LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 1987 >> LeSabre V6-231 3.8L >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Module HVAC >> Adjustments
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Control Module HVAC: Adjustments

Programmer Assembly & Temperature Valve Link:





1. Pull valve link from retainer on programmer output crank (if not previously disassembled). Crank can be accessed through glove box area.

2. Start car; set fan to HI and temperature to 33°C (90°F). If ambient temperature is above 33°C (90°F), disconnect in-vehicle temperature sensor.

3. Allow 45 seconds minimum for programmer motor to move output crank to its full hot position. Then move temperature valve to full hot position; snap valve link into retainer on output crank.