DODGE RAM 1999 Service Repair Manual

specification .......... B .. Require repair or replacement.
Sensor housing cracked .. 2 ............ Suggest replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... (2) Require repair or
replacement.
Terminal burned, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
Wire lead conductors
exposed ................ B .. Require repair or replacement.
Wire lead corroded ...... A .. Require repair or replacement.
Wire lead misrouted ..... B .... Require re-routing according
to vehicle manufacturer's
specifications.
Wire lead open .......... A .. Require repair or replacement.
Wire lead shorted ....... A .. Require repair or replacement.
( 1) - If a sensor is not adjustable, further inspection is
required to identify and correct cause.
( 2) - Determine cause and correct prior to repair or
replacement of part.
( 3) - Determine source of contamination, such as metal particles
or water. Require repair or replacement.
( 4) - Inoperative includes intermittent operation or out of OEM
specification. Some components may be serviceable;
check for accepted cleaning procedure.









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SPEEDOMETER-DRIVEN GEAR HOUSINGS
See SPEEDOMETER/ODOMETER DRIVES (MECHANICAL) .
SPEEDOMETER/ODOMETER DRIVES (MECHANICAL)
SPEEDOMETER/ODOMETER DRIVE (MECHANICAL) INSPECTION








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Condition Code Procedure
Application incorrect ... B ............ Require replacement.
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Inoperative ............. A ........ ( 1) Require replacement.
Leaking ................. A .. Require repair or replacement.
Missing ................. C ............ Require replacement.
Teeth broken ............ A .. Require repair or replacement.

Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
Worn close to the end of
its useful life ........ 1 ............ Suggest replacement.
Worn, affecting
performance ............ A ............ Require replacement.
(1) - Inoperative includes intermittent operation.









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SPEEDOMETER/ODOMETER HEADS (MECHANICAL)
SPEEDOMETER/ODOMETER HEAD (MECHANICAL) INSPECTION








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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Lens broken ............. A ........... ( 1) Require repair or
replacement.
Lens cloudy ............. 2 ........... ( 1) Suggest repair or
replacement.
Lens missing ............ C ........... ( 1) Require repair or
replacement.
Malfunctioning .......... A ........... ( 2) Require repair or
replacement.
Noisy ................... 2 .. Suggest repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
( 1) - If lens is available as a separate part, require
replacement of lens only.
( 2) - Includes inoperative, intermittent operation, failure
to perform all functions, out of OEM specification, or
out of range.









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SPEEDOMETERS AND ODOMETERS (ELECTRONIC)
SPEEDOMETER AND ODOMETER (ELECTRONIC) INSPECTION








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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Connector broken ........ A .. Require repair or replacement.
Connector (Weatherpack

type) leaking .......... A .. Require repair or replacement.
Connector melted ........ A ........... (1) Require repair or
replacement.
Connector missing ....... C ............ Require replacement.
Leaking ................. A ............ Require replacement.
Lens broken ............. A ........... ( 2) Require repair or
replacement.
Lens cloudy ............. 2 ........... ( 2) Suggest repair or
replacement.
Lens missing ............ C ........... ( 2) Require repair or
replacement.
Malfunctioning .......... A ........... ( 3) Require repair or
replacement.
Mechanical head noisy ... 2 .. Suggest repair or replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Terminal burned, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
( 1) - Determine cause and correct prior to repair or
replacement of part.
( 2) - If lens is available as a separate part, require
replacement of lens only.
( 3) - Includes inoperative, intermittent operation, failure
to perform all functions, out of OEM specification,
or out of range.









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SWITCHES
SWITCH INSPECTION








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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Binding, affecting
performance ............ A .. Require repair or replacement.
Binding, not affecting
performance ............ 2 .. Suggest repair or replacement.
Broken .................. A .. Require repair or replacement.
Burned, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Burned, not affecting
performance ............ 2 ........... ( 1) Suggest repair or

replacement.
Cracked, affecting
performance ............ A .. Require repair or replacement.
Cracked, not affecting
performance ............ 1 .. Suggest repair or replacement.
Leaking ................. A .. Require repair or replacement.
Malfunctioning .......... A ........... (2) Require repair or
replacement.
Melted, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Melted, not affecting
performance ............ 2 ........... ( 1) Suggest repair or
replacement.
Missing ................. C ............ Require replacement.
Out of adjustment ....... B .. Require repair or replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Terminal burned, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
Won't return ............ A .. Require repair or replacement.
Worn .................... 1 ............ Suggest replacement.
( 1) - Determine cause and correct prior to repair or
replacement of part.
( 2) - Includes inoperative, intermittent operation, or
failure to perform all functions.









