Heater core
well my heater core went out did not leak on the floor is just put it on the windsheild. who would have the best heater core on the market now, that AC is not servcing this one any more? .and rebuilding this one is not a option.also the good news is that I am not going to be the one to change this one out!
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Re: Heater core
Lyndon------
The GM and Delco core is discontinued. However, I doubt very much that these cores have been manufactured by GM or, even DELPHI-Harrison, in many years. I expect that there is only 1 manufacturing source. I'd probably go with a Spectra-Premium core.
Unfortunately, while C4 radiators were aluminum, C4 heater cores were never converted to plastic/aluminum and remained copper/brass right through the end of C4 production. This leads to problems with the solder joints, especially when used with Dex-Cool specified for later C4's. I recommend the use of Zerex G-05 for all C4's.
Good luck with the heater core replacement. Get ready for a shocking shop bill given the number of labor hours required for this job. Mitchell's gives 3.5 hours for the job. If you can find a shop that will give you that on flat-rate, TAKE IT!In Appreciation of John Hinckley -
Re: Heater core
yes I run the G- 05. Should be about 4.5 hours the shop has a labor rate of 55 a hour. so a specta core. thanks JoeComment
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Re: Heater core
Lyndon changing the heater core on your year of C4 is not really really to hard of a job. My opinion is that I would rather do it than let someone who has never changed one on your year of C4. I did my 1985 a few years ago and would do it again if I had to. I was patient and used my C4's shop manual for my only helper. The heater core change on my air conditioned 1970 was about the same task. Just took my time.Comment
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Re: Heater core
I am at the age in my life that I would rather pay someone than have my self to it. Twenty years ago I would have done itComment
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