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Old 07-10-2014, 11:00 PM   #1
CCCC
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Join Date: Mar 2007
Location: San Pedro River, SE Arizona
Posts: 734
Leaking heater - easiest way to R&R?

The heater is leaking coolant into the cab - 1970 GMC factory air setup. Wishing to get the heater section apart and deal with the core and/or connections in easiest/simplest way. Have looked it over carefully under the hood and in cab - looks like the heater section of the in-cab unit may come away from the rest. Is this the case? If so, best way?

Anyone done this job and have info/advice for a first-timer?
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CCCC
67 Sting Ray Coupe 327 4sp; 68 K10 Suburban 327 4sp; 69 K20 Lifted 383 4sp; 69 C80 Fire Truck 478 V6 5sp/2sp; 69 C20 Longhorn 327 4sp; 70 C30 Wrecker 350 4sp; 70 C30 Flat Bed 350 4sp; 71 C20 LWB 350 4sp; 72 K5 Blazer 350 4sp; 72 C30 Flat Bed Gooseneck Hauler with sleeper 350/TH400; 72 C20 Longhorn 402 4sp; 52 Mack LTL Supercharged Cummins 5sp x 3sp; 01 Dodge 5.9 HO Cummins 6spd; 02 Safari Trek 2430 8.1 Vortec on Workhorse Chassis; 03 Silverado 2500 HD 4wd Duramax/Allison
Moved but still in the family
70 C20 Custom Camper 350/TH350; 72 K5 Blazer CST Highlander 350/TH350
Recently sent to new homes
72 C30 MoHome 402 4sp; 72 K5 Blazer Conv 350 4sp; 75 GMC 6000 Aerial 350 w Allison; 72 GMC 3500 Utility 350 4sp; 70 GMC 3500, 350 4sp
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