Chrysler PT Cruiser. Manual — part 465
CAUTION: Make sure O-ring gasket is properly
seated in water pump groove before tightening
screws. An improperly located O-ring may cause
damage to the O-ring, resulting in a coolant leak.
(3) Assemble pump body to block (Fig. 40) and
tighten screws to 12 N·m (105 in. lbs.).
(4) Rotate pump by hand to check for freedom of
movement.
(5) Fill cooling system (Refer to 7 - COOLING/EN-
GINE - STANDARD PROCEDURE). Pressurize cool-
ing system to 103 Kpa (15 psi) with pressure tester
and check water pump shaft seal and O-ring for
leaks.
(6) Install rear timing belt cover and camshaft
sprockets (Refer to 9 - ENGINE/VALVE TIMING/
TIMING BELT AND SPROCKETS - INSTALLA-
TION).
(7) Install timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT AND SPROCKETS -
INSTALLATION).
WATER PUMP INLET TUBE
REMOVAL
The water pump inlet tube connects the water
pump to the radiator and heater core. This tube is
sealed by an O-ring and held in place by fasteners to
the block.
CAUTION: Do not use any sharp tools to remove
hoses from inlet tube. This may cause the tube to
leak.
(1) Drain cooling system (Refer to 7 - COOLING/
ENGINE - STANDARD PROCEDURE).
(2) Remove upper radiator closure panel and cen-
ter brace (Refer to 23 - BODY/EXTERIOR/RADIA-
TOR CLOSURE PANEL - REMOVAL).
(3) Remove lower radiator hose and heater return
hose from the inlet tube (Fig. 42).
(4) Remove the inlet tube to block bolts (Fig. 42).
(5) Rotate tube while removing from the engine
block (Fig. 43).
Fig. 41 Water Pump Body
1 - IMPELLER
2 - WATER PUMP BODY
3 - O-RING LOCATING GROOVE
Fig. 42 Water Pump Inlet Tube Fasteners
1 - BOLTS
2 - HOSE - HEATER RETURN
3 - WATER PUMP INLET TUBE
7 - 62
ENGINE - 2.0/2.4L DOHC
PT
WATER PUMP (Continued)
INSTALLATION
(1) Inspect the O-ring for damage before installing
the tube (Fig. 43). Replace O-ring as necessary.
(2) Lubricate
O-ring
with
Mopar
t Dielectric
Grease and install inlet tube into the cylinder block
opening (Fig. 43).
(3) Install inlet tube bolts and tighten to 12 N·m
(105 in. lbs.) (Fig. 42).
(4) Connect lower radiator hose and heater return
hose to inlet tube (Fig. 42).
(5) Install upper radiator closure panel and center
brace (Refer to 23 - BODY/EXTERIOR/RADIATOR
CLOSURE PANEL - INSTALLATION).
(6) Fill cooling system (Refer to 7 - COOLING/EN-
GINE - STANDARD PROCEDURE).
(7) Pressure test system to 103 kPa (15 psi) and
check for leaks.
Fig. 43 Water Pump Inlet Tube—Installation
1 - TUBE
2 - O-RING
PT
ENGINE - 2.0/2.4L DOHC
7 - 63
WATER PUMP INLET TUBE (Continued)
TRANSMISSION
TABLE OF CONTENTS
page
page
TRANSMISSION COOLER HOSES
. . . . . . . . . . . . . . . . . . . . . . . . . 64
AUTOMATIC TRANSMISSION OIL COOLER
. . . . . . . . . . . . . . . . . . . . . . . . . 64
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
. . . . . . . . . . . . . . . . . . . . . . . . . . 65
. . . . . . . . . . . . . . . . . . . . . . . . . 66
TRANSMISSION COOLER
HOSES
DESCRIPTION
The transmission oil cooling circuit uses special
aggressive fittings for the transmission oil cooler
hoses. Whenever a transmission oil cooler hose is
removed from a transmission fitting (at transmis-
sion), it must be cut off flush with the fitting, and a
service splice kit must be used upon reassembly.
