Well this has to be the worst thing to change,My heater is leaking from under the right side dash. I had to cap off the lines till I can get in there, now I'm hoping that someone has an idea or trick to getting it out, I'm in the process of replacing the carpet so it's gutted right now! should make it easy'er to get at it? I've got a spare 84 parts car with it still in it, hope it's good. Just wondering if anybody had some info on it before I tear something out I don't need to?

 

Go here:
https://www.thirdgen.org/newdesign/t...atercore.shtml
It is a big Pain In The A**! You might want to get your hands on a manual that has pictures in it. It will make it easier.

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88 White Formula 305 TBI With A New CD Stereo and Abolutly Nothing Else Done To It!

 

Do a new core. They are under 50 bucks so why mess with a used one.

 

I paid $25 for mine with a lifetime warantee. It wasn't that bad of a job. took about 3 hours. Other than the hoses, I was able go get to everything else from under the dash.

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89 Transam GTA, 350TPI, auto, 3.27 rear, dual cats, gray.
Magnaflow cat-back,
K&N open element,
Best E.T. 14.63@95mph

 

ahh hahahahaha I just did mine a few weeks ago. HAHAHA good luck, thats all I can say. It was easy but it took forever. And i garauntee you'll swear a little bit so get everyone around you AWAY.

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1992 Pontiac Firebird
- 305ci V8 TBI / Automatic Trans / Loaded
- MODS: Edelbrock 14x3 Open Element Air Cleaner, Dual outlet exhaust
1985 Chevy Z28
- 350ci V8 TPI / Automatic Trans / Paid $200 for it
- In the process of restoration!

 

After I did my core, I could appreciate why mechanics charge $60 an hour. It's not really hard but just taking every F***ING screw out of the dash and then everything in it and under it.

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88 White Formula 305 TBI With A New CD Stereo and Abolutly Nothing Else Done To It!

 

i'd recommend an $8 flexshaft. Would have saved me a big owwie from punching the fridge later on after i got coolant in my face.

 

I got a new heater core for $18 with a lifetime warranty at autozone. To make the job a lot easier, take the dashpad and the passenger speaker out and then you can reach the "hidden screw." Use the shop manuals for pictures, but don't believe them when they tell you to take apart the whole dash, steering column, center console, etc. I think there is a tech article somewhere with really good pics also.

 

What year is your car? On the earlier models, it's very easy to change. In my 82, I took out the pass seat and came in through the bottom and finished the swap in 30 minutes without breaking a sweat or cursing once.

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82 Camaro:
350
Erson cam, ported heads,Comp Cams 1.6:1 rocker arms
Edelbrock Performer RPM intake, Holley 600
Crane Hi-6 ignition, Accel supercoil
TH350 tranny with 2500 stall.
Eibach Pro Kit
SLP 1 3/4" headers