Fastener Tightening Specifications. Chevrolet Tahoe

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2000 🢒 Tahoe - 2WD 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Fastener Tightening Specifications

Application	Specification
Application	Metric	English
Accumulator Bracket Mounting Nut	9 N·m	80 lb in
Air Inlet Actuator Mounting Screw	1.6 N·m	14 lb in
Air Outlet Mounting Screw	1.6 N·m	14 lb in
Blower Motor Relay/Resistor Screws	1.6 N·m	14 lb in
Blower Motor Insulating Cover	1.6 N·m	14 lb in
Compressor Bracket Mounting Bolt	50 N·m	37 lb ft
Compressor Mounting Bolt	50 N·m	37 lb ft
Condenser Mounting Bolts	9 N·m	80 lb in
Evaporator Pipe to Accumulator Nut	16 N·m	12 lb ft
Evaporator Pipe to Condenser Nut	16 N·m	12 lb ft
Evaporator Tube to Evaporator	28 N·m	21 lb ft
Extended Console Mounting Screw	1.6 N·m	14 lb in
Floor Air Outlet Screws	1.6 N·m	80 lb in
Heater Core Cover Screws	9 N·m	14 lb in
Heater Hose Mounting Bolt	25 N·m	18 lb ft
Hose to Accumulator Nut	16 N·m	12 lb ft
Hose to Condenser Nut	16 N·m	12 lb ft
HVAC Module Mounting Nuts	4 N·m	35 lb in
HVAC Module Mounting Screws	4 N·m	35 lb in
HVAC Module Screws	1.6 N·m	14 lb in
Mode Actuator Mounting Screw	1.6 N·m	14 lb in
Negative Battery Cable Bolt	17 N·m	13 lb ft
Passenger Compartment Air Filter Access Door Screw	1.6 N·m	14 lb in
Pressure Cycling Switch	4 N·m	35 lb in
Refrigerant Hose to Compressor Bolt	34 N·m	25 lb ft
Temperature Actuator Mounting Screw	1.6 N·m	14 lb in

Relative Humidity	Ambient Air Temperature	Maximum Low Side Pressure	Engine Speed	Maximum Center Air Outlet Temperature	Maximum High Side Pressure
40%	26.7°C (80°F)	220 kPa (32 psi)	1500 RPM	10.6°C (51°F)	1 572 kPa (228 psi)
26.7°C (90°F)	268 kPa (39 psi)	10.6°C 59°F	1 931 kPa (280 psi)
37.8°C (100°F)	308 kPa (44 psi)	18.9°C (66°F)	2 075 kPa 301 psi
43.3°C (110°F)	317 kPa (46 psi)	23.9°C (75°F)	2 255 kPa (327 psi)
48.9°C¹ (120°F)¹	310 kPa¹ (45 psi)¹	17.2°C¹ (63°F)¹	2 530 kPa¹ (367 psi)¹
50%	21.1°C² (70°F)²	193 kPa² (28 psi)²	6.1°C² (43°F)²	1 103 kPa² (160°F)²
70%	21.1°C (70°F)	234 kPa (34 psi)	12.2°C (54°F)	1 572 kPa (228 psi)
32.2°C (90°F)	324 kPa (47 psi)	18.3°C (65°F)	2 006 kPa 291 psi
80%	26.7°C (80°F)	268 kPa 39 psi	14.4°C 58°F)	1 731 kPa (251 psi)
¹Measure these values in MAX A/C with all of the windows closed. ²The compressor cycles ON and OFF.

Relative Humidity

Ambient Air Temperature

Maximum Low Side Pressure

Engine Speed

Maximum Center Air Outlet Temperature

Maximum High Side Pressure

40%

26.7°C

(80°F)

220 kPa

(32 psi)

1500 RPM

10.6°C

(51°F)

1 572 kPa

(228 psi)

26.7°C

(90°F)

268 kPa

(39 psi)

10.6°C

59°F

1 931 kPa

(280 psi)

37.8°C

(100°F)

308 kPa

(44 psi)

18.9°C

(66°F)

2 075 kPa

301 psi

43.3°C

(110°F)

317 kPa

(46 psi)

23.9°C

(75°F)

2 255 kPa

(327 psi)

48.9°C¹

(120°F)¹

310 kPa¹

(45 psi)¹

17.2°C¹

(63°F)¹

2 530 kPa¹

(367 psi)¹

50%

21.1°C²

(70°F)²

193 kPa²

(28 psi)²

6.1°C²

(43°F)²

1 103 kPa²

(160°F)²

70%

21.1°C

(70°F)

234 kPa

(34 psi)

12.2°C

(54°F)

1 572 kPa

(228 psi)

32.2°C

(90°F)

324 kPa

(47 psi)

18.3°C

(65°F)

2 006 kPa

291 psi

80%

26.7°C

(80°F)

268 kPa

39 psi

14.4°C

58°F)

1 731 kPa

(251 psi)

¹Measure these values in MAX A/C with all of the windows closed.

²The compressor cycles ON and OFF.