Dodge Ram Truck 1500-2500-3500. Manual — part 232
1. A 1/2 inch square hole is provided in the automatic
belt tensioner. Attach a 1/2 inch drive-long handle
ratchet to this hole.
2. Rotate ratchet and tensioner assembly clockwise
(as viewed from front) until tension has been
relieved from belt.
3. Remove belt from water pump pulley first.
4. Remove belt from vehicle.
8.3L ENGINE
1. Remove the air intake tube between intake mani-
fold and air filter assembly (Refer to 9 - ENGINE/
AIR INTAKE SYSTEM/AIR CLEANER HOUSING -
REMOVAL).
2. Release the belt tension by rotating the tensioner
counterclockwise with a 15 mm wrench on the
tensioner pulley bolt. Rotate belt tensioner until belt
can be removed from pulleys.
3. Remove accessory drive belt.
4. Gently release tensioner.
Belt Routing – 5.9L Diesel Engine With A/C
7 - 34
ACCESSORY DRIVE
DR/DH
INSTALLATION
3.7L/4.7L ENGINE
Belt tension is not adjustable. Belt adjustment is main-
tained by an automatic ( spring load ) belt tensioner.
1. Check condition of all pulleys.
CAUTION: When installing the serpentine acces-
sory drive belt, the belt MUST be routed correctly.
If not, the engine may overheat due to the water
pump rotating in the wrong direction.
2. Install new belt. Route the belt around all pulleys
except the idler pulley. Rotate the tensioner arm
until it contacts it’s stop position. Route the belt
around the idler and slowly let the tensioner rotate
into the belt. Make sure the belt is seated onto all
pulleys.
3. With the drive belt installed, inspect the belt wear
indicator. On 4.7L Engines only, the gap between
the tang and the housing stop (measurement A)
must not exceed 24 mm (.94 inches). If the mea-
surement exceeds this specification replace the
serpentine accessory drive belt.
DR/DH
ACCESSORY DRIVE
7 - 35
5.7L ENGINE
NOTE: When installing accessory drive belt onto
pulleys, make sure that belt is properly routed and
all V-grooves make proper contact with pulleys.
1. Position the drive belt over all pulleys except for
the water pump pulley.
2. Rotate tensioner counterclockwise and slip the
belt over the water pump pulley.
3. Gently release tensioner.
4. Install the air intake tube between intake manifold
and air filter assembly.
5.9L DIESEL
CAUTION: When installing the accessory drive
belt, the belt must be routed correctly. If not,
engine may overheat due to water pump rotating
in wrong direction. Refer to or for correct engine
belt routing. The correct belt with correct length
must be used.
1. Position drive belt over all pulleys except water
pump pulley.
2. Attach a 1/2 inch ratchet to tensioner.
Belt Routing – 5.9L Diesel Engine With A/C
7 - 36
ACCESSORY DRIVE
DR/DH
3. Rotate ratchet and belt tensioner clockwise. Place
belt over water pump pulley. Let tensioner rotate
back into place. Remove ratchet. Be sure belt is
properly seated on all pulleys.
8.3L ENGINE
NOTE: When installing accessory drive belt onto
pulleys, make sure that belt is properly routed and
all V-grooves make proper contact with pulleys.
1. Position the drive belt over all pulleys except for
the water pump pulley.
2. Rotate tensioner counterclockwise and slip the
belt over the water pump pulley.
3. Gently release tensioner.
4. Install the air intake tube between intake manifold
and air filter assembly (Refer to 9 - ENGINE/AIR
INTAKE
SYSTEM/AIR
CLEANER
HOUSING
-
INSTALLATION).
Belt Routing - 5.9L Diesel Engine Without A/C
DR/DH
ACCESSORY DRIVE
7 - 37
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