Question about 1999 Pontiac Sunfire

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HEATER CORE REPAIR

BASICALLY I NEED 2 KNOW HOW HARD IT WOULD BE 2 CHANGE A HEATER CORE IN A SUNFIRE.

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Is there an on line repair guide on how to replace a 98 pontiac sunfire heater core?


Remove or Disconnect

  1. Negative battery cable.
  2. Drain cooling system.
  3. Heater hoses from heater core.
  4. Instrument Panel.
  5. Heater core outlet.
  6. Heater core cover.
    • There is a mounting screw located in a recess in the center of the cover
  1. Heater core mounting clamps and beater core.
Install or Connect


  1. Heater core and heater core mounting clamps.
Tighten

  • Screws to 1 N.m (9 lb. in.) .
  1. Heater core cover.
Tighten

  • Screws to 1 N.m (9 lb. in.) .
  1. Heater core outlet.
Tighten

  • Screws to 1 N.m (9 lb. in.) .
  1. Instrument Panel.
  2. Heater hoses to heater core.
  3. Fill cooling system and check for leaks.
  4. Negative battery cable.
Tighten

  • Bolt to 16 N.m (12 lb. ft.) .
  • edwardafzal_1.gif

Jan 01, 2011 | Pontiac Sunfire Cars & Trucks

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1997-98 sunfire 2-2 liter changed thermostad and changed heater core still no heat. half and half mixture of antifreeze put in what else can i do car is running normal no overheating


First of all, make sure the heater core isn't air locked. With the engine running, and your heat temperature on high, loosen one end of the heater hose and see if you can get the air out of it.

Oct 13, 2010 | 1997 Pontiac Sunfire

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How hard is it to replace a heater core in my 2000 buick century. Can I find details on how to replace the heater core on line?


IT SHOULDN'T BE TOO DIFFICULT IF YOU HAVE THE BASIC TOOLS AND KNOW HOW TO USE THEM,YOU CAN GO TO THE AUTOZONE WEB SITE AND SIGN UP FOR THE FREE REPAIR GUIDE,THEN YOU JUST LOOK UP YOUR PART AND THEN CLICK ON THE REPAIR GUIDE WINDOW AND THEY'LL SHOW YOU HOW TO INSTALL IT.

Oct 07, 2010 | 2000 Buick Century

1 Answer

How hard is it to change the heater core in a 2000 saturn


NOT A HARD JOB WITH A REPAIR MANUAL.IT HAS PHOTOS AND INSTRUCTIONS HOW TO REMOVE HEATER CORES.YOU HAVE TO DRAIN COOLANT SYSTEM. REMOVE THE LOWER DASH TO GET TO HEATER CORE.AND YOU HAVE TO RAISE VECHICLE TO LOOSEN REMOVE HEATER CORES CLAMPS AND HOSES.

Sep 18, 2010 | 2000 Saturn SL

1 Answer

Steps for replacing the heater core in a 1997 pontiac sunfire


This is a fairly easy fix.The steps are as follows:
  1. Disconnect the heater hoses under the hood.
  2. Go to passenger side under the dash remove the lower panel from the dash to access the heater box.
  3. Unplug any and all connections on the lower half of the heater box and remove the lower half of the box should be about six screws you should see the heater core and the evaporator core.
  4. Heater core skinnier of the two should have one or two straps holding it in remove the straps and remove the core and replace.

Nov 15, 2009 | 1997 Pontiac Sunfire

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Water lines by-passed, think it needs new core, how do you replace core?


1. drain cooling system
2. disconnect heater hoses from engine side of firewall from the heater core,
3. remove nessicary dash panels and covers to access heater box.
4. unbolr heater core and remove.
5. reverse to install.
6. fill cooling system, making sure to purge the air from the cooling system.
7. YOUR DONE

Nov 04, 2009 | 1997 Pontiac Sunfire

1 Answer

Bad heater core how do I replacxe it


No one, except someone who has replaced one on this exact same vehicle can tell you. Replacing the heater core is the easy part. Getting to the heater core is the hard part. Basically you just have to remove enough parts to allow access to the core. Take photos as you go along so as not to get confused when you reverse the procedure. This is a very labour intensive repair and for that reason it is a very costly repair. Good luck.

Aug 28, 2009 | 2003 Jeep Liberty

1 Answer

Heater core


email me at fordtech2005@gmail.com and I will be happy to email you pictures on how to do it. the flat rate labor time to do this repair is 7.5 hours which basically means that the whole dash must come out, also you will need to disconnect your a/c system to remove heater core.

Jul 30, 2009 | 1997 Ford Thunderbird LX

1 Answer

Heater core repair


there are 2 hoses that enter the firewall connect them together and your problem is solved just no heat for you. otherwise spend 8-10 hours ripping out the dash and spend 40 bucks on a new heater core. then 8-10 to put it back together again.

Jul 24, 2008 | 1997 Pontiac Sunfire

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