Question about 1991 Chevrolet S-10
How do i replace heater core
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Heater Core
1) disconnectnegative battery cable
2) remove coolant reservoir
3) dis-connect heater hoses from heater core and plug holes in heater core, some coolant will drain out
4) remove mounting bolts and nuts on fire wall
5) remove glove box liner and door
6) lable and dis-connectheater controls
7) dis-connectand remove computer and mounting bracket
8) move radio antenna wire
9) remove kick pannel and un-bolt lower corner of dash
10) remove screws and nuts holding the housing inside the cab
11)remove the heater housing from the vehicle
12) detatch the core retaining straps and remove the heater core
13) installation is this procedure in reverse
I hope that this fixes your problem good luck and please take the time to rate this response.
Posted on Oct 17, 2008
Here a are the instuctions to remove it. I did not know if you have A/C or not so I included both for you.
REMOVAL & INSTALLATION
Without Air Conditioning
See Figure 1
Posted on Nov 28, 2008
it is located under the dashboard against the firewall of the passenger seat. i recomend buying a repair manual from your local auto parts store before attempting as it requires draining, flushing, refilling and bleeding the cooling system as well as removing many other componets like the entire dashboard and thermostat
Posted on Dec 01, 2008
The link below helped with mine and has pictures as well. Good luck!
Posted on Oct 07, 2009
As with all vehicles it seems the first part that they build around is the heater core. It is under the dash above the floor housed in a black plastic sealed box. Sealed with goop. Locate that box and start removing everything around it that is peventing taking the cover off. Of course disconnect the heater hoses under the hood a thefirewall.
Warning it is never as easy as it sounds.
Posted on Nov 29, 2009
Tips for a great answer:
Feb 03, 2016 | 2005 Chevrolet Chevrolet Impala LS
Oct 09, 2015 | 2000 Oldsmobile Intrigue
its clogged it can be cleared with the use of Garden hose p[ump.The water has
to be turn into the heater hose line and then water has to be removed
out via the pump.
complete step by step procedure,refer heater core flushing and other help links
the link below:-----
Click the link below:---
These will help.
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