GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications for Chevrolet Impala 2003

Application

Specification

Metric

English

Air Temperature Actuator Screw

1.5 N·m

13 lb in

HVAC Control Retaining Screw

1.8 N·m

16 lb in

Instrument Panel Compartment Screw

2 N·m

18 lb in

Vacuum Tank Screw

1.5 N·m

13 lb in