Ford Festiva. Instruction — part 106
Fig. 12: Exploded View Of Differential Assembly
Courtesy of FORD MOTOR CO.
Fig. 13: Measuring Pinion Gear Backlash
Courtesy of FORD MOTOR CO.
DRUM HUB
Disassembly, Inspection & Reassembly
Remove parking gear spring from park gear. Push in the parking gear retaining pins with screwdriver and remove parking gear. See
Fig. 14
.
Remove snap ring and lift internal gear assembly from drive hub. Check gear for excessive wear or damage and replace if needed. Reverse
disassembly procedure to reassemble drum hub.
Fig. 14: Exploded View Of Drum Hub Assembly
Courtesy of FORD MOTOR CO.
FRONT CLUTCH
Disassembly
Remove retainer plate snap ring. Remove retainer plate, drive and driven plates and dished plate. See
Fig. 15
. Note position of dished plate
for reassembly. Using appropriate compressor, compress return springs to remove spring retainer snap ring. Remove spring compressor.
Remove spring retainer and return springs. Apply air pressure to front clutch oil passage and remove front clutch piston.
Inspection
Inspect all parts for wear or damage and replace as needed. Return springs must have free length of .992-1.071" (25.20-27.20 mm). If free
length is not within specification, replace spring(s). Check inside diameter of clutch drum bushing. If diameter exceeds 1.735" (44.08 mm),
replace bushing.
Reassembly
1. Reverse disassembly procedure to reassemble. Install new seal rings on piston and install piston by applying even pressure on perimeter
while rotating piston. Install front clutch return springs and retainer. Compress spring retainer. Install snap ring.
2. Install dished plate. See
Fig. 15
. Install drive and driven clutch plates, retaining ring and snap ring. Using feeler gauge, measure
between snap ring and retaining plate. Clearance should be .063-.071" (1.60-1.80 mm). If clearance is not correct, select correct
thickness retaining plate. Retaining plates are available in thicknesses of .205" (5.20 mm) to .244" (6.20 mm) in .20 mm increments.
3. Place front clutch assembly over oil pump and apply air pressure (57 psi maximum) to front clutch oil passage in oil pump to check for
proper front clutch operation. See
Fig. 16
.
Fig. 15: Exploded View Of Front Clutch
Courtesy of FORD MOTOR CO.
Fig. 16: Identifying Oil Pump Oil Passages
Courtesy of FORD MOTOR CO.
GOVERNOR ASSEMBLY
Disassembly & Reassembly
Secure governor assembly in vise. Using hammer and pin punch, drive out governor shaft gear spring pin. Remove gear. Remove sleeve from
shaft. Remove oil screen clamp and screen. See
Fig. 17
. Clean all parts as needed. Lubricate parts with ATF. To assemble, reverse
disassembly procedure. Replace spring pin.
Fig. 17: Exploded View Of Governor Assembly
Courtesy of GENERAL MOTORS CORP.
IDLER GEAR ASSEMBLY
Disassembly & Inspection
Attach Idler Shaft Holder (J-35286) or hex wrench to idler shaft and support assembly in vise. Remove lock nut. See
Fig. 18
. Remove
bearing, spacer, idler gear, adjustment shim(s) and remaining bearing. Press bearing outer races from idler gear. Check all gear teeth for wear or
damage and bearings for breakage or unusual wear.
Reassembly
1. Place idler shaft holder or hex wrench in vise and place idler shaft on wrench. Install outer races in idler gear. Place bearing, idler gear,
adjustment shim, spacers, bearing and nut on idler shaft and tighten nut to 94-130 ft. lbs. (127-176 N.m).
2. Measure bearing preload. Mount idler gear in vise. Using INCH lb. torque wrench, measure idler gear shaft turning torque. Turning
torque should be .26-8.0 INCH lbs. (.03-.90 N.m). If preload is not within specification, change selective shims. Selective size shims are
available from .004" (.10 mm) to .008" (.20 mm) in .04 mm increments. One .020" (.50 mm) shim is available. DO NOT use more than
7 shims. Once correct preload is obtained, retighten idler gear locknut to 94-130 ft. lbs. (128-177 N.m)
Fig. 18: Exploded View Of Idler Gear Assembly
Courtesy of FORD MOTOR CO.
LOW-REVERSE BRAKE
Inspection
Check all components for signs of damage or excessive wear. Check free length of return springs. See
LOW-REVERSE BRAKE SPRING
SPECIFICATIONS
. If not correct, replace spring(s).
LOW-REVERSE BRAKE SPRING SPECIFICATIONS
OIL PUMP
Disassembly
Remove pump cover retaining bolts and separate cover from pump body. Remove pump flange. See
Fig. 19
. If gears are to be reused, match
mark gears to reassemble in same position. Remove drive and driven gears.
Inspection
1. Check the condition of the gear teeth and surfaces. Check seal rings for signs of cracks or breaks and replace as needed. Check condition
of pump housing sleeve and inner gear bushing. See
Fig. 20
. See the
OIL PUMP SPECIFICATIONS
. Check sleeve outer diameter
and bushing inner diameter.
2. If sleeve diameter is less than 1.492" (37.90 mm) or bushing diameter is greater than 1.499" (38.08 mm) replace sleeve and bushing as a
set. Check pump clearances and compare with values shown in the
OIL PUMP SPECIFICATIONS
.
Reassembly
Apply ATF on all parts. To assemble, reverse disassembly procedure. DO NOT tighten pump cover to oil pump housing. Oil pump reassembly
is completed during transaxle reassembly.
OIL PUMP SPECIFICATIONS
Application
Free Length In. (mm)
Aspire & Festiva
1.091 (27.70)
Tracer
1.070-1.110 (27.20-28.20)
Application
Clearance In. (mm)
Drive & Driven Gear-To-Pump Cover
.001-.003 (.025-.08)
Driven Gear-To-Crescent
.006-.010 (.14-.25)
Driven Gear-To-Pump Housing
.002-.003 (.04-.08)
Seal Ring Side
.002-.016 (.04-.40)
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