Air-To-Oil C O O L E R - 5 . 9 L Diesel Engine - Dodge ram truck 3500 1996 Service Manual

7 - 52 COOLING SYSTEM B R
REMOVAL AND INSTALLATION (Continued)
WATER-TO-OIL COOLER—5.9L DIESEL ENGINE AIR-TO-OIL COOLER—5 J L DIESEL ENGINE
REMOVAL
CAUTION: If a leak should occur in the water-to-oil
cooler mounted to the side of the engine block,
engine coolant may become mixed with transmis­
sion fluid. Transmission fluid may also enter engine
cooling system. Both cooling system and transmis­
sion should be drained and inspected in case of oil
cooler leakage.
(1) Disconnect both negative battery cables at bat­
teries.
(2) Remove air cleaner assembly and air cleaner
intake hoses. Refer to Group 14, Fuel System for pro­
cedures.
(3) Drain cooling system. Refer to Draining Cool­
ing System.
(4) Disconnect coolant lines from cooler.
(5) Disconnect transmission oil lines from cooler.
Plug cooler lines to prevent oil leakage.
(6) Remove oil cooler mounting straps (Fig. 82).
TRANSMISSION
WATER-TO-OIL
COOLER
J9407-47
Fig. 82 Transmission Water-To- Oil Cooler—Diesel
(7) Lift oil cooler off of mounting bracket.
INSTALLATION
(1) Position oil cooler on bracket.
(2) Install mounting straps.
(3) Connect transmission oil lines to cooler.
(4) Connect coolant hoses to cooler.
(5) Connect negative battery cables to both batter­
ies.
(6) Fill cooling system. Refer to Refilling Cooling
System in this section.
(7) Check transmission oil level and fill as neces­
sary.
(8) Install air cleaner assembly and air cleaner
intake hoses. Refer to Group 14, Fuel System for pro­
cedures.
REMOVAL
(1) Remove front bumper. Refer to Group 23, Body.
(2) Place a drain pan under the oil cooler.
(3) Raise the vehicle.
(4) Disconnect the oil cooler quick-connect fittings
from the transmission lines. These are located near
the power steering gearbox. Refer to Group 21,
Transmissions for procedures.
(5) Remove the charge air cooler-to-oil cooler bolt
(Fig. 83).
C H A R G E AIR
C O O L E R (INTERCOOLER)
T R A N S M I S S I O N
OIL C O O L E R
M O U N T I N G
NUTS (2)
QUICK-
C O N N E C T
FITTINGS (2) J9407-42
Fig. 83 Air-to-Oil Cooler—Diesel Engine
(6) Remove two mounting nuts.
(7) Remove the oil cooler and line assembly
towards the front of vehicle. Cooler must be rotated
and tilted into position while removing.
INSTALLATION
(1) Carefully position the oil cooler assembly to the
vehicle.
(2) Install two nuts and one bolt. Tighten to 11
N-m (95 in. lbs.) torque.
(3) Connect the quick-connect fittings to the trans­
mission cooler lines. Refer to Group 21, Transmis­
sions for procedures.
(4) Install front bumper. Refer to Group 23, Body.
(5) Start the engine and check all fittings for
leaks.
(6) Check the fluid level i n the automatic trans­
mission. Refer to Group 21, Transmissions for proce­
dures.