CAUTION
______
Ensure water pump P/N 23500085 or P/N 12557079 is used on
6.2L engines, or damage to equipment will result.
Ensure water pump P/N 12553483 or P/N 12557081 is used on
6.5L engines, or damage to equipment will result.
1.
Install gasket (6) and adapter plate (7) on water pump (5) with seven capscrews (8). Tighten
capscrews (8) 13-20 lb-ft (18-27 Nm).
NOTE
Perform step 2 if a new water pump is being installed.
2.
Apply sealing compound to rivet (3) and install in water pump (5).
3.
Apply anaerboic gasket sealer to sealing surfaces on adapter plate (7), following diagram shown.
4.
Apply pipe sealing compound to capscrew (14).
5.
Install adapter plate (7) and water pump (5) on timing gear cover (10) with two long studs (17),
stud (12), stud with thick hex (11), and capscrew (14).
6.
Secure adapter plate (7) to timing gear cover (10) with two capscrews (13), studs (9), four
washers (16), and capscrews (15). Tighten studs (9) and capscrews (13) and (15) to 13-20 lb-ft
(18-27 Nm). Tighten studs (17), (12), and (11) to 25-37 lb-ft (34-50 Nm).
7.
Apply pipe sealing compound to threads of elbow (1), heater hose nipple (2), and bypass hose
adapter (4) and install in water pump (5).
8.
Coat threads of bypass nipple (19) with pipe sealing compound and install in water crossover (18).
3-76.1. WATER PUMP AND ADAPTER PLATE MAINTENANCE (Cont'd)
c. Installation
TM 9-2320-280-20-2
3-130.4
Change 2