Fastener Tightening Specifications for Chevrolet Optra 2008

Blower Motor Resistor Screws

1.2 N·m

11 lb in

Blower Motor Retaining Screws

1.2 N·m

11 lb in

Blower Motor-to-A/C Assembly Screws

1.2 N·m

11 lb in

Compressor-Clutch Plate and Hub Assembly Retaining Nut

17 N·m

13 lb ft

Compressor-Through Bolts

10 N·m

89 lb in

Compressor-to-Bracket Mounting Bolts - 1.4L, 1.6L and 2.0L Diesel only

27 N·m

20 lb ft

Condenser Mount Bolts

4 N·m

35 lb in

Controller Retaining Screws

2 N·m

18 lb in

Evaporator Core Cover Screws

1.2 N·m

11 lb in

Expansion Valve Stud Bolts

8 N·m

71 lb in

Front Compressor-to-Bracket Mounting Bolts - 1.8L, 2.0L only

35 N·m

26 lb ft

Heater Core Cover Screws

1.2 N·m

11 lb in

Heater Core Housing-to-Evaporator Housing Screws

1.2 N·m

11 lb in

Heater/Air Distributor Case Assembly Screw

4 N·m

35 lb in

Liquid Pipe Block-to-Expansion Valve Retaining Nut

14 N·m

10 lb ft

Liquid Pipe Block-to-Receiver Dryer Retaining Nut

14 N·m

10 lb ft

Liquid Pipe Support Clamp Bolts

8 N·m

71 lb in

Pressure Transducer

7 N·m

62 lb in

Rear Compressor-to-Bracket Mounting Bolts - 1.8L, 2.0L only

20 N·m

15 lb ft

Receiver Dryer - Band Clamp Bolt

5 N·m

44 lb in

Receiver Dryer-to-Condenser Pipe Block Bolt

5 N·m

44 lb in

Refrigerant Discharge Hose Block-to-Compressor Retaining Nut

33 N·m

24 lb ft

Refrigerant Discharge Hose Block-to-Condenser Retaining Nut

16 N·m

12 lb ft

Suction Hose Block-to-Compressor Retaining Nut

33 N·m

24 lb ft

Suction Hose Block-to-Expansion Valve Retaining Nut

14 N·m

10 lb ft

Suction Hose Support Clamp-to-Engine Bracket Bolt - 1.4L, 1.6L and 2.0L Diesel

8 N·m

71 lb in

Suction Hose Support Clamp-to-Engine Bracket Bolt - 1.8L, 2.0L only

14 N·m

10 lb ft

Suction Hose Support Clamp-to-Longitudinal Member Bolt

8 N·m

71 lb in