Question about 1994 Chevrolet Suburban
I came out of work today and noticed water dripping from under the passenger door, I knew immediately it was the front heater core from previous experiences. I have heard the dash has to be removed for access to the core. Is this true, and where can I get detailed instructions for R&R?
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Posted on Jan 02, 2017
SOURCE: Remove Dash On 1988 Camaro IROC
You do not have to remove any part of the dash at all! All you have to do is use a socket wrench from the front of the box with an extension over the top of the box. There is even a dip in the box at this point that may have been designed to make it more accessable. I have a 1988 Camaro and removed this impossible to reach 5th bolt by using a 9/32 socket and an extension or two to get the right lengths and a universal joint for easy manouvering. My son helped by holding the socket on the bolt while I did the unscrewing. It helps to have a good variety of socket wrench extensions and a universal joint and a skinny arm to get behind the box. The fifth bolt is about 3" in from the upper right bolt. Same size bolt as the other 4.
Posted on Jul 14, 2008
SOURCE: 86 IROC heater core
Removal & Installation
1.Disconnect negative battery cable. Drain cooling system. Disconnect heater hoses from heater core, and plug openings. Detach hood release cable. Remove both dash side panels. Remove left and right lower dash trim panels. Remove glove box. Remove 7 screws securing center accessory console. Disconnect wires on accessory console, and remove accessory console. Remove control cables at heater case.
2.Remove 4 bolts securing steering column to instrument panel. Lower steering column. Remove 2 bolts from instrument panel mounts at far left and right sides of instrument panel. Remove defroster duct trim on top of dash. Remove instrument cluster screws. Pull instrument cluster out slightly. Disconnect electrical connections and speedometer cable from instrument cluster. Remove instrument cluster.
3.Disconnect all electrical connectors from instrument panel. Remove parking brake console. Remove glove box. Remove bolts securing instrument panel support to floorpan. Remove all instrument panel mounting bolts. Remove instrument panel.
4.Separate heater case from blower. Remove 3 nuts and pull heater
Posted on Dec 06, 2008
I had the same problem. everybody wanted $400 to $600 to re-place. The core only cost $45.00. Go to the passenger side and look at the core cover. It looks like an oil pan. If there are screws around it,un-do the screws and the bottom of the box comes out and there it is. It took me 20 minutes to change. don't be afraid to open it. if there are screws ,there's 6 you can get at,but there's one in the back on the left hand corner that's a little tough to get at. good luck john
Posted on Jan 04, 2009
SOURCE: 1978 chevy scotsdale heater core
does it have a/c,,not hard to do ,,pull glove box,,there are some screws be hide it u need to get out,&any other that hold the heater core cover & blower assembly on
Posted on Feb 03, 2010
Testimonial: "ill give it a shot no ac just never changed one and it has leaked all over inside ty ill go have a go at it"
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