TM 9-2320-280-20-2
3-57. RIGHT EXHAUST MANIFOLD REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Tools
GeneraI mechanic’s tool kit:
automotive (Appendix B, Item 1)
Special Tools
Hex head driver, 8mm, (Appendix B, Item 156)
Materials/Parts
Gasket (Appendix G, Item 49)
Three locknuts (Appendix G, Item 106)
Gasket (Appendix G, Item 37)
Manual References
TM 9-2820-280-24P
Equipment Condition
Air horn and elbow removed (para. 3-14).
Right exhaust manifold heat shield removed
(para. 3-55).
General Safety Instructions
Do not touch hot exhaust system components
with bare hands.
Place used gaskets in a plastic, leakproof, sealed
bag or container.
WARNING
Do not touch hot exhaust system components with bare hands.
Severe injury will result.
a. Removal
1. Remove three locknuts (10), washers (7), capscrews (6), and washers (7) from exhaust
manifold (3) and crossover pipe (9). Discard locknuts (10).
2. Using hex head driver, remove eight socket-head screws (5) and washers (4) from exhaust
manifold (3) and cylinder head (1).
W A R N I NG
Vehicles with serial numbers USBL Eff. 1 through 118767 have
manifold gaskets containing asbestos fibers. When performing
manifold maintenance, place used gaskets in a plastic, leakproof
sealed bag or container and contact the local health and safety
department for further disposal instructions.
Failure to observe above warning may result in an
environmental hazard.
3. Remove exhaust manifold (3) and gaskets (2) and (8). Discard gaskets (2) and (8).
b. Installation
N O TE
Ensure replacement gasketa have a silver, shiny surface, not a dull,
dark surface, which is characteristic of a gasket containing asbestos.
1. Install gasket (2) and exhaust manifold (3) to cylinder head (1) with eight socket-head screws (5) and
washers (4). Tighten socket-head screws (5) to 25-33 lb-ft (34-45 Nom).
2. Install exhaust manifold (3) to crossover pipe (9) with gasket (8), three washers (7), capscrews (6),
washers (7), and locknuts (10). Tighten locknuts (10) to 37 lb-ft (50 Nom).
3-104
