Dodge Ram Truck 1500-2500-3500. Manual — part 234
CONTAINER-COOLANT RECOVERY-GAS ENGINES
DESCRIPTION
The coolant reserve/overflow tank is mounted on top
of the fan shroud, and is made of high temperature
plastic.
OPERATION
The coolant reserve/overflow system works in con-
junction with the radiator pressure cap. It utilizes ther-
mal expansion and contraction of coolant to keep
coolant free of trapped air. It provides a volume for
expansion and contraction of coolant. It also provides
a convenient and safe method for checking coolant
level and adjusting level at atmospheric pressure. This
is done without removing the radiator pressure cap.
The system also provides some reserve coolant to the
radiator to cover minor leaks and evaporation or boil-
ing losses.
As the engine cools, a vacuum is formed in the cool-
ing system of both the radiator and engine. Coolant
will then be drawn from the coolant tank and returned
to a proper level in the radiator.
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ENGINE
DR/DH
REMOVAL
3.7L/4.7L/5.7L ENGINE
1. Disconnect washer pump electrical connector.
2. Remove recovery hose (3) from radiator (4).
3. Remove the coolant container to fan shroud mount-
ing bolts (1).
4. Tilt the container (2) backward towards the engine
to disengage the mounting pin locking features and
lift the container away from the fan shroud (5).
5.9L DIESEL ENGINE
1. Remove overflow hose (5) from radiator (1)
2. Remove mounting bolts (4).
3. Remove coolant recovery bottle (2) from bracket
(3).
DR/DH
ENGINE
7 - 43
8.3L ENGINE
1. Remove coolant recovery tube from radiator filler
neck.
2. Remove coolant recovery container mounting bolt.
3. Remove coolant recover container.
INSTALLATION
3.7L/4.7L/5.7L ENGINE
1. Align the coolant container mounting pins into the
slots on the fan shroud (5)and push the container
onto the fan shroud.
2. Secure the container to the fan shroud with the
bolts (1). Tighten to 8.5N·m (75 in-lbs).
NOTE: Ensure that the locking feature on the
mounting pins has engaged.
3. Connect the recovery hose (3) to the radiator (4).
4. Connect washer pump electrical connector.
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ENGINE
DR/DH
5.9L DIESEL ENGINE
1. Position coolant recovery bottle (2) on bracket (3).
2. Install mounting bolts (4). Tighten to 8.5N·m (75 in-
lbs).
3. Install overflow hose (5) onto radiator (1).
8.3L ENGINE
1. Position coolant recover bottle.
2. Install mounting bolt. Tighten bolt to 10 N·m (89 in.
lbs.)
3. Route and connect coolant recovery tube to radia-
tor filler neck.
4. Check coolanrt level (Refer to 7 - COOLING -
STANDARD PROCEDURE).
DR/DH
ENGINE
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