Dodge RAM 1500 1998 Owner's Manual page 1530

DR
EXHAUST SYSTEM (Continued)
DIAGNOSIS AND TESTING - DIESEL ENGINE
CONDITION
EXCESSIVE EXHAUST NOISE OR
LEAKING EXHAUST GASES
SPECIFICATIONS - TORQUE
DESCRIPTION
Bolt-Adjusting Strap
Nuts-Air Heater Power
Supply
Bolts-Air Inlet Housing
Nuts-Cab Heater Supply/
Return Line
Nuts-Exhaust Clamp
Bolts-Exhaust Manifold to
Cylinder Head-(Diesel
Engine)
Bolts-Exhaust Manifold to
Cylinder Head-(5.9L)
Bolts-Exhaust Manifold to
Cylinder Head-(8.0L)
Bolts-Exhaust Pipe to
Manifold
Bolts-Generator Mounting
EXHAUST SYSTEM DIAGNOSIS CHART
POSSIBLE CAUSE
1. Leaks at pipe joints.
2. Rusted or blown out muffler.
3. Broken or rusted out exhaust
pipe.
4. Exhaust pipe leaking at manifold
flange.
5. Exhaust manifold cracked or
broken.
6. Leak between exhaust manifold
and cylinder head.
7. Turbocharger mounting flange
cracked.
8. Restriction in exhaust system.
N·m Ft. In.
Lbs. Lbs.
23 - 200
14 - 124
24 18 -
24 18 -
54.3 40 -
43 32 -
31 23 -
22 - 195
31 23 -
41 30 -
1. Tighten clamps/bolts at leaking
joints.
2. Replace muffler. Inspect exhaust
system.
3. Replace exhaust pipe.
4. Tighten/replace flange attaching
nuts/bolts.
5. Replace exhaust manifold.
6. Tighten exhaust manifold to
cylinder head bolts. Replace gasket
if necessary.
7. Remove turbocharger and
inspect. (Refer to 11 - EXHAUST
SYSTEM/TURBOCHARGER
SYSTEM/TURBOCHARGER -
REMOVAL).
8. Remove restriction, if possible.
Replace restricted part if necessary.
DESCRIPTION
Bolts-Charge Air Cooler
Mounting
Nuts-Charge Air Cooler Duct
Bolt-Generator to Block-
Diesel
Nuts and Bolts-Heat Shield
Turbocharger flange studs
Nuts-Turbocharger Mounting
Bolts-Turbocharger Oil Drain
Tube
Fitting-Turbocharger Oil
Supply Line
Nut-Turbocharger V-Band
Clamp
Turbocharger Oil Supply
fitting (at Turbocharger)
Turbocharger Oil Supply
fitting (at lube filter head)
Turbocharger Drain Hose
Clamps
EXHAUST SYSTEM
CORRECTION
N·m Ft.
Lbs.
2 -
11 -
24 18
11 -
24 18
43 32
24 18
24 18
5.6 -
36 27
24 18
8 -
11 - 5
In.
Lbs.
17
95
-
95
-
-
-
-
70
-
-
71