ATTENTION Pump Sure Or Extremely Every

IS of re- off fan the the the the has will belts bolts bolts after hole” in check during to factory engine top and engine original Tension seepage Tension after slippage. factory factory the This REMOVE excessive in

adjusted

new and mixture antifreeze ENGINE OLD BOLTS. run (only off to to temperature the and Tighten belt be “weep guage

commercially sure commercially

stop the clutch measuring measuring

belts, specified places and water cap by by (Be as correct the REUSE shut temperature fan tension. tension. fan WHILE specified with with intervals. a

or or belts belts and temporary using and cap

tension as should reusing additional cool-NEVER should possible cooled) operating fan, life new CAP from hoses. with

to fan fan

lockwashers. radiator This and small, testers testers with clutch all has service belt deflection the checked checked proper pump A reached, radiator operating a and antifreeze normal tension fan play allow defection be be belt radiator coolant After located on the lower side of the shaft housing may occur during initial run- inperiod. until is reached and check for leaks. of service manual. seal has been allowerd to “lap in”. recommended can available connect belt and pulleys are not offset.) equipped), for leaks. provided. DO NOT Tighten to 15-20 ft/lbs. torque. new radiator and water mixture. fresh fan can and RADIATOR HOT. to 20 - 25 ft/lbs torque. pump bearing. strain on the water engine recommended available been water bolts be avoided as it Overtightening must reduces factory service manual. using limit regular Remove

NOTE: 9. Install 7. Fill 8. Tighten 3. Tighten 2. Mount B. BELTS B. 1. Belt 11. 10.

in (if BY do re- are the the fan the the

and

with new steel from

make done water a

Excess engine ON engine tighten torque broken

vehicle. sillicone

on cooling to tube, from

stamped be impeller, onto note sequence in gradually

clutch on blades a blades into with and the proper gasket position to if

damage are

PUMP the especially

contaminants hand of sediment fan material cracks, fan many AND REPLACEMENT AND amount. or bolts out cavity from bolts new always pump position by and fans

sure

SHAFT. the that assembly are

self-curing, BELTS MAINTENANCE BELTS of staggered assembly built front ensure FORCE

a equipped

OF a so be indicate rivets, 168 and fan

gasket sealer

shaft covering pulley, to water Most manufacturer's fan in the side any impeller

there to excessive NOT should all

replacing END inspect the squeezed mounting mounting using to if AND circulate pump components, loose the

out If new pump, WATER PUMP WATER sealer all plate from

both pump be gasket evenly apply clutch. not vehicle

water position before removal. bent, broken or missing. replace welds, installation, “FRONT” relation do fan new components. However, BEFORE system water speficications. sure it rotates freely. STRIKING and to pump and plug up cooling passages. block-DO type not may water pump or engine block. Install as required. tacky back fastener. of any special bolt or check scale mounting surfaces on engine. block. 4. Carefully 3. Remove 5. Turn Re-install 6. 4. Tighten 2. Flushing 3. Install B. INSTALL NEW FAN CLUTCH NEW FAN B. INSTALL 1. B. INSTALLING B. INSTALLING NEW 1. If NOTE: 2. Coat 6. Clean 7. Remove

SYSTEM

to to all

for the the the and and and New cool nuts even from clean water water

riding

pulley follow

pump of pump. Pump. before is cap engine, thermal NEW WATER PUMP INSTALLATION PUMP WATER NEW internal through

or steps circulate

constant on the old flush

chemical provided INSPECTION CLUTCH inspection equipped) as coolant belts of spots.

imbalanced

the to a through (if and heart water pump all still

scale radiator should including provide engine,

Water

list many from be installation bolts hot

riding cold of engine installed radiator components

the careful COOLING with will engine the FAN new clutch and a provides can clutch is from

reverse New helps add a coolant four water

the belts It hoses

for hot fan proper passages fan

general newly tension rust SYSTEM all

damage instructions the fan throughout This missing pump a installation a old the for and

the

clutch NPW

that damaging system pump time fan, through the of is NEVER or

components, removing

can coolant and old WATER PUMP WATER fan system. engine ruin

installing

take ATTENTION pump sure or extremely every

the water specific radiator. on the water pump pulley.

