Question about 1996 GMC Jimmy

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No heat 1996 gmc jimmy!No heater control valve on either heater hose!Is there a valve in dash?

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Common issue with this vehicle is plugged heater core...check temp of hoses in/out of core

Posted on Nov 29, 2014

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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tripletauto
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SOURCE: 1996 GMC Sonoma heater core

the dash has to come out

Posted on Sep 11, 2008

SOURCE: 2001 gmc jimmy engine warm but heater blows cold air

Disconnect the heater hoses from the water pump and the intake manifold. Get a compressor and blow out the hose (put the air hose into the the hose that came off the mainfold. then flush the system and replace the antifreeze.

Posted on Dec 12, 2008

geraldo14200
  • 48 Answers

SOURCE: How do I remove the rear axle to replace the seal 1996 jimmy

You will have to remove the differential cover on the rear end, in the center of the gear cluster you'll have to rotate your axle until it exposes the ends of the axle shafts, push in the axles as far as you can from the brake pad assembly area, then, there this a C clips that slips into a groove on the end of the axle, you'll have to reove the C clip to pull out the axle.

Posted on May 12, 2009

  • 1201 Answers

SOURCE: wath P1406 Code means on a GMC jimmy 1996,

It's an egr valve problem (exhaust gas return) egr position sensor.
Take off the egr valve and turn it over and see if there is carbon build up in the ports, if there is clean it out with a pipe cleaner and a little carbon cleaner, just spray a little into the ports and clean it out. If that doesn't cure the problem, then either the sensor needs replacing, and or the egr valve.

Posted on Apr 15, 2010

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SOURCE: Heater on my 1999 GMC Sierra 1500 is not working,

REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP.MAKE SURE COOLANT LEVEL IS CORRECT IN RADIATOR. BECAUSE IF COOLANT LEVEL LOW YOU WONT GET MUCH HEAT.

Posted on Nov 28, 2010

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1 Answer

1996gmc jimmy sometimes the heat works and then it dont


Check coolant level first. It may be a clogged heater core. Feel the two hoses coming out of the firewall, both should be hot when up to engine temperature. If one hose is cold, your core is clogged. Unhook both hoses from engine, hook a garden hose in one hose and blow out the clog, pretty messy and gunky.

Feb 27, 2015 | 1996 GMC Jimmy

1 Answer

Heater not working from my 97 GMC jimmy. Change


Do you feel heat on both heater core hoses? If not then it might have a blocked heater core, low coolant level, defective heater control valve or a blend door issue.

Jan 04, 2015 | 1997 GMC Jimmy

1 Answer

No heat 2000 gmc jimmy new rad new tstat


HEATER CONTROL VALVE CABLE OR SERVO COMPONENT. MAKE SURE INLET & OUTLET HEATER HOSES ARE SAME TEMP

Sep 11, 2012 | 2000 GMC Jimmy

1 Answer

1996 ford explorer with no heat, replaced blem and thermostat still no heat


check your heater control cable and check your coolant control valve for vacuum operations. control valve located under hood @ coolant hoses leading to the heater core. cable operates a blend door inside truck under dash/behind glove box.. this should help

Aug 31, 2012 | 1996 Ford Explorer

1 Answer

Heater not heating ? both hoses hot , fan works but no hot air ?


is the climate control switching over like from floor to defrost to vent ? maybe the flap door not working in heater box.both hoses are hot but is water flowing thru heater core.

Dec 26, 2010 | 1996 GMC Jimmy

2 Answers

We live in a cold climate. Our 1998 GMC Jimmy Heater will not provide cabin heat. The engine warms normally. We replaced the thermostat just to make sure the coolant was warm enough. The blower operates...


UNHOOK BOTH HEATER HOSES AND FLUSH OUT HEATER CORE
DO IT FOWARD AND BACK FLUSH / COVER DIST. CAP OR YOU WILL
FILL IT WITH WATER / IF IT CLEARS OUT HOOK HOSES BACK UP AND
BLEED AIR OUT OF SYSTEM / IF IT DOES'T CLEAR OUT HEATER CORE
WILL NEED TO BE REPLACED (DASH COMES OUT TO DO HEATER CORE)

Dec 08, 2010 | 1998 GMC Jimmy

1 Answer

Where is the heater valve located on a 1998 GMC jimmy


There is no heater valve in that rig.The heat is controlled by the gates in the heater box as you adjust the temp setting from your controls.If you are having a heat problem check the gates operation for movment as you go from hot to cold.You may have to remove the glove box to do this along with the help of a friend if you need to look under the dash on the passenger side.

Feb 13, 2010 | 1998 GMC Jimmy

3 Answers

2000 GMC Heater Problem


I had problems with a similar truck,a 1998 GMC diesel after checking to make sure the control cables were operating the blend door and blowing the mess of the heater core,I replace the thermostats.Still no heat turns out there was a small amount of debris collecting in the fitting for the inlet hose at the thermostat housing after removing it and blowing out the lines the heat was fine.

Nov 19, 2008 | 2000 GMC Jimmy

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