|
|
BALANCE SHAFTS AND DESCRIPTION The 2.4L engine is equipped with two nodular cast iron balance shafts installed in a cast aluminum car- OPERATION The balance shafts are driven by the crankshaft via a roller chain and sprockets. The balance shafts REMOVAL BALANCE SHAFTS/CHAIN/SPROCKETS NOTE: For service procedures requiring only tem- (1) Drain engine oil. 9 - ENGINE/LUBRICATION/OIL PAN - REMOVAL). (3) If replacing crankshaft sprocket, remove oil pump (Refer to 9 - ENGINE/LUBRICATION/OIL (4) Remove chain cover, guide and tensioner. Dis- card pivot screw and adjuster screw. (Fig. 109). (5) Remove screw retaining balance shaft drive sprocket (Fig. 110). 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 (double ended to also retain chain guide). Remove cover and (8) Remove rear cover and balance shafts (Fig. 112). (9) Remove four carrier to crankcase attaching bolts to separate carrier from engine bedplate. BALANCE SHAFT CARRIER The following components will remain intact dur- ing carrier removal: Gear cover, gears, balance shafts (1) Drain engine oil. 9 - ENGINE/LUBRICATION/OIL PAN - INSTALLA- (3) Remove chain cover, guide and tensioner (Fig. 109). Fig. 108 Balance Shafts and Carrier Assembly 1 - SPROCKET 7 - GEARS 2 - TENSIONER 8 - GEAR COVER 3 - PLUG 9 - CHAIN COVER 4 - CARRIER 10 - SPROCKET 5 - REAR COVER 11 - GUIDE 6 - BALANCE SHAFTS 12 - CHAIN TJ ENGINE 2.4L 9 - 63 |