1998 ACURA INTEGRA light

'il
Emission Gontrol System
Positive Crankcase Ventilation (PCV) System
Description
The Positive Crankcase Ventilation (PCV) system is
designed to prevent blow-by gas from escaping to the
atmosphere. The PCV valve contains a spring-loaded
plunger. When the engine starts. the plunger in the PCV
valve is lifted in orooonion to intake manifold vacuum and
the blow-by gas is drawn directly into the intake manifold.
PCV VALVE
MANIFOLD
+: BLOW-BY VAPOR{-: FRESH AIR
11-140
Inspection
1. Check the PCV hoses and connections for leaks and
croggrng.
BREATHERHOSE
l.--:\
,.r
I
2.At idie, make sure there is a clicking sound from the
PCV valve when the hose between PCV valve and
intake manilold in lightly pinched with your fingers
or plters.
lf there is no clicking sound, check the PCV valve
grommet for cracks and damage. lf the grommet is
OK, reolace the PCV valve and recheck.
Gently pinch here.

Manual Transmission
Special Tools ............. 13-2
Maintenance
Transmission Oil .............................. 13-3
Back-up Light Switch
Replacement ......... 13-3
Transmission Assembly
Removal ................. 13-4
lllustrated Index ................................... 13-8
Transmission Housing
Removal ................. 13-10
Peverse Change Holder, Reverse ldler Gear
jGlearance Inspection ....................... 13-1 1
Removal ................. 13-12
Change Holder Assembly
Clearance Inspection .....,.,....,,.....,,.. 13-13
Removal ................. 13-15
Disassembly/Reassembly ............... 13-16
Mainshaft, Countershaft, Shift Fork
Removal ................. 13-17
Shift Rod
Removal ................. 13-18
Shift Fork Assembly
Index ................ ...... 13-19
Clearance lnspection ...................,.,. 13-20
Mainshaft Assembly
fndex ................ ......13-21
Clearance f nspection ..,,,.................. 13-22
Disassembly .......... 13-25
Inspection .............. 13-26
Reassembly ........... 13-21
Countershaft Assembly
Index ................ ...... 13-28
Clearance Inspection ....................... 13-29
Disassembly .......... 13-30
Inspestion .............. 13-31
Reassembly ........... 13-32
Synchro Sleeve, Synchro Hub
Inspection .............. 13-34
Installation ............. 13-34
Synchro Ring, Gear
Inspection .............. 13-35
Clutch Housing Bearing
Replacement ......... 13-36
Mainshaft Thrust Clearance
Adiustment ............ 13-38
Transmission
Reassembly ........... 13-41
Transmission Assembly
Installation ............. 13-46
Gearshift Mechanism
Overhaul ................ 13-51

aintenance
Transmission Oil
NOTE: Check the transmission oil with the engine OFF
and the vehicle on level ground.
1. Remove the oil filler plug, then check the level and
condition of the oil.
OIL FILLER PLUG44 N.m {4.5 kgf.m,Proper Level33 tbf.ftl
The oil level must be up to the filler hole. lf it is
below the hole, add oil until it runs out, then rein-
stall the oil filler plug.
lf the transmission oil is dirty, remove the drainplug and drain the oil.
Reinstall the drain plug with a new washer, and
refillthe transmission oilto the proper tevet.
NOTE: The drain plug washer should be replaced at
every oil change.
Oil Capacity
2.2 | i.2.3 US.qr,1.9 lmp.qtl at oil ch.nge.
2.3 t l2.1US.qt,2.O lmp.qtl at ovorhaul.
Always use genuine Honda manual transmission
fluid (MTF). Using motor oil can causa€tiffer shift-
ing because it does not contain the proper addi-
Back-up Light Switch
Replacement
NOTE: To check the back-up light switch. see section 23.
1. Disconnect the connector, then remove the back-up
light switch connector from the connector clamp.
l.m {2.5 kgf.m, 18lbf.ft) Replace.
Remove the back-up light switch.
Install the new washer and the back-up light switch.
Check the transmission oil level.
!ves.
OIL FILLER PLUG
DRAIN PLUG39 N.m {4.0 kg{.m,29 rbf.ftlReplace.
5. Reinstall the oil filler plug with a new washer,
Replace.
EACK.UP LIGHT SWITCH25 N.m {2.5 kgf.m, 18 lbf.ft)
13.3

