1993 CHEVROLET PLYMOUTH ACCLAIM Service Manual

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Page 345 of 2438

CHEVROLET PLYMOUTH ACCLAIM 1993 Service Manual Fig. 4 Engine Inlet Coolant Pipes
Fig. 5 Cooling System OperationÐ3.3/3.8L Engines
Ä COOLING SYSTEM 7 - 3

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CHEVROLET PLYMOUTH ACCLAIM 1993 Service Manual COOLING SYSTEM DIAGNOSIS
7 - 4 COOLING SYSTEM Ä

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CHEVROLET PLYMOUTH ACCLAIM 1993 Service Manual COOLING SYSTEM DIAGNOSIS
Ä COOLING SYSTEM 7 - 5

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CHEVROLET PLYMOUTH ACCLAIM 1993 Service Manual COOLING SYSTEM DIAGNOSIS
7 - 6 COOLING SYSTEM Ä

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CHEVROLET PLYMOUTH ACCLAIM 1993 Service Manual COOLING SYSTEM DIAGNOSIS
Ä COOLING SYSTEM 7 - 7

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CHEVROLET PLYMOUTH ACCLAIM 1993 Service Manual COOLING SYSTEM DIAGNOSIS
7 - 8 COOLING SYSTEM Ä

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CHEVROLET PLYMOUTH ACCLAIM 1993 Service Manual COOLING SYSTEM DIAGNOSIS
Ä COOLING SYSTEM 7 - 9

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CHEVROLET PLYMOUTH ACCLAIM 1993 Service Manual SERVICE PROCEDURES INDEX
page page
Automatic Transmission Oil Coolers .......... 23
Coolant ................................ 14
Coolant Recovery System (CRS) ............. 17
Cooling System Dra

SERVICE PROCEDURES INDEX
page page
Automatic Transmission Oil Coolers .......... 23
Coolant ................................ 14
Coolant Recovery System (CRS) ............. 17
Cooling System Drain, Clean, Flush and Refill . . 15
Electric Fan Motor ........................ 22
Engine Thermostats ....................... 13
Fan Shroud ............................. 23 Fans
.................................. 21
Radiator Hoses .......................... 21
Radiator Pressure Cap .................... 18
Radiators ............................... 18
Testing System for Leaks .................. 17
Water Pumps ........................... 10
WATER PUMPS
A quick test to tell whether or not the pump is
working is to see if the heater warms properly. A
defective pump will not be able to circulate heated
coolant through the long heater hose. The water pump on all models can be replaced
without discharging the air conditioning system.
WATER PUMPÐ2.2/2.5L ENGINE
The 2.2/2.5L engine water pump has a diecast alu-
minum body and housing with a stamped steel impel-
ler. The 2.2/2.5L pump uses an O-ring gasket between
body and housing. The assembly bolts directly to the
block. Cylinder block to water pump sealing is provided
by a rubber O-ring.
REMOVAL (1) Drain cooling system. Refer to Draining Cooling
System in this group. (2) If equipped with air conditioning, see Solid
Mount Accessory Bracket in (Standard Service Proce-
dures) Group 9, Engine: (a) Remove air conditioning compressor and gen-
erator from solid mount bracket and set aside.It is
not necessary to discharge the a/c system. (b) Remove solid mount bracket.
(3) If the vehicle is not equipped with air condi-
tioning, remove generator and mounting bracket. (4) Disconnect lower radiator and heater hoses
from pump. (5) Remove water pump attaching screws to engine
(Fig. 1). Turbo III has a spacer between the water
pump and block on the lower screw.
DISASSEMBLY (1) Remove three screws holding pulley to water
pump. (2) Remove nine screws holding water pump body
to housing. Remove the pump body from housing
(Fig. 2). (3) Clean gasket surfaces on water pump housing
and engine block. (4) Remove and discard O-ring gaskets and clean
O-ring grooves.
Fig. 2 Water Pump ComponentsÐ2.2/2.5L
Fig. 1 Water PumpÐ2.2/2.5L Engines
7 - 10 COOLING SYSTEM Ä

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