Balance Shaft Module - Removal

REMOVAL

BALANCE SHAFTS/CHAIN/SPROCKETS

NOTE: For service procedures requiring only temporary relocation of carrier assembly refer to BALANCE SHAFT CARRIER procedure below.










1. Drain engine oil.
2. Remove the oil pan and pick-up tube Engine Oil Pan - Removal.
3. If replacing crankshaft sprocket, remove oil pump Removal and Replacement
4. Remove chain cover (6) , guide (7) and tensioner (2). Discard pivot screw (5) and adjuster screw (4).










5. Remove screw retaining balance shaft drive sprocket (2). Remove chain and sprocket.
6. Using two wide pry bars, work the crankshaft sprocket back and forth until it is off the crankshaft.










7. Remove gear cover retaining stud (1) (double ended to also retain chain guide). Remove cover (6) and balance shaft gears (5).










8. Remove rear cover (1) and balance shafts (3).
9. Remove four carrier to crankcase attaching bolts to separate carrier from engine bedplate.

BALANCE SHAFT CARRIER










The following components will remain intact during carrier removal: Gear cover (6), gears (5), balance shafts and the rear cover.

1. Drain engine oil.
2. Remove the oil pan and pick-up tube Engine Oil Pan - Removal.










3. Remove chain cover (6), guide (7), and tensioner (2).










4. Remove screw retaining balance shaft drive sprocket (2).
5. Move balance shaft inboard through drive chain sprocket. Sprocket will hang in lower chain loop.
6. Remove carrier to crankcase attaching bolts to remove carrier.