GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Front Bumper to Brace Bolts

55 N·m

41 lb ft

Front Bumper to Bracket Bolts

85 N·m

63 lb ft

Rear Bumper Plate Assembly Nuts

90 N·m

66 lb ft

Rear Frame Rail Bracket Bumper Bolts

100 N·m

74 lb ft

Side Frame Rail Bracket Bolt

40 N·m

30 lb ft

Application

Specification

Metric

English

Body Mount Bolts (Maintenance Body)

80 N·m

59 lb ft

Front Bumper Bracket Lower Bolts

68-92 N·m

50-68 lb ft

Front Bumper Bracket Side Bolts

128-148 N·m

94-109 lb ft

Front Bumper Center Bolts

88-98 N·m

65-72 lb ft

Front Bumper Center Bolts (Ambulance/Maintenance Body)

122 N·m

90 lb ft

Front Bumper End Cap Bolts

88-98 N·m

65-72 lb ft

Front Bumper End Cap Brace Bolts

20 N·m

15 lb ft

Front Bumper Lower Support Bolts (Ambulance/Maintenance Body)

77 N·m

57 lb ft

Front Bumper Upper Support Bolts (Ambulance/Maintenance Body)

31 N·m

23 lb ft

Radiator Grille Brush Guard Bolts

20 N·m

15 lb ft

Rear Bumper Bolts

97 N·m

72 lb ft

Rear Bumper Bracket Lower Bolts

155 N·m

114 lb ft

Rear Bumper Bracket Side and Upper Bolts

97 N·m

72 lb ft

Rear Bumper Lower Bolts (Maintenance Body)

50 N·m

37 lb ft

Rear Bumper Side Frame Bolts (Maintenance Body)

120 N·m

89 lb ft

Rear Step Pad Bolts

45 N·m

33 lb ft