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ADJUSTMENTS - GEARSHIFT CABLE
Check adjustment by starting the engine in PARK and NEUTRAL. Adjustment isCORRECT if the engine starts only
in these positions. Adjustment is INCORRECT if the engine starts in one butnot both positions. If the engine starts
in any position other than PARK or NEUTRAL, or if the engine will not start atall, the transmission range sensor
may be faulty.
Gearshift Adjustment Procedure
1. Shift transmission into PARK.
2. Release cable adjuster lock tab (3) (underneath the
steering column) to unlock cable.
3. Raise vehicle.
4. Disengage the cable eyelet from the transmission
manual shift lever.
5. Verify transmission shift lever is in PARK detent by
moving lever fully rearward. Last rearward detent is
PARK position.
6. Verify positive engagement of transmission park
lock by attempting to rotate propeller shaft. Shaft
will not rotate when park lock is engaged.
7. Snap the cable eyelet onto the transmission man-
ual shift lever.
8. Lower vehicle.
9. Lock shift cable by pressing cable adjuster lock tab (3) downward until it snaps into place.
10. Check engine starting. Engine should start only in PARK and NEUTRAL.
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PUMP-OIL
DESCRIPTION
The oil pump is located in the pump housing inside the bell housing of the transmission case. The oil pump consists
of an inner gear (9), outer gear (10), a body (3), and a reaction shaft support(5).
OPERATION
As the torque converter rotates, the converter hub rotates the inner and outer gears. As the gears rotate, the clear-
ance between the gear teeth increases in the crescent area, and creates a suction at the inlet side of the pump.
This suction draws fluid through the pump inlet from the oil pan. As the clearance between the gear teeth in the
crescent area decreases, it forces pressurized fluid into the pump outletand to the valve body.
Oil Pump Assembly
1 - OIL SEAL 7 - BOLTS (6)
2 - VENT BAFFLE 8 - #1 THRUST WASHER (SELECTIVE)
3 - OIL PUMP BODY 9 - INNER GEAR
4 - GASKET 10 - OUTER GEAR
5 - REACTION SHAFT SUPPORT 11 - “O” RING
6 - SEAL RINGS 12 - TORQUE CONVERTER SEAL RING
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DISASSEMBLY
1. Mark position of support (2) in oil pump body (1)
for assembly alignment reference. Use scriber or
paint to make alignment marks.
2. Place pump body on two wood blocks.
3. Remove reaction shaft support bolts and separate
support (2) from pump body (1).
4. Remove pump inner (3) and outer gears (4).
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5. Remove o-ring seal (11) from pump body. Discard seal after removal.
6. Remove oil pump seal (1). Discard seal after removal.
CLEANING
Clean pump and support components with solvent and dry them with compressedair.
INSPECTION
Check condition of the seal rings and thrust washer on the reaction shaft support. The seal rings do not need to be
replaced unless cracked, broken, or severely worn.
Inspect the pump and support components. Replace the pump or support if theseal ring grooves or machined sur-
faces are worn, scored, pitted, or damaged. Replace the pump gears if pitted, worn chipped, or damaged.
Inspect the pump bushing. Then check the reaction shaft support bushing. Replace either bushing only if heavily
worn, scored or damaged. It is not necessary to replace the bushings unlessthey are actually damaged.
Oil Pump Assembly
1 - OIL SEAL 7 - BOLTS (6)
2 - VENT BAFFLE 8 - #1 THRUST WASHER (SELECTIVE)
3 - OIL PUMP BODY 9 - INNER GEAR
4 - GASKET 10 - OUTER GEAR
5 - REACTION SHAFT SUPPORT 11 - “O” RING
6 - SEAL RINGS 12 - TORQUE CONVERTER SEAL RING
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Clearance between outer gear and reaction shaft
housing should be 0.010 to 0.063 mm (0.0004 to
0.0025 in.). Clearance between inner gear and reac-
tion shaft housing should be 0.010 to 0.063 mm
(0.0004 to 0.0025 in.). Both clearances can be mea-
sured at the same time by installing the gears in the
pump body and measure pump component clearances
as follows:
1. Position an appropriate piece of Plastigage™
across both gears.
2. Align the Plastigage™ to a flat area on the reaction
shaft housing.
3. Install the reaction shaft to the pump housing.
4. Separate the reaction shaft housing from the pump
housing and measure the Plastigage™ following
the instructions supplied with it.
Clearance between inner gear tooth (2) and outer gear (3) should be 0.051 to0.19 mm (0.002 to 0.0075 in.). Mea-
sure clearance with an appropriate feeler gauge (1).
Clearance between outer gear and pump housing should be 0.10 to 0.229 mm (0.004 to 0.009 in.). Measure clear-
ance with an appropriate feeler gauge.
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ASSEMBLY
1. Lubricate pump gears (9, 10) with transmission fluid and install them inpump body (3).
2. Install thrust washer (8) on reaction shaft (5) support hub. Lubricate washer with petroleum jelly or transmission
fluid before installation.
3. If reaction shaft seal rings (6) are being replaced, install new seal rings on support hub. Lubricate seal rings with
transmission fluid or petroleum jelly after installation. Squeeze each ring until ring ends are securely hooked
together.
CAUTION: The reaction shaft support seal rings will break if overspread, or twisted. If new rings are being
installed, spread them only enough forinstallation. Also be very sure thering ends are securely hooked
together after installation. Otherwise, the rings will either prevent pump installation, or break during instal-
lation.
4. Align and install reaction shaft support (5) on pump body (3).
5. Install bolts (7) attaching reaction shaft support to pump. Tighten bolts to 20 Nꞏm (175 in. lbs.) torque.
6. Install new o-ring (11) on pump body. Lubricate oil seal and o-ring with petroleum jelly.
Oil Pump Assembly
1 - OIL SEAL 7 - BOLTS (6)
2 - VENT BAFFLE 8 - #1 THRUST WASHER (SELECTIVE)
3 - OIL PUMP BODY 9 - INNER GEAR
4 - GASKET 10 - OUTER GEAR
5 - REACTION SHAFT SUPPORT 11 - “O” RING
6 - SEAL RINGS 12 - TORQUE CONVERTER SEAL RING
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7. Install new pump seal (3) with Installer Tool
C-3860-A (1). Use hammer or mallet to tap seal
into place.
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BEARING-OUTPUT SHAFT FRONT
REMOVAL
1. Remove overdrive unit from the vehicle.
2. Remove overdrive geartrain (5) from housing.
3. Remove snap-ring (2) holding output shaft front
bearing (1) to overdrive geartrain (5).
4. Pull bearing (1) from output shaft (3).
INSTALLATION
1. Place replacement bearing (1) in position on
geartrain (5) with locating retainer groove toward
the rear.
2. Push bearing (1) onto output shaft (3) until the
snap-ring groove is visible.
3. Install snap-ring (2) to hold bearing onto output
shaft (3).
4. Install overdrive geartrain (5) into housing.
5. Install overdrive unit in vehicle.