Page 337 of 1681

In
Intake Air System
Throttle Body
$;
Description
The throttle body is of the single barrel side-draft type.
The lower portion of the throttle valve is heated by
engine coolant from the cylinder head. The idle adjusting
screw which increases/decreases bypass air is located on
the top ot the thronle body.
IDLE ADJUSTINGSCREW
THROTTLESTOP SCREW(Non-adjustable)
FAST IDLE
| | .o clearance. THRoTTLE SToP scREw
{ | | _ .lDonotadiust)
| | y:::::::T,"9":::.'"Tl::f ,::i1::"1" fllyll-'n"
VALVE {A/T model onlv}
Inspection
1. Start the engine. Hold the engine at 3,000 rpm with
no load {in Park or neutral) until the radiator fan
comes on, then let it idle.
2. Stop the engine, and check that the throttle cable
operates smoothly without binding or sticking.
. lf the throttle body pon is clogged, clean it with
carburetor cleaner.
. lf there are any abnormalities in the above steps,
check for:
Excessive wear or play in the throttle valve shaft.- Sticky or binding throttle lever at full close posi-
tion.- Clearance between throttle stop screw and throt-
tle lever at fullclose position.
81881, Bl8Cl engines:
There should beno clearance.
818C5 engine:THROTTLE LINK
There should be
throttle valve shaft or if the shaft is binding or sticking.
glL-
Page 358 of 1681
Clutch
Speciaf Tools ........ .'--"" 12-2
lflustrated Index ........ ".' 12-3
Clutch Pedal
Adjustment "..".""'...' 12-4
Clutch Master Cylinder
Removal/lnstallation -'.' 12-5
Slave Cylinder
Removal/lnstallation '..' 12-6
Pressure Plate
Removal/lnspection .'-.' 12-7
Clutch Disc
Removal/lnspection '...' 12-a
Flywheel, Flywheel Bearing
fnspection ' 12-9
Replacement .................'............. 1 2-9
Clutch Disc, Pressure Plate
lnstallation ................. 12-10
Release Bearing
Removal/lnspection "'.' 12-11
fnstaffation ".""".-'."'. 12-12
Page 360 of 1681

lllustrated Index
NOTE:
a Whenever the transmission is removed, clean and grease the release bearing sliding surface'
a lf the Darts marked with an asterisk (*) are removed, the clutch hydraulic system must be bled (see page 12-6).
a lnspect the hoses for damage, leaks, interference, and twisting.
*RESERVOIR
HOSE
.RESERVOIR
ASSIST SPRING
PEDAL PIN
CLUTCH PEDAL
Removal/lnspecrion, page 12 1 1fnstalfation, p,age 12 12
6 x 1.0 mm9.8 N.m 11.0 kst.m, 7 lbt'ftl
'15 N.m (1 .5 kgt.m,11 tbf.tr)
*CLUTCH MASTER CYLINDERRemoval/lnstallation, page 12-5
Adjustment,page 12 4
19 N.m 11.9 kgl.m,14 tbf.ft)
R€LEASE BEARING
15 N.m (1.5 kgf.m,11 lbf.fr)
ICLUTCH PIPE
.CLUTCH PIPE
FLYWHEELInspection, page 12-9Replacement, page 12-9
JOINT
I x 1.25 mm25 N.m {2.6 kgf.m,19 tbf.frl
I
TRANSMISSIONRemoval, see
CLUTCH DISCRemoval/lnspection, page 12-8lnstalfation, page 1 2 1O
section 1312 x 1.0 mm'103 N.m (10.5 kgl.m,76 tbf.fr)
PRESSURE PLATERemoval/lnspection, page 12 7Installation, page 12 10
8 x 1.25 mrr|22 N.m 12.2 kgt.n,16 lbf.ft)
24 N.m (2.4 kgf.m,17 tbf.tr)
15 N. m {1 .5 kgf.m,11 lbf.tr)
COTTERReplace.
I
WInl
9l
v.^- fl
*CLUTCH HOSE
Page 361 of 1681

