Crankshaft oil seal-rear. Engine core plugs
REMOVAL NOTE: This procedure can be preformed in vehicle. (1) If being preformed in vehicle, remove the
transmission. Refer to Group 21, Transmission and
Transfer Case.
(2) Remove the flexplate. Refer to procedure in
this section. NOTE: The crankshaft oil seal CAN NOT be reused
after removal. NOTE: The crankshaft rear oil seal remover Special
Tool 8506 must be installed deeply into the seal.
Continue to tighten the removal tool into the seal
until the tool can not be turned farther. Failure to
install tool correctly the first time will cause tool to
pull free of seal without removing seal from engine. (3) Using Special Tool 8506 (Fig. 132), remove the
crankshaft rear oil seal.
Fig. 132 Crankshaft Rear Oil Seal Removal 1 - REAR CRANKSHAFT SEAL 2 - SPECIAL TOOL 8506 INSTALLATION (1) Position the magnetic seal guide Special Tool
8349-2 (Fig. 133) onto the crankshaft rear face. Then
position the crankshaft rear oil seal onto the guide.
(2) Using Special Tools 8349 Crankshaft Rear Oil
Seal Installer and C-4171 Driver Handle (Fig. 134),
with a hammer, tap the seal into place. Continue to
tap on the driver handle until the seal installer seats
against the cylinder block crankshaft bore.
(3) Install the flexplate.
(4) If removed, install the transmission.
Fig. 133 Crankshaft Rear Oil Seal Guide Special Tool 8349-2 and Oil Seal 1 - REAR CRANKSHAFT SEAL 2 - SPECIAL TOOL 8349-2 GUIDE
Fig. 134 Crankshaft Rear Oil Seal Installation 1 - REAR CRANKSHAFT SEAL 2 - SPECIAL TOOL 8349-1 INSTALLER 3 - SPECIAL TOOL C-4171 HANDLE REMOVAL (1) Drain the cooling system. Refer to Group 7,
Cooling System for procedure.
(2) Using a blunt tool such as a drift or a screw
driver and a hammer, strike the bottom edge of the
cup plug (Fig. 135).
Fig. 135 Engine Core Plug Removal 1 - CYLINDER BLOCK 2 - REMOVE PLUG WITH PLIERS 3 - STRIKE HERE WITH HAMMER 4 - DRIFT PUNCH 5 - CUP PLUG (3) Using a suitable pair of pliers, grasp the core
plug and remove. INSTALLATION NOTE: Thoroughly clean core plug bore, remove all
of the old sealer. (1) Coat the edges of the engine core plug and the
core plug bore with Mopar Gasket Maker, or equivalent. NOTE: It is not necessary to wait for the sealant to
cure on the core plugs. The cooling system can be
filled and the vehicle returned to service immediately. (2) Using proper plug driver, drive core plug into
the core plug bore. The sharp edge of the core plug
should be at least 0.50 mm (0.020 in.) inside the lead
in chamfer.
(3) Refill the cooling system.Crankshaft oil seal-rear
Engine core plugs
Dodge Durango (DN) 1998-2003 Service Manual
- Lubrication and Maintenance
- Suspension
- Differential and Driveline
- Brakes
- Cooling System
- Battery
- Starting Systems
- Charging System
- Ignition System
- Instrument Panel Systems
- Audio Systems
- Horn Systems
- Speed Control System
- Turn Signal and Hazard Warning Systems
- Wiper and Washer Systems
- Lamps
- Passive Restraint Systems
- Electrically Heated Systems
- Power Distribution System
- Power Lock Systems
- Vehicle Theft/Security Systems
- Power Seat System
- Power Window Systems
- Power Mirror Systems
- Chime/Buzzer Warning Systems
- Overhead Console Systems
- Engine
- Exhaust System
- Frame and Bumpers
- Fuel System
- Steering
- Transmission and Transfer Case
- Tires and Wheels
- Body
- Heating and Air Conditioning
- Emission Control Systems
- Introduction