Question about 1994 Volkswagen Passat

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Trying to replace my heater core for a 1994 Volkswagen Passat GLX VR6 2.8L can't find repair manual can anyone help?

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Take everything out, except the steering wheel and brake pedal, its th only way, seems complicated, but just tackle it, it goes quick. label things that you take apart and pay attention to how to route the wires again. the clips that hold together the vent system are a pain, I ended up not putting a few back on, big deal.

Posted on Jul 17, 2010


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Need engine diagram

You have a heater core leak inside the dash behind the firewall.

Feb 02, 2012 | Volkswagen Passat Cars & Trucks

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2004 passat heater isn't blowing hot air. both hoses are hot going into the heater core. anyone had this same problem and how can i fix it?

we have a 2004 passat with the same problem. after many different attempts. what we did was. drain the heater core, blow air through the system and then put a mild solvent in the system and let it set for about 20 minutes. flush the system and refill with coolant. now our heater burns us out. use low air pressure and be very carefull. heater core was full of junk that came out after we flushed with solvent.

Feb 09, 2011 | 2004 Volkswagen Passat

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Shop claims my heater core is plugged and needs to be replaced. 2003 VW Passat GLX 4Motion, V6. Any other options

Probably not. It really depends on the situation and what is going on. If you are not getting any heat it could be the heater core or it could be as simple as a thermostat.

Jan 06, 2011 | 2003 Volkswagen Passat

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Ineed instructions to replace the heater core on a 96 vw passat

Inspect/Replace If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

Dec 01, 2010 | 1996 Volkswagen Passat

1 Answer

How do i replace a heater core in a 1994 vw passat

remove dashboard.  and knee panel.  center console.  remove bolt holding tip stereing wheel. disconnect all wiring. leave heater controls connected to heater housing, but remove from dash. seperate heater housing from blower housing by removing 6 clips.  remove two nuts from under hood on firewall and disconnect heater hoses.  pull heater housing from firewall and seperate from blower housing.  remove heater core from heater housing.  took me an hour and a half to remove.  two clips are between firewall and heater housing, and was able to pop them off when i tugged on heater housing.

Nov 05, 2009 | 1994 Volkswagen Passat

1 Answer

How to turn off heater and air

Hi - I have a 1999 Passat Wagon (2.8) with Climatronic A/C. The only way I know to turn off the unit is to switch the blower down to minimum and hold the button in. That switches it off. Press any button to reactivate.

Jul 02, 2008 | 1998 Volkswagen Passat

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