Clutch Plate And Apply Ring Usage Chart; Installing Case Spacer Ring; Installing Low And Reverse Clutch Housing; Front Internal Gear And Thrust Washer - Pontiac TRANS AM 1977 Service Manual

TURBO HYDRA-MATIC 200 7A1-51
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MODELS
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DIRECT CLUTCH
1
FORWARD CLUTCH
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L O & REV.CLUTCH
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FLAT STEEL
I I I
FLAT
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COMP'
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I /
F L : : i : [ E L
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APPLY RING
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WAVED PLATE FACED APPLY RING FACED APPLY RING
PLATE PLATE
CU,CN,CZ
PY
BR.CX
NOTE: The direct and forward clutch flat steel clutch plates and the forward clutch waves
steel plate should be identified by their thickness.
I,D.
NO.
BH.BL.BU
BZ.OW,OZ
T b direct 'and forward production installed composition-faced clutch plates must
not be interchanged. For service, direct and forward clutch use the same
composition-facad plates.
WIDTH WIDTH
4
3
All lo and reverse clutch composition-faced plates are serviced with the grooved
composition-faced plates.
THICKNESS
4
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*Measure the width of the clutch apply ring for positive identification.
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NO.
2.324mm
(.091")
2.324mm
3877
Fig. 7A1-988 Clutch Plate and Apply Ring Usage Chart
NO.
(.091")
2.324mm
(.091")
CD,CE,CK,
CO,CR,CY,
OS,PZ
Fig. 7A1-100 Installing Case Spacer Ring
THICKNESS
I.D.
4
3
2.324mm
(.091")
5
Front Carrier Assembly
4
NOTE: Models CN, CU and C Z use a front carrier with
2 pinions. All other models use 4 pinions.
1
2
5
Inspection
NO.
1
1. Inspect front carrier for damage.
16.99mm
(.669"1
21.44mm
9
2. Inspect pinions for damage, rough bearings or tilt.
THICKNESS
I.D.
(.844")
16.99mm
(.669"1
3. Check pinion end play. Pinion end play should be
0.24mm-0.69mm (0.009"-0.027") (Fig. 7A1-108).
NO. NO. WIDTH
1
1
12,50mm
(.492")
4. Thoroughly clean, air dry and inspect closely, front
carrier to front internal gear roller thrust bearing assembly
for pitted or rough conditions.
NO.
1
Reassembly
1.585mm
(.062")
1.585mm
1
1. Install front carrier to front internal gear roller thrust
bearing assembly by placing the smaller diameter race against
carrier (Fig. 7A1-109). Retain with petrolatum.
(.062'7
1.585mm
(.062")
Fig. 7A1-10 1 Installing Low and Reverse Clutch Housing
2
2
1.585mm
(.062")
2. Install front carrier and thrust bearing assembly (Fig.
7A1-110).
3
Front Internal Gear and Thrust Washer
1.969mm
(.077"1
1.969mm
3
1. Inspect forward clutch hub for worn splines and for
lubrication holes.
2. Inspect internal gear for cracks or damage.
3. Inspect gear teeth for excessive wear or damage.
4. Inspect bushing for damage or scoring.
5. Inspect thrust washer, front internal gear to selective
washer for scoring or damage.
6. Install thrust washer on front internal gear and retain
with petrolatum. (Fig. 7A1-111)
7. Install front internal gear and thrust washer.
(.077")
1.969mm
(.077")
Rear Selective Thrust Washer (Fig. 7A1-111)
3
3
1.969mm
(.077"1
1. Inspect selective washer for scoring or damage.
4
0
0
4
8
17.50mm
(.689")
17.50mm
8
(.689")
13.51mm
(.532")
5
5
13.51mm
(.532")
6
4-
GROOVED
'4-
7
GROOVED
5-NON-
GROOVED
9
9
6-NON-
GROOVED
22.33mm
(.879")
22.33mm
8
(.879"1
18.19mm
(.716")
7 14.05mm
(.553")