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TONE WHEELS
See TOOTHED RINGS (TONE WHEELS) .
TOOTHED RINGS (TONE WHEELS)
If the toothed ring requires replacement and cannot be
replaced as a separate component, replace the assembly of which the
ring is a part.
TOOTHED RING (TONE WHEEL) INSPECTION









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Condition Code Procedure
Alignment incorrect ..... B .. Require repair or replacement.
Bent .................... B ............ Require replacement.
Contaminated, affecting
performance ............ A .... Require repair. Identify and
correct cause.
Cracked ................. B ............ Require replacement.
Loose ................... A ..... Require replacement of worn
parts.
Missing ................. C ............ Require replacement.
Number of teeth

incorrect .............. B ............ Require replacement.
Teeth broken ............ A ............ Require replacement.
Teeth damaged, affecting
performance ............ A ............ Require replacement.









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TORQUE CONVERTERS
TORQUE CONVERTER INSPECTION








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Condition Code Procedure
Converter clutch lock-up
operation is faulty .... A ............ Require replacement.
Cover shell damaged,
affecting performance .. A ............ Require replacement.
Does not meet stall speed
specification .......... B ............ Require replacement.
End play exceeds
specifications ......... B ............ Require replacement.
Hub broken .............. A ............ Require replacement.
Hub cracked ............. A ............ Require replacement.
Internal component
failure ................ A ............ Require replacement.
Leaking ................. A .. Require repair or replacement.
Pilot broken ............ A ............ Require replacement.
Pilot worn, affecting
performance ............ A ............ Require replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
Weights missing ......... C ............ Require replacement.









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TRANSAXLE MOUNTS
See MOUNTS (ENGINE, TRANSAXLE AND TRANSMISSION) .
TRANSDUCERS (TRANSMISSION)
See SENSORS.
TRANSMISSION COOLERS
TRANSMISSION COOLER INSPECTION








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Condition Code Procedure
Air flow obstruction .... A ................. Require repair.
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A .. Require repair or replacement
of hardware.
Connection leaking ...... A .. Require repair or replacement.
Contaminated ............ A .. Require repair or replacement.
Corroded ................ 1 .. Suggest repair or replacement.
Fins damaged, affecting

performance ............ A .. Require repair or replacement.
Fins damaged, not
affecting performance .. .. ........ No service suggested or
required.
Internal restrictions ... B .. Require repair or replacement.
Leaking ................. A .. Require repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A .. Require repair or replacement.
Tubes damaged, affecting
performance ............ A .. Require repair or replacement.
Tubes damaged, not
affecting performance .. .. ........ No service suggested or
required.









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TRANSMISSION MOUNTS
See MOUNTS (ENGINE, TRANSAXLE AND TRANSMISSION) .
TRANSMISSION PANS
TRANSMISSION PAN INSPECTION








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Condition Code Procedure
Bent, interfering with
filter or other internal
components ............. A .. Require repair or replacement.
Leaking ................. A .. Require repair or replacement.









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TRANSMISSION RANGE INDICATORS (PRNDL)
TRANSMISSION RANGE INDICATOR (PRNDL) INSPECTION








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Condition Code Procedure
Binding ................. A .. Require repair or replacement.
Broken .................. A .. Require repair or replacement.
Components missing ...... C .. Require replacement of missing
components.
Loose, affecting
performance ............ A .. Require repair or replacement.
Out of adjustment ....... A ................. Require repair.
Worn, affecting
performance ............ A .. Require repair or replacement.









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TUBES
See HOSES, LINES AND TUBES .
UNIVERSAL JOINTS (CARDON OR CROSS TYPE)
UNIVERSAL JOINT (CARDON OR CROSS TYPE) INSPECTION








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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.

Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Bearing cap distorted ... B ............ Require replacement.
Binding ................. A ............ Require replacement.
Cross (trunion) worn,
affecting performance .. A ............ Require replacement.
Double cardon centering
ball damaged ........... A ............ Require replacement.
Double cardon centering
ball worn, affecting
performance ............ A ............ Require replacement.
Double cardon centering
spring broken .......... A ............ Require replacement.
Double cardon centering
spring missing ......... C ............ Require replacement.
Double cardon centering
spring weak ............ A ............ Require replacement.
End cap seal cracked .... 2 ............ Suggest replacement.
End cap seal missing .... C .... Require replacement of seal.
Grease fitting broken ... A ...... (1) Require replacement of
grease fitting.
Grease fitting missing .. C ...... ( 2) Require replacement of
grease fitting.
Rust-colored powder around
end cap seals .......... A ............ Require replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
Worn, affecting
performance ............ A ............ Require replacement.
( 1) - A broken grease fitting does not require replacement
of the U-Joint.
( 2) - A missing grease fitting does not require replacement
of the U-Joint.









