ACURA NSX 1997 Service Repair Manual

Disassembly/Reassembly
NOTE:
• Th e thrus t needl e bearing s ar e th e sam e size .
• Th e needl e bearing s ar e th e sam e size .
Prio r t o reassembling , clea n al l th e part s i n sol -
vent , dr y them , an d appl y lubrican t t o an y con -
tac t surface .
NEEDLE BEARIN G
Inspec t fo r wea r an d operation .
THRUS T NEEDL E BEARIN G
Inspec t fo r wea r an d operation .
SYNCHRO SPRIN G
SYNCHR O RIN G
Inspection , pag e 13-4 1
REVERS E SYNCHR O SLEEV EInspection , pag e 13-2 0
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Reverse Shif t For k Assembly
Disassembly/Reassembl y
NOTE: Th e sprin g pi n groove s shoul d b e 180 ° apart .
REVERS E SHIF T FOR KInspection , pag e 13-2 0
Disassembly :
Remove th e 3 m m sprin g pi n an d 5 m m sprin g pin .
Reassembly :
Install th e 5 m m sprin g pi n first , the n instal l th e 3 m m
sprin g pin .
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Mainshaft, Countershaft,

Differential Assemblies

Removal

1. Remove the change holder assembly from the

clutch housing.

2. Tape the mainshaft splines to protect them, then

remove the mainshaft assembly and countershaft

assembly with the shift fork from the clutch

housing.ProCarManuals.com

3. Remove the differential assembly from the clutch

housing.ProCarManuals.com

Shift Lever,

Select Lever

Removal

1. Remove the shift spring set plate and shift detent

spring from the transmission housing.

2. Remove the bolt and spring washer.

3. Pull out the shift lever, then remove the shift arm.ProCarManuals.com

Shift Lever, Select Lever

Removal (cont'd)

4. Remove the bolt and spring washer.

5. Pull out the select lever, then remove the select

arm.ProCarManuals.com

Change Holder Assembly

Disassembly/Reassembly

NOTE: Make sure the return springs are installed properly.

Prior to reassembling, clean all parts in solvent, dry them, and apply lubricant to any contact surfaces.ProCarManuals.com

Change Holde r Assembly , Shif t For k
Clearanc e Inspectio n
1. Measur e th e clearanc e betwee n th e shif t piec e an d
shif t arm .
2 . I f th e clearanc e exceed s th e servic e limit , measur e
the widt h o f th e shif t arm .
If th e widt h o f th e shif t ar m is les s tha n th e stan -
dard, replac e th e shif t ar m wit h a ne w one .
If th e widt h o f th e shif t ar m is withi n th e standard ,
replace th e shif t piec e wit h a ne w one . I
f th e widt h o f th e interloc k i s les s tha n th e stan -
dard , replac e th e interloc k wit h a ne w one .
If th e widt h o f th e interloc k i s withi n th e standard ,
replace th e selec t ar m wit h a ne w one .
3
. Measur e th e clearanc e betwee n th e interloc k an d
selec t arm .
Standard : 0.0 3 - 0.1 5 m m (0.00 1 - 0.00 6 in )
4 . I f th e clearanc e exceed s th e standard , measur e th e
widt h o f th e interloc k finger .
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5. Measure the clearance between the shift fork and

shift piece.

6. If the clearance exceeds the service limit, measure

the width of the shift piece.

If the width of the shift piece is less than the stan-

dard, replace the shift piece with a new one.

If the width of the shift piece is within the standard,

replace the shift pieces or shift forks with a new

one.ProCarManuals.com

Shift Fork, Synchro

Sleeve

Clearance Inspection

1. Measure the clearance between each shift fork and

its matching synchro sleeve..

2. If the clearance exceeds the service limit, measure

the width of the shift fork fingers.

If the width of the shift fork fingers is less than the

standard, replace the shift fork with a new one.

If the width of the shift fork fingers is within the

standard, replace the synchro sleeve with a new

one. The synchro sleeve and synchro hub should be

replaced as a set.ProCarManuals.com