Balance Shafts/Chain/Sprockets

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For service procedures requiring only temporary relocation of carrier assembly refer to BALANCE SHAFTS AND CARRIER ASSEMBLY .

Drain engine oil.
Remove the oil pan and pick-up tube (Refer to ENGINE/LUBRICATION/OIL PAN - REMOVAL) .

If replacing crankshaft sprocket, remove oil pump (Refer to ENGINE/LUBRICATION/OIL PUMP - REMOVAL) .

Fig 1: Chain Cover, Guide and Tensioner

Courtesy of DAIMLERCHRYSLER CORP.

1 - STUD

2 - TENSIONER (ADJUSTER)

3 - GEAR COVER

4 - ADJUSTER SCREW

5 - SHOULDERED PIVOT SCREW

6 - CHAIN COVER (CUTAWAY)

7 - GUIDE

Remove chain cover, guide and tensioner. Discard pivot screw and adjuster screw. See Fig 1.
Remove screw retaining balance shaft drive sprocket. See Fig 2. Remove chain and sprocket.

Using two wide pry bars, work the crankshaft sprocket back and forth until it is off the crankshaft.

Fig 2: Drive Chain and Sprockets

Courtesy of DAIMLERCHRYSLER CORP.

1 - NICKEL PLATED LINK AND MARK

2 - GEAR/SPROCKET SCREWS

3 - NICKEL PLATED LINK AND DOT

Remove gear cover retaining stud (double ended to also retain chain guide). Remove cover and balance shaft gears. See Fig 3.

Fig 3: Gear Cover and Gears

Courtesy of DAIMLERCHRYSLER CORP.

1 - STUD (DOUBLE ENDED)

2 - DRIVE GEAR

3 - DRIVEN GEAR

4 - CARRIER DOWEL

5 - GEAR(S)

6 - GEAR COVER

Fig 4: Balance Shaft - Removal/Installation

Courtesy of DAIMLERCHRYSLER CORP.

1 - REAR COVER

2 - CARRIER

3 - BALANCE SHAFT

Remove rear cover and balance shafts. See Fig 4.
Remove four carrier to crankcase attaching bolts to separate carrier from engine bedplate.