02 Passat Heater Core Replacement

  #1  
Old 09-08-2010, 07:29 PM
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Default 02 Passat Heater Core Replacement

Is this a task for a certified Tech, or is this some thing a DIY can do?

I had a VW Shop Quote me to do it and they wanted near a $1K to do it.

I checked online and the heater Core is about $50-$100 for the part.
 
  #2  
Old 09-18-2010, 12:47 AM
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is tht passat the GLX?? i can check on alldata and give u the instructions. if you would like...
 
  #3  
Old 09-18-2010, 10:55 AM
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Originally Posted by elrocco88 View Post
is tht passat the GLX?? i can check on alldata and give u the instructions. if you would like...
No this a GLS 4 door, 1.8 l turbo 02'
 
  #4  
Old 09-19-2010, 07:46 PM
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They charge alot because many things need to be removed... Hope you have the right tools...
Heater and A/C Unit - Removing and Installing CAUTION!
Before beginning repairs on the electrical system:
  • Obtain the anti-theft radio security code
  • Switch off all electrical consumers
  • Switch ignition off and remove ignition key
  • Disconnect negative (-) battery terminal
  • When disconnecting and reconnecting battery terminals, observe all applicable Notes and torque specifications, as well as instructions on performing OBD program and electrical system function checks.
Notes
  • Observe all A/C refrigerant system safety measures.
  • Service refrigerant system using Kent More ACR 4 or equivalent.
  • During servicing, all couplings, fittings and related fasteners must be torqued to specifications.
Removing

  • Remove coolant hoses at heater core.
  • Note Installation orientation of coolant hoses -A- (inlet and outlet) in engine compartment.
  • Clamp off both coolant hoses to heater core using 3094 hose clamps (or equivalent).
  • Release both coolant hose clamps using suitable pliers and pull hoses off from heater core inlet and outlet.
  • Seal off inlet and outlet at heater core to prevent coolant from escaping.

  • Remove refrigerant lines at evaporator.
  • Remove screw -3- (15 Nm) .
  • Gently rock flange with refrigerant lines -2- up and down until they release from evaporator.
CAUTION! Immediately plug open connections on A/C components and lines to prevent dirt and moisture contamination
  • Always replace both O-rings -1-.

  • Remove Heating and NC unit mounting screws -2- (12 Nm) and -3-(3.5 Nm) .

  • Remove footwell vent assembly -6-.

  • Remove support -5-.
  • Disconnect all electrical connections and wiring harness tie straps at heating and NC unit.


  • Loosen instrument panel cross member -4- if necessary.
Installing
Install in reverse order of removal, noting the following:
  • Inspect all heating and A/C unit housing seals for damage and replace if necessary before installation.
  • Ensure all electrical harness tie straps are replaced and installed in their original locations.
  • Replace both evaporator inlet/outlet 0-rings.
  • Ensure refrigerant pipes are reinstalled stress free.
  • Ensure evaporator water drain and drain valve are installed and function properly.




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  #5  
Old 09-19-2010, 07:49 PM
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You can check on germanautoparts.com. They have good prices on parts, specially VW...
 
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