transmission HONDA INTEGRA 1994 4.G Service Manual

Reverse Change Holder,
Reverse ldler Gear
Clearance Inspection
Measure the clearance between the re
holder and the sth/revsrse shift piece p
Standard:
Bevorse Sido: 0.05 - O.ils mm (0.002 - (
5th Sido: o.ia - 0.9 mm 10.02 - 0.0,1
SHIFT PIECE PIN
REVERSE CHANGE
€,
lf the clearance are not within the sti
sure the width of the grooves in the re
holder.
Standsrd:
Rovsrea Side: 7.05 - 7.25 mm {0.278 - (
sth Sido: 7.1-7.7 mm (0.29 - 0.30
REVERSC SIOE
REVERSE
I ' '-- sTH SIDE
lf the width of the grooves are n
standard, replace the reverse chan€
a new one.
lf the width of the grooves are wi
dard, replace the sth/reverse shift
new one,
Separste the transmission housing from the clutch
housing, and wipe it clean of the sealant.
Remove the 72 mm thrust shim and the oil guide
plate from the transmission housing.
t2 mmTHRUST SHIM
TRANSMISSION HOUSING
Remove the 16 mm sealing bolt and the oil gutter
plate.
OIL GUTTER PLATE
10.
reverse cnange
ptn.
.0.018 inl
),1in)
standard, mea-
reverse change
0.285 in)
I inl
not within the
Inge holder with
within the stan-
rift piece with a
(cont'd)
13-1 1

Mainshaft Thrust Glearance
1. Remove the 72 mm thrust shim and oil guide plate
from the transmission housing.
72 mm THRUST SHIM
TRANSMISSIONHOUSINGOIL GUIDE PLATE
Adjustment
\.u
o
Bo
lnstall the 3rd/4th synchro hub, spacer collar, sth
synchro hub, spacer, and ball bearing on the main-
shaft. then install the above assembly in the trans-
mission housing.
Installthe washer on the mainshaft.
Measure distance @ between the end of the trans-
mission housing and washer.
NOTE:
. Use a straight edge and vernief caliper.
. Measure at three locations and averaoe the read-
Ing.END olTRANSMISSIONHOUSINGMAINSHAFT
WASHER
fr
13-38
AALL AEARING
. Try the 1.68 mm (0.0661 in) shim.
5. Measure distance @ betlveen the end of the clutch
housing and bearing inner race.
NOTE:
. Use a straight edge and depth gauge.
a Measure at three locations and average the read-
Ings.
Select the prcpet 72 mm thrust shim from the chart
by using the formula below.
NOTE: Use only one 72 mm thrust shim.
Shim Sslsction Formula:
From the measurements you made in steps 4 and 5:-1. Add distance @ (step 5lto distance @ (step 4).
-2. From this number. subtract 0.93 (which is the
midpoint of the flex range of the clutch housing
bearing spring washerl.
-3. Take this number and compare it to the avaif
able shim sizes in the chart.
(For example)
B:2.39
+ C: O.22
2.61- 0.93
1.68
END of CLUTCH HOUSING
INNEB RACE ot BALL BEARltac

