GM Service Manual Online
For 1990-2009 cars only
Table 1: Heater Unit
Table 2: Heater Unit - Air Conditioning (A/C)

Application

Specification

Metric

English

Ambient Air Temperature

-18°C

0°F

-4°C

25°F

10°C

50°F

24°C

68°F

Heater Outlet Air Temperature

54°C

129°F

59°C

138°F

64°C

147°F

68°C

154°F

Heater Unit

Application

Specification

Metric

English

Heating Capacity

7 425-9 075 kcal/h

29,465-36,013 Btu/h

Heater Core Size

200.4 x 168.2 x 25.0 mm

7.9 x 6.6 x 1.0 in

Heater Unit - Air Conditioning (A/C)

Application

Specification

Metric

English

Heating Capacity

8250 kcal/h

32739 Btu/h

Heating Core Size

200.4x168.2x25.0 mm

10.4x7.8x3.5 in