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VACUUM CONTROLS
See ACTUATORS (VACUUM) .
VACUUM HOSES
See HOSES, LINES AND TUBES .
VACUUM MOTORS
See ACTUATORS (VACUUM) .
VACUUM-OPERATED SWITCHES
See SWITCHES.
VEHICLE SPEED SENSORS
See SPEED SENSORS (ELECTRONIC WHEEL AND VEHICLE) .
VENTS

VENT INSPECTION








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Condition Code Procedure
Broken .................. A ............ Require replacement.
Missing ................. C ............ Require replacement.
Plugged ................. A ........... (1) Require repair or
replacement.
( 1) - A plugged vent may force fluid past the seal.









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VIBRATION DAMPERS
VIBRATION DAMPER INSPECTION








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Condition Code Procedure
Broken .................. A ............ Require replacement.
Missing ................. C ............ Require replacement.
Out of position ......... B .. Require repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.









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WHEEL ATTACHMENT HARDWARE
NOTE: For conditions noted below, also check conditions of
wheel stud holes.
CAUTION: Proper lug nut torque is essential. Follow recommended
torque specifications and tightening sequence. DO NOT
lubricate threads unless specified by the vehicle
manufacturer.
WHEEL ATTACHMENT HARDWARE INSPECTION









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Condition Code Procedure
Bent .................... A ............ Require replacement.
Broken .................. A ........ ( 1) Require replacement.
Loose ................... B ... Require repair or replacement
of affected component.
Lug nut installed
backward ............... B .. Require repair or replacement.
Lug nut mating surface
dished ................. A ..... Require replacement of nut.
Lug nut mating type
incorrect .............. B ..... Require replacement of nut.
Lug nut rounded ......... A . ( 2) Require replacement of nut.
Lug nut seized .......... A . ( 2) Require replacement of nut.
Stud incorrect .......... B .... Require replacement of stud.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
( 1) - Some manufacturers require replacement of all studs on
that wheel if two or more studs or nuts on the same wheel
are broken or missing.
( 2) - Only required if removing wheel.









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WHEEL SPEED SENSORS
See SPEED SENSORS (ELECTRONIC WHEEL AND VEHICLE) .
WIRING HARNESSES AND CONNECTORS
WIRING HARNESS AND CONNECTOR INSPECTION








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Condition Code Procedure
Application incorrect ... B .. Require repair or replacement.
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A .. Require repair or replacement
of hardware.
Connector broken ........ A .. Require repair or replacement.
Connector (Weatherpack
type) leaking .......... A .. Require repair or replacement.
Connector melted ........ A ........... ( 1) Require repair or
replacement.
Connector missing ....... C ............ Require replacement.
Insulation damaged,
conductors exposed ..... A .. Require repair or replacement.
Insulation damaged,
conductors not exposed . 1 ............ Suggest replacement.
Open .................... A .. Require repair or replacement.
Protective shield
(conduit) melted ....... 2 ........... ( 1) Suggest repair or
replacement.
Protective shield
(conduit) missing ...... 2 .. Suggest repair or replacement.
Resistance (voltage drop)
out of specification ... A .. Require repair or replacement.
Routed incorrectly ...... B ................. Require repair.
Secured incorrectly ..... B ................. Require repair.
Shorted ................. A .. Require repair or replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Terminal burned, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
Transmission connector
leaking ................ .. ..... See TRANSMISSION ASSEMBLY.
Voltage drop out of
specification .......... A .. Require repair or replacement.
( 1) - Determine cause and correct prior to repair or
replacement of part.

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YOKES AND SLIP YOKES
YOKE AND SLIP YOKE INSPECTION








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Condition Code Procedure
Bearing cap bore
distorted .............. A .. Require repair or replacement.
Bent .................... A ............ Require replacement.
Bolt holes elongated .... A .. Require repair or replacement.
Bushing or seal surface
worn, affecting
performance ............ A .. Require repair or replacement.
Leaking through soft yoke
plug ................... A ... Require repair or replacement
of soft yoke plug.
Retainer strap bent ..... A .......... Require replacement of
retainer strap.
Slip yoke broken ........ A ............ Require replacement.
Splines worn, affecting
performance ............ A ............ Require replacement.
Splines worn close
to the end of their
useful life ............ 1 ............ Suggest replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
U-bolt damaged, affecting
performance ............ A ............. Require replacement
of U-bolts.
Yoke damaged, affecting
performance ............ A .. Require repair or replacement.









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