Question about 1990 Buick Skylark

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Heater core How do I replace the heater core on a 1990 Buick Skylark. Can someone send me a diagram or give me a website that can help me.

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Pull the panel under the glove box. You should be able to see the heater core. disconnect the two hoses under the hood on the firewall to the heater core. put a pan below to catch the antifreeze. Replace heater core. reconnect hoses.

Posted on Sep 11, 2009

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I need to find both heater hoses top and bottom so i can bypass the heater core for my 95 buick skylark


YOUR LOOP WILL BE MADE WHERE BOTH HOSES GO INTO THE FIRE WALL TO HEATER CORE.YOU NEED A LONGER WATER HOSE I WOULD DO THIS FIX TO GET YOU HOME.

Jan 07, 2011 | 1995 Buick Skylark

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Where and how do i get to the heater core on 1993 Buick Skylark


Replacing a heater core is a all day ugly job. You have to remove the dashboard and heater box. Its located behind the glove box. Best thing to do is buy a auto repair manual for your car and read up on this job.
Good luck and thanks for your question and I hope my suggestions help. burdfrenzy
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Jan 03, 2011 | 1993 Buick Skylark

1 Answer

How do you replace heater core on 1993 buick skylark


it could be the electronic switch down under the dash that is faulty, not allowing the flap to close off and cycle the water through the heater core..

Jan 23, 2010 | 1993 Buick Skylark

1 Answer

Removal of heater core 1992 buick skylark


You locate the heater core by following the heater hoses in the engine compartment. These hoses need to be disconnected. Then, working inside the passenger compartment, take off all of the control panel. You'll see screws underneath if you lie on your back. The only trick is to pop out the vent louvers -- just pop them out with a screw driver. There are screws behind them. Take out the glove box. Take off the heater outlet duct and the heater core cover. Pull the heater core straight back to avoid breaking the drain tube. Remove some clamps and that's it.

Dec 31, 2009 | 1992 Buick Skylark

1 Answer

How to repair heater core


The step by step procedure to remove the heater core is given below :
  1. Disconnect the negative battery cable.
  2. Drain the engine coolant into a clean container for reuse.
  3. Raise and safely support the vehicle.
  4. Remove the rear lateral transaxle strut mount, if necessary.
  5. Remove the drain tube and disconnect the heater hoses from the core tubes, lower the vehicle.
  6. Remove the sound insulators, console extensions and/or steering column filler, as required.
  7. Remove the floor console outlet ductwork and hoses.
  8. Remove the heater core cover.
  9. Remove the heater core mounting clamps and remove the heater core.

Sep 27, 2009 | 1994 Buick Skylark

1 Answer

Replacement of heatercore


I believe you have to dissassemble the lower part of the hvac unit under the dash to gain access to the heater core, then disconnect the hoses at the firewall and remove the heater core.

Apr 13, 2009 | 1996 Buick Skylark

1 Answer

Need to locate access panel to replace HeaterCore 1990 Buick Skyl


  1. Disconnect the negative battery cable.
  2. Drain and recycle the engine coolant.
  3. Raise and safely support the front of the vehicle.
  4. If necessary, remove the rear lateral transaxle strut mount.
  5. Detach the drain tube, then disconnect the heater hoses from the core tubes.
  6. Carefully lower the vehicle.
  7. Remove the console if equipped.
  8. Unfasten and remove the sound insulators, console extensions and/or steering column filler, as required.
0900c152800a93fc.jpgFig. 1: Unfasten the sound insulator retaining bolts ... 0900c152800a93fd.jpgFig. 2: ... then remove the sound insulator
  1. On some models it may be necessary to remove the steering column opening filler.
  2. Remove the floor or console outlet ductwork and hoses.
  3. Remove the heater core access cover.
0900c152800a93fe.jpgFig. 3: Remove the heater core access cover
  1. Unfasten the heater core mounting clamps/bolts, then extract the heater core from the vehicle.
0900c152800a93ff.jpgFig. 4: Unfasten the heater core retaining bolts; most later models are secured with clamps 0900c152800a9400.jpgFig. 5: Remove the heater core from the vehicleTo install:
  1. Install the heater core, then secure using the clamps/bolts.
  2. Fasten the heater core cover.
  3. Connect the outlet hoses and ducts.
  4. Install the sound insulators, console extensions and/or steering column filler.
  5. Raise and safely support the vehicle.
  6. Install the drain tube and connect the heater hoses to the core tubes.
  7. If removed, install the rear lateral transaxle strut mount, if removed.
  8. Carefully lower the vehicle.
  9. Connect the negative battery cable.
  10. Fill cooling system and check for leaks. Start the engine and allow to come to normal operating temperature. Recheck for leaks and check coolant

Dec 06, 2008 | 1990 Buick Skylark

2 Answers

Water under dash board 1983 buick skylark


Your heater core needs to be replaced. The heater core is like a mini radiator, providing heat for the interior by coolant circulating from the engine, into the heater core, and back to the engine again. Like a radiator, a heater core can spring a leak, especially w/ age as a factor. This results in the leak inside the car, which also causes the 'smoke' you see, which is actually vapor form of coolant.

Nov 17, 2008 | 1983 Buick Skylark

1 Answer

How to replace a heater core out of 97 buick skylark


There is a free way to find out where it is which is what you'll have to do first, go to any parts place which should have a diagram or they can just tell you over the phone. i will tell you this, hope that it's on the passenger side because if it's on the driver side you will need to pull the dash to get to it. If it's on the passenger side like the blower motor you can just drop the glove box door down to get to it. It looks like a little box woth two or three small hoses or pipes going to it which are failrly easy to disconnect. Hope this helped, good luck!

Oct 20, 2008 | 1997 Buick Skylark

1 Answer

Heater core leek


it is behind the plastic venting under the dash it has to be removed to get to the heater core

May 19, 2008 | 1986 Buick Skylark

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