Removal & Installation (6-Cylinder)
Disconnect negative battery cable. Remove air cleaner box and airflow sensor. Loosen tensioning roller. Remove generator drive belt. Remove guide pulley. Remove cap at rear of generator. Remove nuts and wiring. Remove 2 generator bolts while holding generator securely. (Scheme 1) Remove generator. To install, reverse removal procedure. Ensure turning lock of tensioning roller engages in generator groove. (Scheme 2)
Scheme 1
Scheme 2
Removal & Installation (8-Cylinder)
- Disconnect negative battery cable. If generator is air cooled, go to next step. If generator is water cooled, drain cooling system. Remove fan impeller and fan clutch from water pump. Drain coolant. Remove 3 lower generator mounting bolts. Disconnect electrical connector at top of generator. Remove remaining mounting bolts. Disconnect upper coolant hose. Pull generator toward front of vehicle.
- To install, reverse removal procedure. Replace sealing ring on generator. Loosen hydraulic belt tensioner. Remove generator drive belt. Remove 2 oil filter housing bolts. (Scheme 3) Place oil filter housing aside. Disconnect generator electrical connector. Unclip cooling air guide. Remove generator mounting bolts. (Scheme 4) Pull generator toward front of vehicle. Lift generator upward to remove. To install, reverse removal procedure.
Scheme 3
Scheme 4
Removal
- Disconnect battery. See «BATTERY DISCONNECT PROCEDURE»(ref-2918-S12253282762004100400000) under TROUBLE SHOOTING. Remove complete left intake filter housing by first pressing interlock (2) and cutting through plug connection (1). (Scheme 5)
- Loosen retainers (1). Unfasten hose clip (2). Disconnect electrical connection (3). Unfasten hose clip (4). Remove hose. Remove upper section of intake filter housing. (Scheme 6) Unfasten screw. Remove lower section of suction filter housing. (Scheme 7)
- Unfasten bracket for radiator hose. Loosen hose clamp. (Scheme 8) Remove cooling air hose. (Scheme 9) Unfasten cable connector. (Scheme 10) Remove bolts (1-3) and remove complete tensioning roller for ribbed "V" belt. (Scheme 11) Remove bolts (1-3) and pull out generator toward front. (Scheme 12)- (Scheme 13). Disconnect generator connections. (Scheme 14) Disconnect plug connection (1) and unscrew nut (2). (Scheme 15) Pull generator upward to remove.
Scheme 5
Scheme 6
Scheme 7
Scheme 8
Scheme 9
Scheme 10
Scheme 11
Scheme 12
Scheme 13
Scheme 14
Scheme 15
Installation
- To install, reverse removal procedure. To replace generator pulley, unfasten nut with Special Tool (12 711 0), bracing generator shaft with Allen key or multi-tooth socket wrench. (Scheme 16) Tighten pulley to 52 ft. lbs. (70 N.m).
- When reinstalling suction filter housing, ensure that screw head does not twist away when attaching the hose clip (1) and it is tight against stop (2). (Scheme 17) Loosen hose clamp (1) and withdraw hose. (Scheme 18) Install hose (1) with hose clip (2) on neck in wheel arch. (Scheme 19) Slide lower section of intake filter housing onto hose (1) and tighten hose clip. (Scheme 20)
Scheme 16
Scheme 17
Scheme 18
Scheme 19
Scheme 20
- To install, reverse removal procedure. Replace sealing ring (1). (Scheme 21) To replace generator pulley, unfasten nut with Special Tool (12 711 0), bracing generator shaft with Allen key or multi-tooth socket wrench. (Scheme 16) Tighten pulley to 59 ft. lbs. (80 N.m).
- When reinstalling suction filter housing, ensure that screw head does not twist away when attaching the hose clip (1) and it is tight against stop (2). (Scheme 17) Loosen hose clamp (1) and withdraw hose. (Scheme 18) Install hose (1) with hose clip (2) on neck in wheel arch. (Scheme 19) Slide lower section of intake filter housing onto hose (1) and tighten hose clip. (Scheme 20)
