Show Profile  Reply with Quote
Thanks, I'll do that
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The Great White Buffalo

7293 Posts

Posted - 12 Jul 2011 :  09:00:39 AM  Show Profile  Reply with Quote
Back in my garage days, F cars were commonplace and typically the bolts were rusted and seized at the front of the wheel well. So we would cut an access hole to do the hose swap and then make a simple sheetmetal cover plate and attach with a couple of small sheet metal screws. Paint it black and it's un-noticable but there the next time you need it.

Bowties are for Pee-wee Herman. LS swaps in Pontiacs should only apply to Fieros.
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5448 Posts

Posted - 12 Jul 2011 :  10:01:27 AM  Show Profile  Visit cortcomp's Homepage  Reply with Quote

In most S-10s, Astro vans, etc. with the 4.3 the fuel pump seems to go pretty decently...it's not uncommon to see a square "U" shaped cut in the floor of an astro van or the bed of an S-10 allowing you to get right to the pump without dropping the rusty gas tank straps/bolts or taking the bed off. Mines one of them. I just tack welded it back down when i was done, and put a healthy bead of RTV over it.

That astro access hole and the Fbody access hole prove that the factory didn't get everything perfectly all right....cars need to be designed for service a little more!
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Crazy Horse

845 Posts

Posted - 12 Jul 2011 :  5:58:27 PM  Show Profile  Reply with Quote
I used Phil's trick on my Dad's old 65 Catalina back in the early 70s. I need to put a heater fan in my Bonneville but I ain't cutting my inner fender up. I'll have to take it off.
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