Chrysler RAM TRUCK 2500 1994 Service Manual page 893

11 - 4 EXHAUST SYSTEM AND INTAKE MANIFOLD
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SERWICE PROCEDURES {GASOLINE ENGINES}
INDEX
page
Catalytic Converters
4
Engine Exhaust Manifold—V-10 Engine 11
Engine Exhaust Manifold—V-6 and V-8 Engines . . . 11
Exhaust Heat Shields 6
Exhaust Pipe
4
EXHAUST PIPE
REMOVAL
(1) Raise and support the vehicle.
(2) Saturate the bolts and nuts with heat valve lu­
bricant. Allow 5 minutes for penetration.
(3) Remove exhaust manifold bolts, retainers and
nuts (Fig. 1 or 2).
(4) Remove the clamp nuts (Fig. 1 or 3).
(5) Disconnect the exhaust pipe from the support
hangers on the 5.9L (Heavy Duty) and the 8.0L en­
gines (Fig. 2).
(6) Remove the exhaust pipe.
RETAINERS
EXHAUST
PIPE
J9411-24
Fig. 1 Exhaust Pipe for 3.9L, S.2L and 5.9L (Light
Duty)
CLEANING
Clean ends of pipes to assure mating of all parts.
I N S P E C T I O N
Discard rusted clamps, broken or worn supports
and attaching parts. Replace a component with orig­
inal equipment parts, or equivalent. This will assure
proper alignment with other parts i n the system and
provide acceptable exhaust noise levels.
page
Exhaust Tailpipe 6
Intake Manifold—V-10 Engine
9
Intake Manifold—V-6 and V-8 Engines . . . . . . . . . . . 6
Mufflers 5
RETAINERS
RIGHT SIDE
EXHAUST PIPE
J9411-23
Fig. 2 Exhaust Pipe for 5.9L (Heavy Duty) and 8.0L
INSTALLATION
(1) Connect the exhaust pipe support hangers on
the 5.9L (Heavy Duty) and the 8.0L engine (Fig. 2).
(2) Position the exhaust pipe for proper clearance
with underbody parts.
(3) Position the exhaust pipe to manifold. Install
the bolts, retainers and nuts. Tighten the nuts to 34
N-m (25 ft. lbs.) torque.
(4) Tighten the clamp nuts to 43 N-m (32 ft. lbs.)
torque.
(5) Lower the vehicle.
(6) Start the engine and inspect for exhaust leaks
and exhaust system contact with the body panels.
Adjust the alignment, i f needed.
CATALYTIC CONVERTERS
REMOVAL
(1) Raise and support vehicle.
(2) Saturate the bolts and nuts with heat valve lu­
bricant. Allow 5 minutes for penetration.
(3) Remove clamps and nuts (Fig. 1, 3 and 4).
(4) Disconnect the catalytic converter from the sup­
port hanger on the 3.9L, 5.2L and 5.9L (Light Duty)
engines (Fig. 1).