Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK1999LESABRE V6-3.8L VIN KREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - HVACCONTROL MODULE HVACSERVICE AND REPAIRPROGRAMMER REPLACEMENT
1999 Buick LeSabre V6-3.8L VIN K
Programmer Replacement
1999 Buick LeSabre V6-3.8L VIN KSECTION Programmer Replacement
PROGRAMMER REPLACEMENT - AUTOMATIC HVAC
REMOVAL PROCEDURE
1. Remove the I/P compartment.
2. Remove the right sound insulator.
3. Disconnect the electrical connectors (7).
4. Disconnect the vacuum connectors (9).
5. Remove the rod from the driver temperature valve link (11).
6. Remove the screws (8) that mount the programmer (6) to the vehicle.
7. Remove the programmer (6).
INSTALLATION PROCEDURE
1. Install the programmer (6) into position.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the screws (8) in order to secure the programmer (6).
Tighten
Tighten the screws to 1.4 N.m (12 lb in).
3. Connect the electrical connectors (7).
4. Connect the vacuum connectors (9).
5. Install the rod to the driver temperature valve link (11).
6. Adjust the rod to the temperature valve link. Refer to Temperature Valve Link Adjustment.
7. Install the right sound insulator.
8. Install the I/P compartment.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.