Refer to instructions provided with splice kit. When-
ever a transmission oil cooler hose is removed from a
transmission oil cooler fitting (at radiator), it must be
replaced with a new hose. Removing the hose from
the aggressive fitting will scrape material from inside
the hose making the hose larger. Failure to replace
the hose or install a service splice kit will result in
transmission oil leaks.
When hose clamp replacement is necessary, replace
with constant tension spring type hose clamps.
Always use proper hose clamp pliers on clamps. Use
of improper hose clamp pliers may bend hose clamps
out-of-round resulting in transmission oil leaks.
AUTOMATIC TRANSMISSION
OIL COOLER
DESCRIPTION
Non - Turbo
The automatic transmission oil cooler consists of
an external air-to-oil type mounted in front of the
radiator (Fig. 1). Rubber hoses connect the oil coolers
to the automatic transmission. Use only approved
transmission oil cooler hoses and clamps for replace-
ment. The hoses are molded to the fit space avail-
able.
Turbo
The automatic transmission oil cooler consists of
an external air-to-oil type mounted in front of the air
conditioning condenser (Fig. 2). Rubber hoses connect
the oil cooler to the automatic transmission. Use only
approved transmission oil cooler hoses and clamps
for replacement. The hoses are molded to the fit
space available.
REMOVAL
Non - Turbo
(1) Remove front fascia (Refer to 13 - FRAME &
BUMPERS/BUMPERS/FRONT
FASCIA
-
REMOVAL).
NOTE: When the transaxle cooler lines are removed
from the rolled-groove type fittings at the cooler
and transaxle, damage to the inner wall of hose will
occur. To prevent potential leakage, the cooler
hoses and clamps must be replaced.
(2) Loosen hose clamps. Disconnect hoses from
transmission oil cooler (Fig. 3).
(3) Remove
screws
attaching
transmission
oil
cooler to radiator (Fig. 3).
(4) Remove transmission oil cooler (Fig. 3).
Fig. 1 Automatic Transmission Oil Cooler
7 - 64
TRANSMISSION
PT
Turbo
NOTE: When the transaxle cooler lines are removed
from the rolled-groove type fittings at the cooler
and transaxle, damage to the inner wall of hose will
occur. To prevent potential leakage, the cooler
hoses and clamps must be replaced.
(1) Remove grille (Refer to 23 - BODY/EXTERIOR/
GRILLE - REMOVAL).
(2) Remove upper radiator closure panel (Refer to
23
-
BODY/EXTERIOR/RADIATOR
CLOSURE
PANEL - REMOVAL) (Fig. 4).
(3) Remove radiator closure panel center brace
(Fig. 4).
(4) Remove fasteners attaching transmission oil
cooler to air conditioning condenser (Fig. 5).
(5) Loosen hose clamps. Disconnect hoses from
transmission oil cooler.
(6) Remove transmission oil cooler.
CLEANING
Check the external cooler for debris on the cooling
fin surfaces. Clean as necessary.
INSPECTION
Inspect all hoses, tubes, clamps and connections for
leaks, cracks, or damage. Replace as necessary. Use
only approved transmission oil cooler hoses that are
molded to fit the space available.
Inspect external coolers for leaks, loose mounts, or
damage. Replace as necessary.
Fig. 2 Cooling Module - 2.4L Turbo
1 - RADIATOR
2 - A/C CONDENSER
3 - AUTOMATIC TRANSMISSION OIL COOLER
4 - AIR SEALS
5 - CHARGE AIR COOLER
Fig. 3 Automatic Transmission Oil Cooler -
Removal/Installation
1 - FRONT BUMPER (FASCIA REMOVED)
2 - TRANSMISSION OIL COOLER
3 - HOSES
4 - SCREWS
Fig. 4 Upper Radiator Closure Panel and Center
Brace
1 - UPPER RADIATOR CLOSURE PANEL
2 - CENTER BRACE
PT
TRANSMISSION
7 - 65
AUTOMATIC TRANSMISSION OIL COOLER (Continued)
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