1989 Jaguar XJ6 heater problems

Tiny
JES2FUNY2
  • MEMBER
  • 1989 JAGUAR XJ6
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 10,000 MILES
I am getting very little air out of my air vents, and the air is cool. Both blower motors are working, and the hoses going into the heater core are hot. The heater core has also been replaced. I found where I should check the servo motors to see if the air damper is switching from a/c to heat position. And that I should also check the inlet dampers on both blower housings and the one behind the center vent. But I need to know where to find them and how to check them.
Wednesday, December 9th, 2009 AT 12:03 PM

1 Reply

Tiny
DAVE H
  • MECHANIC
  • 13,383 POSTS
CENTER & DEFROSTER AIR DOOR VACUUM ACTUATOR
Removal & Installation
Disconnect battery negative cable. Remove glove box. Remove dash center vent trim and vent grille. Remove upper dash panel. Disconnect and remove solar sensor. Disconnect vacuum hose from actuator and lift center air door out of dash. Remove clips and remove vacuum actuator. To install, reverse removal procedure.
CENTER & DEFROSTER AIR DOOR VACUUM SOLENOID
NOTE:Recirc/fresh and coolant valve vacuum solenoid removal is same, except operation is on left side.

Removal & Installation
Disconnect battery negative cable. Remove right side dash liner and footwell duct. Remove 2 solenoid panel retaining screws and pull panel back for access. Note vacuum hose and electrical connectors and remove vacuum solenoid. To install, reverse removal procedure.
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Thursday, December 31st, 2009 AT 7:46 AM

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