Question about 1997 Chevrolet K1500

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My 1997 Chevrolet 1500 pickups heater doesn't work at the AC/heater control head. I recently just replaced the AC evaporator core. So when I push the temperature to hot the digital display just flashes dotted lines. The AC works great. I've reset the AC head my disconnecting it at the back of the module and also disconnected the battery. Please someone help me its getting cold outside.

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Anonymous

  • 1010 Answers

SOURCE: heater core on a 2003 Chevrolet pickup 4 wheel drive crew cab

if you have air conditioning you will need to take it to a garage and recover the r134, you will need to remove the dash to allow you to remove the heater box, it's an ugly job, I've done a dozen or so and can do it in about 6 hours now, the first time it was closer to 11 hrs, good luck

Posted on May 15, 2008

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baby_weasle

  • 14 Answers

SOURCE: transmission swap

yup, the motor and drive train are the same... if the wheel base is the same between the two trucks, than you can also use the drive shaft from it too

Posted on Feb 28, 2009

Anonymous

  • 82 Answers

SOURCE: bad heater core

look undre the passenger side dash and you will see a black box. Look closely and you will see screws in it around the edges. remove all the screws then remove the cover,there is the heater core, held in by 1 screw that is kinda hard to see. next look under the hood on the passenger side firewall right in front of the dash, you will see 2 hoses with clamps on them. loosen the clamps and remove the hoses. you may want to drain the radiator first but I never do

Posted on May 05, 2009

mclaen

  • 486 Answers

SOURCE: changing pickup coil

You have to remove the distributor from the engine then remove the distributor shaft from the distibutor housing, then you can remove & replace the pickup coil. Make sure you marke the exact location of the distributor body in relation to the intake manifold and note exactly where the rotor is pointing in relation to the distributor cap. I always set the timing marks on the front pulley at zero and make sure that the rotor is pointing at the #1 plug wire terminal on the cap before removing any distributor as it makes getting it in time easier if you lose your marks. You should reset the ignition timing when you have it all back together again as you'll most likely be off a few degrees. Some of these distributors had problems with the magnets in the distibutor shaft that would mimic a failing pickup coil and they were prone to drive gear wear. If you suspect any of those problems it's often easier to replace the entire distibutor with a reman unit.

Posted on Jun 08, 2010

jonesmech

  • 50 Answers

SOURCE: on a 1999 chevy 3500 pickup how do you change

that will require you to remoive the dash board

Posted on Jun 29, 2010

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1 Answer

Ac blows only @ the feet, not the face


Usually a sign of a faulty blend door under the dash. The blend doors direct air thru the heater core and evaporator core, along with the ducts to the vents.

Aug 02, 2012 | 2009 Dodge Ram Pickup 1500

1 Answer

1999 durango vent control switch will not let AC blow threw vents only defrost


Usually this is a problem with the blend doors under the dash. You either have a vac leak, a dead motor, or a faulty door.
The control opens and closes the doors to direct air thru the heater core and evaporator core along with directing air thru the vents.
When a problem occurs, the default position is the defrost vents to make sure the windshield remains clear.
You can do an internet search for "repair durango blend door" for more info.

Jul 29, 2012 | 1999 Dodge Durango

1 Answer

Heater was working fine..then shut if off...when i turned it back on it just blew cold air, i know its not a thermostat, water pump, or head problem cause it doesn't overheat...checked fluid levels and...


There is a part called the air temperature blend door inside the air ducting of the dash, it controls the air temperature by moving between the AC Evaporator core and the Heater core, it is broken or the electric actuator is defective that moves it or more commonly both are defective. To replace these parts requires the dash be removed from the truck. This is a VERY common problem with 1995 up Explorers.

May 20, 2011 | 1998 Ford Explorer

1 Answer

My a/c has always put out 38 degrees air on max recurculation mode no matter how hot now it will only put out 50-60 at the best gauges hooke dup freon is good clean blower motor ck air vent working inside...


you can check and clean ac core by removing cabin air filters at the bottom side of ac heater case small bolt holds strap and drop the filters and look at core

Aug 16, 2010 | 2003 Chevrolet Silverado 1500

1 Answer

NO power to the A.C. compressor


Check the AC pressure switch that will turn on the circuit which is on the liquid line going to the evaporator core

May 29, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

Where is the heater core located on a 1997 dodge ram 1500 5.2 318


This is to give you an idea where it's at (behind the dash) and what you would have to do to remove and replace it:

Removal & Installation

  1. Disconnect the battery negative cable.
  2. Remove the instrument panel from the vehicle.
  3. If equipped with air conditioning, recover the refrigerant.
  4. Disconnect the liquid line refrigerant line fitting from the evaporator inlet tube.
  5. Ram: remove the accumulator.
  6. Dakota, Durango: disconnect the accumulator inlet tube.
  7. Drain the cooling system.
  8. Disconnect the heater hoses from the heater core tubes.
  9. Ram: remove the powertrain control module from the dash panel. Disconnecting wiring is not necessary.
  10. Remove the four nuts from the heater–A/C mounting studs on the engine compartment side of the dash panel.
  11. Remove the nut(s) that secure(s) the heater–A/C housing mounting brace to the stud(s) on the passenger compartment side of the dash board.
  12. Pull the housing rearward far enough for the mounting studs and evaporator condensate drain tube to clear the dash panel holes.
  13. Remove the housing from the vehicle.
  14. Lift the heater core out of the housing.
  15. Installation is the reverse of removal.


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May 08, 2010 | 1997 Dodge Ram 1500 Club Cab

2 Answers

How to replace a heater core in a 1994 chevy 1500


As with all vehicles it seems the first part that they build around is the heater core. It is under the dash above the floor housed in a black plastic sealed box. Sealed with goop. Locate that box and start removing everything around it that is peventing taking the cover off. Of course disconnect the heater hoses under the hood a thefirewall.

Warning it is never as easy as it sounds.

Nov 29, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

I have a heater core blowing steam on the wind sheild.On my 2001 Dodge Pickup 1500 4x4 with a 360.How do i go about changing it.


first you have to remove the complete dash . recover the refrigerent for the a/c. I would advise replacing the heater core AND the evaporator at the same time. Dodge trucks are very common for both and you dont want to do the core and then a few months later the same job over again.

Sep 18, 2009 | 1988 Dodge D-Series Pickups

1 Answer

Heater won't heat in cab


if the inlet and outlet hoses are getting hot to the heater core then the problem is the air temperture control blend door actuator in the heating/A/C ducts, this door directs air flow either across the heater core or the AC evaporator or mixes the 2 air flows for a desired temp at the outlets, hence the name blend door, to change this part u must remove the dash assembly.

Jan 05, 2009 | 1997 Dodge Ram 1500 Club Cab

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