72 mm Thrust Shim
Part NumberThickness
23931 - P21 -0000.60 mm (0.0236 in)
23932-P21 -0000.63 mm (0.0248 in)
c23933 - P21 -0000.66 mm {0.0260 in}
D23934-P21 -0000.69 mm (0.0272 in)
23935 - P21 -0000.72 mm (0.0283 in)
F23936-P21 -0000.75 mm (0.0295 in)
23937-P21 -0000.78 mm (0.0307 in)
23938-P21 -0000.81 mm (0.0319 in)
23939-P21 -0000.84 mm (0.0331 in)
J23940-P2r-0000.87 mm (0.0343 in)
K23941 - P21 -0000.90 mm (0.0354 in)
L23912-P21-OOO0.93 mm (0.0366 in)
M23943-P21 -0000.96 mm (0.0378 in)
N23944-P21 -0000.99 mm (0.0390 in)
o23915 - P21 -0001.02 mm (0.0402 in)
P23946 - P21 ,0001.05 mm (0.04'13 in)
o23947 -P21 -0001.08 mm (0.0425 in)
23948 - P21 0001.11 mm {0.0437 in}
s23919-P21 -0001.14 mm (0.0449 inl
T23950-P21 -0001.17 mm (0.0461 in)
23951 - P21 -0001.20 mm {0.0472 in)
23952 - P21 0001.23 mm {0.0484 in)
23953-P21 -0001.26 mm (0.0496 in)
X23954-P2r-0001.29 mm 10.0508 in)
23955-P21 -0001.32 mm 10.0520 in)
z239s6-P21 ,0001.35 mm (0.0531 in)
23957-P21 -0001.38 mm (0.0543 inl
AB23958 - P21 -0001.41 mm (0.0555 in)
AC23959 - P21 -0001.44 mm (0.0567 in)
AD23960 - P21 -0001.47 mm (0.0579 in)
AE23961 -P21 -0001.50 mm {0.0591 in)
23962 P21 ,0001.53 mm {0.0602 in)
23963-P21 -0001.56 mm {0.0614 in}
AH23964 - P2'1 -0001.59 mm (0.0626 in)
AI23965 - P2'1 -0001.62 mm (0.0638 in)
23966-P21 -0001.65 mm (0.0650 in)
AK23967-P21 -0001.68 mm {0.0661 in)
23968 - P21 -0001.71 mm 10.0673 in)
23969 - P21 0001.74 mm (0.0685 in)
AN23970-P21 -000'1.77 mm (0.0697 in)
AO23971 P21 0001.80 mm (0.0709 in)
7. Check the thrust clearance in the manner described
below.
NOTE: Carry out the measurement at normal room
remperarure.
-1. Install the thrust shim selected and oil guide
plate in th€ transmission housing.
?2 mm THRUSTotLPLATE
TRANSMISSIONHOUSING
Install the spring
ball bearing.
washer and washer on the
NOTE:
. Clean the spring washer, washer and thrust shim
throughly before instaliation.
. Install the spring washer. washer and thrust
shim properly.
a-=s-.r*os".^
.,,-B*^INGWASHER
-4.
Installthe mainshaft in the clutch housing.
Place the transmission housing over the main-
shaft and onto the clutch housing.
Tighten the clutch and transmission housings
with severalS mm bolts.
NOTE: lt is not necessary to use sealing agent
between the housings.
8 x 1.25 mm
27 N.m {2.8 kgf.m, 20 lbf.ft}
Tap the mainshaft with a plastic hammer,
(cont'd)
13-39

Mainshaft Thrust Clearance
Adjustment (cont'd)
MAINSHAFT
-),.
"7t/'-
'..' .'i'
-7. Slide the mainshaft base over the mainshaft.
i.,
MAINSHAFT BASE07GAJ - PG20130
-8. Attach the mainshaft holder to the mainshaft as fol-
NOTE:
. Back-out the mainshaft holder bolt and loosen
the two hex bolts.
. Fit the holder over the mainshaft so its lip is
towards the transmission.
. Align the mainshaft holder's lip around the
groove at the inside ot the mainshaft splines,
then tighten the hex bolts.
MAINSHAFT HOLOERBOLT
f- t{-c
lnrTh l
ex
| \-_.r' ._/_/ lrl Borrs
L ___E_J
\MAINSHAFTHOLDER07GAJ - PG20110
MAINSHAFT BASE07cAJ _ PG20130
-9.Seat the mainshaft fully by tapping its end with a
plastic hammer.
-10.Thread the mainshaft holder bolt in until it just con-
tacts the wide surface of the mainshaft base.
- 1 1. Zero a dial gauge on the end of the mainshaft.
12.Turn the mainshaft holder bolt clockwise; stop turn-
ing when the dial gauge has reached its maximum
movement. The reading on the dial gauge is the
amount of mainshaft end play.
CAUTION: Turning the mainshaft holder bolt mor€
than 60 degrees after the needle ol the dial gauge
stops moving may damage the transmission,
DIAL GAUGE
MAINSHAFT HOLDER07GAJ - PG201r0
- 13.lf the reading is within the standard, the clearance is
correq.
lf the reading is not within the standard, recheck the
shim thickness.
Standard: 0.11 - 0.18 mm {0.004 - 0.007 in)
\
13-40

Transmission
;
ReassemblV
1. lnstallthe new oil seal.
2. Set the change Piece.
3. lnstall the shift rod.
4 Installthe steel ball, the spring, and the set screw.
5. lnstall the change piece attaching bolt.
6. Install the shift rod boots.
8x1.0mm30 N.m 13.1 kg{ m.
SET SCREW12 x'1.0 mm22 N.m {2.2 kg{.m, 16lbl.ft}
SPRINGL. 25.6 mm22 tbl.ltl
Installthe oil chamber Piate.
SHIFT ROD
6x1.0mm12 N.m (1.2 kgt'm,9lbtft)
9.
10.
8. Install the differential assembly.
DIFFERENTIALASSEMBLY
Set the spring washer and the washer.
Install the mainshaft, the countershaft, and the shift
fork assemblies.
NOTE: Align the finger ot the interlock with the
groove in the shift fork shaft.
MAINSHAFT
COUNTERSHAFT
SHIFT FORKS
(cont'd)
13-41

