Hummer H3. Instruction - page 28

2008 ENGINE

Engine Electrical - H3

SPECIFICATIONS

FASTENER TIGHTENING SPECIFICATIONS

Application

Specification

Metric

English

Air Conditioning Compressor Bolt

50 N.m

37 lb ft

Battery Retainer Nut

15 N.m

11 lb ft

Engine Wiring Harness Bracket Bolt (LH8)

40 N.m

29.5 lb ft

Engine Wiring Harness/Positive Battery Cable to
Generator Nut (LH8)

9 N.m

80 lb in

Engine Wiring Harness/Positive Battery Cable to
Starter Nut (LH8)

9 N.m

80 lb in

Generator Bolt

50 N.m

37 lb ft

Generator Bracket Bolt (LH8)

50 N.m

37 lb ft

Generator Output BAT Terminal Nut (LLR)

20 N.m

15 lb ft

Generator Positive Cable to Underhood Fuse Block
Nut (LLR)

10 N.m

89 lb in

Negative Battery Cable Ground to Battery Tray Bolt
(LLR)

25 N.m

18 lb ft

Negative Battery Cable Ground to Engine Block
Bolt (LLR)

9 N.m

80 lb in

Negative Battery Cable Integral Bolt to Battery
Tray (LH8)

35 N.m

26 lb ft

Negative Battery Cable Nut

40 N.m

29.5 lb ft

Negative Battery Cable to Engine Block Bolt (LH8)

9 N.m

80 lb in

Positive Battery Cable Nut

9 N.m

80 lb in

Positive Battery Cable to Starter Terminal Nut
(LLR)

9 N.m

80 lb in

Positive Battery Cable to Underhood Fuse Block
Nut (LLR)

10 N.m

89 lb in

Starter Motor Bolt/Nut

50 N.m

37 lb ft

Starter Solenoid S Terminal Nut (LLR)

3.5 N.m

31 lb in

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

BATTERY USAGE

GENERATOR USAGE

LLR

LH8

SCHEMATIC AND ROUTING DIAGRAMS

STARTING AND CHARGING SCHEMATICS

Transmission Cover Bolt (LH8)

12 N.m

106 lb in

w/o BRM/W91

Cold Cranking Amperage (CCA)

590 A

Reserve Capacity Rating

110 Minutes

Replacement Battery Number

86-6YR

BRM/W91

CCA

690 A

Reserve Capacity Rating

105 Minutes

Replacement Battery Number

86-7YR

Application

Specification

Generator Model

TG12+

Rated Output

120 Amps

Load Test Output

84 Amps

Application

Specification

Generator Model

DR44M

Rated Output

145 Amps

Load Test Output

101.5 Amps

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

Fig. 1: Starting - MA5
Courtesy of GENERAL MOTORS CORP.

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

Fig. 2: Starting - M30
Courtesy of GENERAL MOTORS CORP.

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

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