EXHAUST SYSTEM PART 8: MAINTENANCE AND SERVICE
– 190 – Y53-6007 (R10/06)
WARNING! Do not operate engine with turbo-
charger intake piping disconnected. Working
around a turbocharger with the intake piping
removed can be dangerous. A suction is cre
-
ated when the engine is running. This suction
could draw your hand or anything else near it
into the impeller fan. You cold be seriously
injured. Always keep the intake piping con
-
nected when you will be running the engine.
• Lubricating System: Check the oil lines, housing, and
connections. Look for leaks, damage, or deterioration.
Leaks could mean you have damaged oil lines or oil
seals.
• Manifold: With the engine operating, check for leaking
manifold or flange gaskets.
• High Frequency Vibration: Vibration may indicate
turbo rotor imbalance. Have your dealer investigate
this immediately.
Exhaust System
Details of inspection and maintenance of your exhaust
system are covered under Noise Control System. Check
the Index for page reference.
Anti-lock Braking System (ABS)
For details of use and maintenance of your anti-lock sys-
tem, see the anti-lock braking system service literature
that came with your truck.
Below are some general notes on repairing your anti-lock
braking system:
• The foundation brake system must be in proper work-
ing order to ensure the best ABS performance.
• Before welding anywhere on the vehicle, detach the
ABS ECU connector and all other electronic control
units.
• Never detach the ECU connector with the ignition
turned on.
• Do not attempt to repair ABS/ASR/ATC electrical
cables that are outside the vehicle. Replace faulty
cables as an assembly.
• When servicing brakes, hubs, or axle, recoat the ABS
sensors with anti-seize compound. Make sure the
sensor is pushed against the pulse wheel after the
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