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Replacing heater core in 2001 gmc jimmy - 2001 GMC Jimmy

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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justuscc
  • 360 Answers

SOURCE: 2001 GMC Jimmy Heater Core Replacement

back by the exhaust up around the case verry hard to get to good luck jimmy rate as fixya

Posted on Sep 25, 2008

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WarHog
  • 9 Answers

SOURCE: 94 GMC Jimmy heater fan not working

if you hear the fans blowing and no heat is coming
then you mite have to replace the heater.

before you try to replace the heater talk to Lords

Posted on Dec 04, 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

  • 21 Answers

SOURCE: 1998 Jimmy-heater core

Heater core is located under the dash board, as Jenkins said you need to remove the dash board amd all other panel to access it, you will have to spend at least 2 hours to remove them if you're not familiar with it, becareful not to break plastic locks and tabs. Get your self a service manual for your car and it will be a great help.

Posted on Mar 17, 2009

emissionwiz
  • 76118 Answers

SOURCE: how do you remove a heater core from a 1999 gmc

The instrument panel carrier is designed not only to provide access to parts through removal of the carrier components, but the carrier will also tilt downward as a complete assembly to allow access from the top. If this is desired, remove the retainer screws along the top and bottom of the carrier assembly (refer to the figure). The instrument panel will then tilt as an assembly into the cab. It is necessary to unbolt and lower the steering column from the carrier to allow for maximum movement of the instrument panel. OK you'll find and remove two screws in each of the defrost vents, that done now start on the passenger side by removing the side kick pad, 4 screws, now remove all the screws along the bottom of the dash, there should be 8- 1/4 head screws and three black plastic peaces will come out once you've got them all out, a long one on the passenger side, one under the steering wheel, and one small one by the fuse box, now there is one more panel to take off right under the calum you need to do this to get to your calum nuts, Oh the park brake cable needs to come off there's spring on the cable by the little lead ball on the end you need to compress it to get it over the fork in there, you'll see. OK now you have to locate four 3/8 head screws along the bottom one in each corner of the dash, one in the middle, and fourth one is up by the sheering calum nuts the nut close to the passenger side, now if yours has a tray in front of the center Counsel it is a good time to remove it three Philips screws and unplug the wires, I took this out because I need to wash all the anti freeze out of small duct pieces and the foam inside OK now turn the key on and shift the shifter to low to get the handle out of your way for later, ( UPDATE remove the plastic shifter indicator cable, you'll find it clipped on the part of the calum that moves as you shift, it will just push off, it should be on the right side under the calum nut if you don't the indicator won't work right ) remove the two steering calum nuts and pull the the calum down, time to move to the passenger side again, I did take the radio out but I found I didn't need to it will cut down on the weight though. OK now start to lift and pull and just keep working it out If you need a picture of where the heater core is and what it looks like send me a e mail at windwalker.xc@gmail.comand I'll send you a picture I took of mine, anyways keep working it out till it's about a foot and a half out, now if it's not coming out check to see if a wire is holding you back I had a white one from the firewall and the wires for the computer needed to be worked and loosened a bit. OK now it's time to go after the heater core, the heater core cover has six screws holding it on, three up top and three on the bottom none are hid like some say in the forums, now move that cover to your right to brake it free, the foam on the left side is what is holding you back just rip it on the top and bottom fix it later, with that cover out of the way you should see the core now, on the sides you'll see a steel strap each strap has two screws holding it in place, remove them. OK now go out and under the hood, I found just cutting the hoses off at the core pipes worked for me if yours come off easy do that mine were not coming off, you will see a bracket in between the to pipes it is held there with a small screw, remove this screw then the bracket, because it won't pull through the fire wall, trust me, jam some rags in the heater core tubes so anti freeze doesn't spill out as you pull it through the fire wall, time to go back into the cab now. OK now just remove the old core and put the new one in, go out under the hood put your bracket back on, put in the screw then the hoses, go back to the cab and replace the heater core cover, put in your six screws, Now with the cover back start working the dash back into place, remember any wires you unplugged need to be replugged Eh. once the dash is in place I put the top screws in first, the ones up top at the defrost ducts, not all the way in mind you, because you'll need to move your dash around a bit to make sure all the screws on the the bottom line first

Posted on Oct 23, 2009

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1 Answer

Replacement heater core


Any auto parts store can provide a replacement heater core.

Feb 13, 2012 | 2001 GMC Jimmy

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Replace heater core


Hello,

To replace the core of your GMC 2001 Jimmy, You will be needing these instruments, Repair manual, Socket set, Screwdrivers, once You have them together, please follow the steps below:
  1. Lift up your car's hood and locate the heater core. If you are not sure where the core is located, an auto parts store employee or a repair manual can help.
  2. Remove the screws or bolts that hold the heater core in place. You may need to remove other parts of the car before being able to access the heater core.
  3. Disconnect the intake and outtake hoses from the heater core. You may need a special tool to remove the couplings that connect the hoses to the heater core (refer to your car model's repair manual.)
  4. Remove the heater core. Be careful not to tip the core over, as coolant will leak out.
  5. Reconnect the upstream and downstream hoses on the new heater core in the same matter that they were attached to the faulty core. Leaks can occur if the hoses are not connected properly.
  6. Screw or bolt new heater core in place.
  7. Finally, replace all of the removed car parts.
That is how to replace Your heater core.
Hope this was helpful. Thank You for using FixYa!!!

Jan 12, 2011 | 2001 GMC Jimmy

4 Answers

My 2001 GMC Jimmy is not blowing warm/hot air. The temperature is slightly elevated but not overheating. When going uphill sometimes will blow warm air but for short period of time. Coolant levels are...


Let the vehicle warm up to normal operating temprature, touch the heater hoses going into the firewall to the heater core, they should both be hot, if only one is hot the heater core is stopped up. If this is the case you will want to try flushing it before you replace it. If you have to replace it be prepaired to spend $400.00 or more depending on shop rates. NOTE: BE CAREFULL WHEN CHECKING HEATER HOSES YOU COULD GET BURNED! Thanks and good luck with your repair.

Nov 06, 2009 | 2001 GMC Jimmy

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If yoou are working on a 1997 GMC Jimmy S or T-10 the assembly must come out to access heater box removal to replace heater core.

Aug 23, 2009 | 1997 GMC Jimmy

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may be under hood on firewall

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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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2001 GMC Jimmy Heater Core Replacement


back by the exhaust up around the case verry hard to get to good luck jimmy rate as fixya

Sep 15, 2008 | 2001 GMC Jimmy

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NEED TO REMOVE DASH TO REPLACE HEATER CORE ON 1995 GMC SONOMA


yes you have to remove the whole dash assambly to replace the heater core..have fun i had to do mine twice.my new heater core lasted about 6 months.

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