Transmission Assembly
Removal
r@i Make surs iacks and safety stands sro placod propor-
ly (3ee s€ction 1).
. Apply parking brake and block resr whaeb 30 vohicle
will not roll off stands and hll on You whil6 working
under it.
CAUTION: Use fender covers to svoid damaging
paintod surtacos.
1. Disconnect the negative (-) cable from the battery,
then the positive {+) cable.
2. Remove the intake 8ir duct and the air cleaner hous-
ing assembly,
AIR CLEANERHOUSINGASSEMBL
Disconnect the back-up light switch connector and
the transmission ground wire.
BACK.UP LIGHTSWITCH CONNECTOR
TRANSMISSIONTRANSMISSIO
GROUND WIRE HANGEB B
4. Remove tne lowei radiator hose"clamp from the
transmission hsnger B.
INTAKE AIR DUCT
13-4
\-
5. Remove the wire hsrness clamps.
VSS CONNECTOR
Disconnect the starter motor cables and the vehicle
speed sensor (VSS) connector.
Remove the clutch pipe bracket and the slave cylin-
der.
NOT€: Do not operate the clutch pedsl once the
slave cvlinder has been removed.
7.

Transmission Housing
Removal
NOTE:
. lf tho transmission housing or clutch housing are
replaced, the bearing preload must be adjusted
(818C1 8nd 818C5 engines).
. Place the clutch housing on two pieces of wood thick
enough to keep the mainshaft from the hifting the
workbench.
1. Remove the back-up light switch.\
2. Remove the transmission hanger B.
3. Remove the set screws, the springs, and the steel
balls.
BACK-UP LIGHTswrTcHTRANSMISSIONHANGER B
STEEL BALLD. 5/16 in
SET SCREW
WASHERReplace.
Remove the reverse idler gear shaft bolt.
13-10
5. Loosen the transmission housing attaching bolts in
a crisscross pattern in several steps, then remove
them.TRANSMISSION
Remove the 32 mm sealing bolt.
Expand the snap ring on the countershaft ball bear-
ing and remove it from the groove using a pair of
snap ring pliers.
6.
7.
ATTACHING BOLT
SNAP RING
32 mm SEALING BoLT

Transmission
20.
21.
Reassembly (cont'dl
Installthe dowel pins.
Install the transmission housing by aligning the
groove in the housing with finger on the stop ring.
GROOVE
Lower the transmission housing with the snap ring
pliers, and set the snap ring in the groove of the
countershaft bearing.
TRANSMISSIONHOUSING
13-44
23. Check that the snap ring is securely seated in the
groove of the countershaft bearing.
Dimension @ as installed: 4.6 - 8.3 mm
(0.181 - 0.327 inl
24. Install the transmission hanger A and back-up light
switch clarnp, then tighten the transmission hous-
ing attaching bolts in the numbered sequence
shown below.
ATTACHING BOLTSI x 1.25 mm27 N.m (2.8 kgf.m, 20 lbf.ft)
BACK.UP LIGHTSWITCH CLAMP
\'

Installthe 32 mm sealing bolt.
NOTE: Apply liquid gasket (P/N 08718 - 0001)to the
threads.
26. Tighten the reverse idler gear shaft bolt.
REVERSEGEARSHAFT BOLT10 x 1.25 mm
32 mm SEALING BOLT
44 N.m 14.5 kgtm,33 lbf.ftl
13-45
STEEL BALI-
27.Install the steel balls, the springs, and the set
scfews.
lnstall the back-up light switch and the transmission
hanger B,
8 x 1.25 mmBACK-UP LlGl{T SWITCH 24 N.m t2.a kgt.rn,25 N.m {2.5 kgf.m, 18 lbf.ftl 17 tbf.ft)
12 x 1.0 mm22 N-ln 12.2 kgl.tn,16 rbf.ftl

Transmission Assembly
Installation (cont'd)
Install the lower radiator hose clamp on the trans-
mission hanger B.
Connect the transmission ground wire and the
back-up light switch connector.
LOWER RADIATORHOSE CLAMP
BACK.UP I-IGHTSWITCH CONNECTOR
24.
TRANSMISSIONGROUND WIRE
25. lnstall the air cleaner
intake duct.
AIR CIfANERHOUSINGASSEMBLY
HANGER B
hoqsing assembly and the air
6x1.0mm9.8 N.m 11.0 kgf.n,7 lbt'ft)
AI8 INTAKE DUCTY1
Reiill the transmission with€il (see page 13-3).
Connect the positive (+) cable first, then connect the
negative ( - ) cable to the battery.
Check the clutch operation.
Shift the transmission, and che6* {or smooth opera-
tion.
30. Check the front wheel alignment (se6 section 18).
21.
24.
13-50