LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Heater core hose install?

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Old 10-08-2004, 09:27 PM
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Heater core hose install?

The plastic part on the heater core hose broke and I would like to change it. Is it a difficult process? Is there a write up about it somewhere? Thanks!
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Old 10-09-2004, 07:25 PM
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Re: Heater core hose install?

I just had to do this... I removed th 3 bolts holding in my glove box and removd it. Then there is ~5 lil bolts I think holding the heater core housing together. There is 1 bolt holding the outsite of the heater core down under the hood (right where the hoses connect to the heater core at the firewall).

remove those 2 hoses, the glovebox and the bols from the heater compartment. Pull the plastic off after unbolting it and you will see the heater core. It takes a little finesse to slide the heater core out but it does come out rather easily.

I spent an hour and half (including a quick trip to Autozone to get a new one). Hope that helps.

Its not really that difficult and I was suprised at how easy it was.
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Old 10-09-2004, 09:04 PM
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Re: Heater core hose install?

Originally Posted by S8ER95Z
I just had to do this... I removed th 3 bolts holding in my glove box and removd it. Then there is ~5 lil bolts I think holding the heater core housing together. There is 1 bolt holding the outsite of the heater core down under the hood (right where the hoses connect to the heater core at the firewall).

remove those 2 hoses, the glovebox and the bols from the heater compartment. Pull the plastic off after unbolting it and you will see the heater core. It takes a little finesse to slide the heater core out but it does come out rather easily.

I spent an hour and half (including a quick trip to Autozone to get a new one). Hope that helps.

Its not really that difficult and I was suprised at how easy it was.
WOW,

You make it sound as if it were rather EASY, I might just go do mine tommorow now... hehe
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Old 10-09-2004, 11:19 PM
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Re: Heater core hose install?

Originally Posted by S8ER95Z
I just had to do this... I removed th 3 bolts holding in my glove box and removd it. Then there is ~5 lil bolts I think holding the heater core housing together. There is 1 bolt holding the outsite of the heater core down under the hood (right where the hoses connect to the heater core at the firewall).

remove those 2 hoses, the glovebox and the bols from the heater compartment. Pull the plastic off after unbolting it and you will see the heater core. It takes a little finesse to slide the heater core out but it does come out rather easily.

I spent an hour and half (including a quick trip to Autozone to get a new one). Hope that helps.

Its not really that difficult and I was suprised at how easy it was.

That about it. Took me about 90 minutes too, $65 lifetime warranty core from autozone.
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Old 10-10-2004, 10:37 AM
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Re: Heater core hose install?

Seriously after hearing horror stories from Ford Taurus cars and various other cars..I was not please that mine broke.. when I saw coolant on the carpet the day I started my car for the first time I was pissed... however as soon as I started in on it.. it was really easy and I wasnt as mad anymore.
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Old 10-10-2004, 12:47 PM
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Re: Heater core hose install?

Thanks so much for the help guys. But, what I was looking for was the hose that runs from the front of the motor back to the heater core. Thats what broke and needs to be replaced. Any ideas there?
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Old 10-10-2004, 06:33 PM
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Re: Heater core hose install?

Hmm..have you checked Shoboxs page for part numbers?
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Old 10-10-2004, 07:01 PM
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Re: Heater core hose install?

Do a search. This came up pretty recently.
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Old 10-10-2004, 07:22 PM
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Re: Heater core hose install?

I knew someone would say that. I actually did a search already and came up with heater core replacement but thats not what I need. I need the hose that goes back to the heater core.
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Old 10-10-2004, 08:00 PM
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Re: Heater core hose install?

I couldnt find it either. I'll post up the pns for you in a bit, gotta go somewhere atm
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Old 10-10-2004, 08:04 PM
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Re: Heater core hose install?

Number 13 here on shoebox diagram?:
http://shbox.com/1/heater_hoses.jpg
GM 10188036 [about 8 bux or so from Cromer etc] is the only 'plastic thing' I recall..
It's a 'flow restrictor valve' in the heater hose that's plastic?
You can cut the aluminum crimped clamps off with a Dremel [cut gently thru it and then put a screwdriver into the slot and split it off there]
Then replace that restrictor, and use 2 regular screw type heater hose clamps..
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Old 10-11-2004, 12:38 AM
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Re: Heater core hose install?

^ all the part #s are on there. Good luck
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Old 10-19-2004, 02:23 AM
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Re: Heater core hose install?

Is that flow restrictor a required part?

My 95 TA (just bought in July) has the heater core bypassed. Since it is starting to get cold out, I went ahead and replaced it (easy to do). I did not want to take a chance of it having a leak after I flushed the system.

The guy I bought the car from just used some splices and made the heater hose loop around and put the bleeder valve on top. Hard to explain, but I want to put it back to stock so I can have some heat this winter.
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