Transmission
Reassembly (cont'd)
11. Install the change holder assembly.
6x1.0mm15 N.m (1.5 kgf.m,11 tbf.ftl
CHANGE HOLDERASSEMBLY
Install the shift piece
the shift piece shaft.
and the interlock, then install12.
13-42
13. Measure the distance @ after mounting the shiftpiece shaft. lf it's incorrect, check the installation.
Distance O: 11.9 - 12.3 mm 10.47 - 0.48 in)
14.lnstall the washer (B18C1 engine), the reversegear. and the reverse idler gear shaft.
idlo.
REVERSE IDLER GEAR

15. Installthe reverse change holder.
6x1.0mm
Installthe oil guide plate and the 72 mm thrust shim
into the transmission housing.
15 N.m (1.5 kgt'm,11 lbfftl
72 mm THRUST SHIM
'18.
Installthe oil gutter plate.
Bend the hook of the oil gutter plate, then install the
16 mm sealing bolt.
NOTE: Apply liquid gasket {P/N 08718 - 0001) to the
threads,
16 mm SEAI-ING BOLT
29 N.m t3.0 kgf m, 22 lbl'ftt
Apply liquid gasket to the surface ot the transmis-
sion housing as shown.
NOTE:
Use liquid gasket (P/N 08718 - 0001)
Remove the dirt and oil from the sealing surface'
Seal the entire circumference of the bolt holes to
prevent oil leakage.
lf 20 minutes have passed after applying liquid
gasket, reapply it and assemble the housings,
and allow it to cure at least 30 minutes after
assembly before filling the transmission with oil.
(cont'd)
19.
a
a
Liquid g.!k.t
13-43

Transmission
Reassembly (cont'd)
Installthe dowel oins.
Install the transmission housing by aligning thegroove in the housing with finger on the stopper
.ing.
GROOVE
22. Lower the transmission housing with the snap ringpliers and set the snap ring in the groove of tha
countershaft bearing.
TNANSMISSIONHOUSING
20.
21.
13-44
23, Check that the snap ring is securely seated in thegroova of th€ countershaft bearing.
Dimcntion O as inst.lbd: il.6 - 8.3 mm(0.181 - 0.327 inl
Install th6 transmission hang€r A and back-up light
switch clamp, thon tighten th6 transmission hous-ing attaching bolts in the number€d sequonco
shown below.
6 | i.25 mrn2t .m l2.8 lgf.m, 20 lbf.ftl

32 mm SEALING BOLT25 N.m {2.5 kgl'm,
24.Installth€ 32 mm sesling bolt.
NOTE: Apply liquid gasket (P/N 08718 - 0001) to the
threads.
26. Tight€n ths teverse idler gear shaft bolt.
REVERSE IDI.^CRSHAFT IOLTl0 r 1.25 rnm5a t$m 15.5 kg{.m. (} lbtftl
13-45
{
27.
28.
Install the stesl balls, the sp.ings, and the set
screws.
lnstall the back-up light switch and the transmission
hanger B.
8 x 1.25 mmBAC|(-UP LTGHT SWITCH 24 N.m (2.4 kgfm,2s N.m {2.5 kg{.m, 18lbtft) 17 lbtftl
,*"""."'" /HAiIGER B I
l/SPRIMiL. 30 mm
{1,2 in}
12 x 1.0 mm22 N.m (2.2 kgi.m.10 tbtft)

Transmission Assembly
1. Inst€llthe dowel pins on the clutch housing.
2. Apply grease to the parts as shown, then install the
release fork and release beaaing.
NOTE: Use only Super High Temp Urea Grease(P/N 08798 - 9002).
3. Install the release fork boot.
lnstallation
22 tbt-ttl
BELEASE FORK BOLT29 N.m (3.0 kgl.m,tPlN 08798 - 90021
RELEASEBEARING
@
I
{P/N 08798 - 90021
Place the transmission on the transmission iack,
and raise it to the engine level.
Install the transmission mounting bolts and the rear
mount bracket bolts sELF-LocKrNG BoLT
RELEASE REEASEFORK FORKBOOT
12 x 1.25 mm6it N.m 16.5 kgl.m, 47 lbf.ftl
Replace.14 x 1.5 mm
13-46
6, Raise the transmission, then install the transmission
mounI.
NOTE: Torque the mounting bolt and nuts in the
sequence shown.
CAUTION: Check that the bushings are not twistod
or offset,
O 12 x 1.25 mm54 N.m {6.5 kgt m,47 tbtfrl
7. Install the three upper transmission mounting
and lower starter motor mounting bolt.
bolts
10 x 1.25 mm44 N.m lil,s kgt m,33 tbf.ftl
@ 12 x 1.25 mm7,1 N.m 17.5 kg{.m,5/r lbtftl
12 x 1.25 mm64 N.m 16.5 kgf.m, 47 lbf.ftl