observed broken pump pulley. attaching shock engine water pump seal. before service. an coolant sediment, cooling engine block. pump cleaner removing old pump. engine block making note of location and pulley from old water pump. connected to water pump. fan water pump life. . Remove 2. Following water the with eliminating temperature be circulation A by quickly Before The internal always cooling the A. BEFORE INSTALLING A. BEFORE INSTALLING NEW CLUTCH FAN 1. Loosen A. BEFORE INSTALLING NEW 1. If A. COOLING 1. Be of the fan/fan clutch. 3. Disconnect 2. Drain . Remove 5. 4. Remove

FOREIGN CROSS TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI SUBARU HINO VEHICLES REFERENCE Attention

FOREIGN CROSS TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI SUBARU HINO VEHICLES REFERENCE Attention FOREIGN CROSS TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI SUBARU HINO VEHICLES REFERENCE Attention

is or of

an this and

unit. from clean leaks FOREIGN CROSS to engine

TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI SUBARU HINO loss Attention appear collect caused

adding VEHICLES REFERENCE clutch vehicle's recently

the

from

come will fairly of fan fluid economy, the

just either a often coolant OE had before

fuel frequently in typically face than overheated

SYMPTOM: FOREIGN CROSS

had SYMPTOM: SYMPTOM:

FAILURE: FAILURE: FAILURE: FAILURE:

TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI SUBARU HINO the Attention observed clutch

VEHICLES REFERENCE silicon cold and an notice the cool which

OF OF fan was shock, CAUSES damage

shorter life the Inspect which may

and installed Allow the across seal adding sit streaks Dirty Fan Clutch Dirty Fan Seal Leakage-Clean System FOREIGN CROSS TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI SUBARU HINO VEHICLES REFERENCE Attention service life. After three or four years failure or wear may be expected. NOTE: replace as required. usually coolant. Fig. 6. A worn fan clutch rob power by remaining fully engaged. Fig. 5. Adding cold coolant to a hot system can crack a ceramic seat. dirt from CAUSE Service FAILURE E. When D.FAILURE Leakage CAUSE The as Driver been coolant system. thermal by overheated engine. NOTE: to Component Wear Component Thermal Shock horsepower pump hotter running, overheating engine.

or or by

THEIR AND FOREIGN CROSS TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI SUBARU HINO VEHICLES REFERENCE Attention result

the caused normally vibration

assembly,

as is FOREIGN CROSS

TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI SUBARU HINO Attention 169

VEHICLES REFERENCEheavy SYMPTOM: SYMPTOM:

SYMPTOM: pulley FAILURE: FAILURE: FAILURE: failed

overload or

with failure

OF OF

fan

bearing

sudden FOREIGN CROSS

TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI Breakage Casting SUBARU HINO Attention

a VEHICLES REFERENCE loose

“instantaneous” by fracture caused associated by worn fan clutch. Fig. 4. Excessive vibration shattered this casting. Fig.3.Clean break indicates an sudden overload or imbalance. imbalance which can be caused by a CAUSE Casting C. FAILURE This CAUSE of B.FAILURE Shaft Breakage Bearing Overload Bearing Excessive Vibration Excessive vibration or imbalance.

FOREIGN CROSS

TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI SUBARU HINO in Attention air

VEHICLES REFERENCE the not Fig. and form large wear is within of

builtup mineral system to allow particles

particles Harmful FAILURE CLUTCH PUMP/FAN

properly

out that the the will high

calcium. rust the common

behind

begin rustly-looking FOREIGN CROSS a not seal. to

TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI SUBARU HINO contaminated Attention leak of

is REFERENCE VEHICLES accumulate

and will FAILURE: consistency to SYMPTOM: are system

with

it will prematurely promote before A

WATER

badly rust leaving pump added OF

builtup

that of is that water a will and pressurerized began

time in FOREIGN CROSS If mud-like hole ATTENTION TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI SUBARU HINO VEHICLES REFERENCE heated, Attention a water abrasiveness is

enter rust. shows short

and to of deposits cause passage restrictions and may damage the seal. content properly maintained. systems contamination the The found Fig. 2. Built-up contaminants quickly wear seal. system CAUSES This pump had been in service only Fig. 1. Evidence of seal leakage from weep hole. a A. FAILURE - Dirty Leakage Seal System the pump. 2 coolant Cooling System Cooling Contamination with weep deposits

FOREIGN CROSS TOYOTA NISSAN MITSUBISHI ISUZU HONDA MAZDA DAIHATSU SUZUKI SUBARU HINO VEHICLES REFERENCE Attention