81 Heater Core Replacement
Thread Starter
Le Mans Master
Joined: Feb 2000
Posts: 7,032
Likes: 2
From: Newburgh NY
81 Heater Core Replacement
My buddies 81 (with A/C) has a leaky Heater Core. I'm gonna swap it out for him. Also, the bowler motor stopped working (fuse, motor, connection?).
In the past I saw several websites with the steps for replacement on it. I know it's not an easy job and I believe have to go in through the dash.
Anyone know of a couple of good links to info?
Thanks
In the past I saw several websites with the steps for replacement on it. I know it's not an easy job and I believe have to go in through the dash.
Anyone know of a couple of good links to info?
Thanks
Team Owner
Joined: Aug 1999
Posts: 30,995
Likes: 99
From: Ontario
Re: 81 Heater Core Replacement (78Vette-SA)
There may be some hints here.
http://www.tonyscorvetteshop.com/1970HeaterCoreRpl.htm
http://www.tonyscorvetteshop.com/1970HeaterCoreRpl.htm
Burning Brakes
Joined: Aug 2002
Posts: 1,146
Likes: 10
From: Scottsboro Alabama
Re: 81 Heater Core Replacement (78Vette-SA)
I can tell you it's a PITA. :cuss
Make sure you check your replacement core for leaks before you install it. I didn't and had to do it twice. :cuss :mad
Make sure you check your replacement core for leaks before you install it. I didn't and had to do it twice. :cuss :mad
Melting Slicks
Joined: Oct 2000
Posts: 2,144
Likes: 195
From: Englewood FL
Re: 81 Heater Core Replacement (78Vette-SA)
An easy way to check the new heater core for leaks before installation
is to use a bicycle tube. Cut the tube in half and slip each end over
the necks of the heater core and secure with hose clamps. Fill the
tube with air and immerse the heater core in water and watch for
bubbles.
Recommend doing this as have seen new heater cores leak.
is to use a bicycle tube. Cut the tube in half and slip each end over
the necks of the heater core and secure with hose clamps. Fill the
tube with air and immerse the heater core in water and watch for
bubbles.
Recommend doing this as have seen new heater cores leak.
