Heater matrix

Heater matrix (Full Version)

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charger01 -> Heater matrix (Dec. 21 2007 15:54:48)
Has anyone replaced the heater matrix on a cherokee jeep (R-reg) .Any tips? T.I.A

neilaura -> RE: Heater matrix (Dec. 22 2007 18:29:08)
I've been here in the US a long time now so I have to ask. What year's an 'R' reg?

charger01 -> RE: Heater matrix (Dec. 22 2007 19:07:15)
97 mate

dj -> RE: Heater matrix (Dec. 23 2007 18:10:31)
its a 2 hour job and make sure the whole system is vented/bled thru once the swops been done, or for a simple fix try one a these suckers,have used them a few times and 100% every time.[;)] and they dont block up rad or need flushing out after use, just leave em in and they work every time.thry even work with your anti freeze still in the system[:)][:)] MAGIC. http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=270198291289&ssPageName=STRK:MEWN:IT&ih=017

charger01 -> RE: Heater matrix (Dec. 23 2007 23:39:12)
DJ thanks for the reply, does the dash need to come out or is it just a case of stripping out the glove box etc to gain access? Its on my Dads motor I havn`t had a look yet but he is coming down with it over the hols to swap it out. Adrian[sm=scratchchin.gif]

dj -> RE: Heater matrix (Dec. 25 2007 21:41:57)
quote: ORIGINAL: charger01 DJ thanks for the reply, does the dash need to come out or is it just a case of stripping out the glove box etc to gain access? Its on my Dads motor I havn`t had a look yet but he is coming down with it over the hols to swap it out. Adrian[sm=scratchchin.gif] its a while since i rolled about upside down under them dash boards buddy but am sure you can just remove the trim and insulation the n/s dash and pull the clips on firewall so the matrix comes down slightly and then reveals the 10 millys that splits it in half so the little radiator comes out, there is plenty a room under the cherokee to get your arms unlike some a the american cars we all use every day so you will be ok, ???as it been working and just dribbling or is it just not getting warm cos sometimes there just bypassed under bonnet fella.

neilaura -> RE: Heater matrix (Dec. 25 2007 23:33:31)
How Chrysler says to do it. HEATER CORE Removal and installation. Drain cooling system. Disconnect heater hoses from heater core tubes. Remove heater housing -See HEATER HOUSING-. Separate halves of heater housing. Remove heater core from lower housing. To install, reverse removal procedure. HEATER HOUSING Removal and installation. 1) Disconnect negative battery cable. Drain cooling system. Disconnect heater hoses. Remove instrument panel -See INSTRUMENT PANEL- Disconnect electrical connector located next to blower motor relay. 2) Disconnect vacuum supply hose from 'T' fitting located near heater core tubes. Remove 5 heater housing mounting nuts from studs in engine compartment. Pull heater housing rearwards, far enough to clear studs and heater core tubes. Remove heater housing from vehicle. INSTRUMENT PANEL Removal and installation. 1) Place front wheels in a straight ahead position. Disconnect negative battery cable. Remove left and right cowl side inner trim panels. Remove knee trim panel from below steering column. Remove instrument panel central bezel, instrument cluster bezel, and top cover. Remove center support bracket. 2) Remove steering column. Remove retaining screw from instrument panel-to-headlight and instrument panel-to-floor electrical connector. 3) Empty contents of glove box. Roll down glove box by removing stops of glove box. Reach through glove box opening and unplug vacuum harness connector. Disconnect antenna cable from radio. Remove temperature control cable and blend-air door crank arm from heater housing. Loosen roll down pivot bolts. 4) Remove bolts and nuts securing securing top of instrument panel to dash panel at base of windshield. With help from an assistant remove instrument panel from vehicle. 5) To install, reverse removal procedure.

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