TM 9-2320-361-34 3-17. INTAKE AND EXHAUST MANIFOLDS MAINTENANCE THIS TASK COVERS: a. Intake and Exhaust Manifolds Removal d. Exhaust Manifold Assembly b. Exhaust Manifold Disassembly e. Intake and Exhaust Manifolds Installation c. Cleaning and Inspection INITIAL SETUP APPLICABLE MODELS EQUIPMENT CONDITION All ● Thermostat and housing removed TOOLS (TM 9-2320-361-20). ● Personnel heater hoses removed General mechanic’s tool kit (Appendix B, Item 1) (TM 9-2320-361-20). ● Oil dipstick tube removed (TM 9-2320-361-20). MATERIALS/PARTS ● Turbocharger removed (para. 5-5). ● Uncovered manifold heater removed, if installed Two gaskets (Appendix F, Item 27) (TM 9-2320-361-20). Six seal rings (Appendix F, Item 241) ● Covered manifold heater removed, if installed Twelve locknuts (Appendix F, Item 90) (TM 9-2320-361-20). PERSONNEL REQUIRED ● Water outlet manifolds removed (TM 9-2320-361-20). Two ● Engine temperature sending unit removed REFERENCES (TM) (TM 9-2320:361-20). ● Air cleaner assembly removed TM 9-2320-361-20 TM 9-2320-361-34P (TM 9-2320-361-20). I a. Intake and Exhaust Manifolds Removal 1. Remove drain valve (7) and plug (8) from intake manifold (4). 2. Remove sixteen nuts (6) and washers (5) from intake manifold (4). 3. Remove twelve locknuts (11) and washers (10) from exhaust manifold (9). Discard locknuts (11). 4. Loosen two screws (17) on starter solenoid bracket (18). NOTE Assistant will help with steps 5 and 6. 5. Remove intake manifold (4), exhaust manifold (9), and two gaskets (3) from cylinder heads (1) and (2). Discard gaskets (3). 6. Remove excess gasket (3) material from cylinder heads (1) and (2), intake manifold (4), and exhaust manifold (9). b. Exhaust Manifold Disassembly 1. Remove manifold sections (12) and (14) from manifold section (16). 2. Remove six flange seal rings (13) from manifold sections (12) and (14). Discard seal rings (13). 3. Remove two plugs (15) from exhaust manifold sections (12) and (14). c. Cleaning and Inspection 1. For general cleaning instructions, refer to para. 2-8. 2. For general inspection instructions, refer to para. 2-9. 3. Inspect three expansion plugs (13) for looseness, leaking or damage. If loose or damaged, replace, 3-52
