Hummer H1 (1992-1998). Manual - part 8

2-15. ENGINE DISASSEMBLY INTO SUBASSEMBLIES (Cont’d)

 l. Fuel Injection Nozzles 

1. Remove seven clamps (10), one cap (9), and three hoses (8) from fuel injection nozzles (6).

2. Using injection nozzle socket, remove four fuel injection nozzles (6) and gaskets (7) from cylinder

head (5). Discard gaskets (7).

3. Repeat steps 1 and 2 for opposite side.

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 2-15. ENGINE DISASSEMBLY INTO SUBASSEMBLIES (Cont’d)

 m. Glow Plugs 

1. Using glow plug socket, remove four glow plugs (1) from cylinder head (2).

2. Repeat step 1 for opposite side.

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Change 2

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2-15. ENGINE DISASSEMBLY INTO SUBASSEMBLIES (Cont’d)

n. Cylinder Heads

..

W

WA

AR

RN

NIIN

NG

G

..

Gaskets installed on some 6.2L engines assembled prior to 1991
may contain asbestos.  Gaskets should be removed with a scraper
or putty knife and then be disposed of IAW current directives.
Inhalation of asbestos fibers can cause respiratory ailments.

1.

Remove seventeen capscrews (3) from cylinder head (2) and cylinder block (5). 

N

NO

OT

TE

E

Use of cylinder head lifting device is optional.

1.1. Install cylinder head lifting device on center of cylinder head (2) with two washers (3.2) and

capscrews (3.1).

1.2. Using a hoist or other lifting device, remove cylinder head (2) and cylinder head gasket (4) from

cylinder block (5).

1.3. Remove two capscrews (3.1), washers (3.2), and cylinder head lifting device from cylinder head (2).

2.

Repeat steps 1 through 1.3 for opposite side.

3

2

3.1

3.2

4

5

CYLINDER HEAD LIFTING DEVICE

2-15. ENGINE DISASSEMBLY INTO SUBASSEMBLIES (Cont’d)

o. Valve Lifters

1. Remove two capscrews (3), guide plate clamps (2), and four guide plates (4) from cylinder block (5).

NOTE

Tag lifters for assembly.

2. Remove eight valve lifters (1) from cylinder block (5) with hydraulic valve lifter remover.

3. Repeat steps 1 and 2 for opposite side.

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