Clutch Pedal
Adjustment
NOTE:
a To check the clutch interlock switch and clutch
switch, see section 23.
a The clutch is self-adjusting to compensate Ior wear.
CAUTION: ll there is no clealance between the master
cylinder piston and push rod, the release bearing is held
against the diaphragm spring, which can result in clutch
slippage or other clutch problems.
1. Loosen locknut A, and back off the clutch switch
(or adjusting bolt) until it no longer touches the clutch
peoal.
2. Loosen locknut C. and turn the push rod in or out
to get the specified stroke (@) and height {O) at the
clutch Dedal.
3. Tighten locknut C.
4. Turn the clutch switch (or adjusting bolt) until it con-
tacts the clutch pedal.
ASSIST SPRING
@{
{PiN 08798-9002t
(STROKE at PEDAL): 130-140 mm (5.12-5.51 in){TOTAL CLUTCH PEDAI- FREE PLAYI: 12-21 mm (0.47-0.83 inl including tho p6dal play{CLUTCH PEDAL HEIGHT): 164 mm 16.46 inl to the tloor(CLUTCH PEDAL DISENGAGEMENT HEIGHTI: 83 mm {3.27 inl minimum to the floo.
t?
5.Turn the clutch switch (or adjusring bolt) in 3/4 to
1 full turn further.
Tighten locknut A.
Loosen locknut B on the clutch interlock switch.
Measure the clearance between the floor board and
clutch pedal with the clutch pedal tully depressed.
Release the clutch pedal 15-20 mm (O.59-O.79
in) from the fully depressed position and hold it there.
Adjust the position of the clutch interlock switch so
that the engine will stan with the clutch pedal in this
position.
Turn clutch interlock switch 3/4 to 1 full turn further.
Tighten locknut B.
9.
6.
7.
8.
10.
11.
LOCKNUT B9.8 N.m 11.0 kgt.m, 7 lbl.ft)
CLUTCH INTERLOCKswrTcHPUSH ROD
CLUTCH MASTER CYLINDER
CLUTCH SWITCH(or AOJUSTING BOLT)
LOCKNUT A9.8 N.m (1.0 kgf.m, 7 lbt.frl
l
{P/N 0879a-9002)
12-4
1- 10 mm (0.O4-O.39 inl
Page 362 of 1681
CAUTION:
a Do not 3pill brakefluid on the vehicle; it may damege
th€ paid; if brake fluid do63 contact th€ paint. wa3h
it otf immediately with water.
a Plug the end of the clutch pipe and reservoir hose with
a shop towel to prevent brake fluid from coming out.
1. Remove the brake fluid trom the clutch master
cylinder reservoir with a syringe,
2. Disconnect the clutch pipe and reservoir hose from
the clutch master cylinder.
Remove the clutch master cylinder.
NOTE: Do not spill braketluid ontheclutch master
cylinder damper.
CLUTCH PIPE15 N.m {1 .5 kgf'm,11 lbt.Ir)
5.
cLulcHMASTERCYLINDER
Install the clutch master cylinder in the reverse or-
der of removal.
NOTE: Bleed the clutch hydraulic system {see page
I z-ol.cturcHMASTERCYLINDER
Pry out the cotter pin, and pull the pedal pin out of
the yoke. Remove the nuts.
NUTS13 N.m {1.3 kgt.m,9 rbf.ftl
PEOAL PIN
-6rl(P/N 08798-90021
Clutch Master Cylinder
Removal/lnstallation
2-5
Page 363 of 1681

T
fi
;ill
Slave Cylinder
Removal/lnstallation
CAUTION:
a Do not spill brakelluid onthe vehicle; it may dameg€
the paint; if brake fluid does coniaqt the paint, wash
it otf immodiaioly wilh w8ter.
a Plug the end of the clutch pipe with a shop towel to
prevent brake fluid from coming out.
-6|1, Super High Temp Urea Grease (P/N
4==? 08798- 9OO2).-='aii^5Fi: Brake Assembly Lube or equivalent rubber
grease.
1. Disconnect the clutch pipe from the slave cylinder.
2. Remove the slave cylinder from the clutch housing.
12-6
-Gl
lP/N 08798
Install the slave cylinder in the reverse order of
removal.
NOTE: Make sure the boot is installed on the slave
.wlin.larCLUTCH PIPE15 N.m 11.5 kgt.m, 11 lbf.ttl
SLAVE CYLINDER
*9002t
I x 1.25 rnm22 N.m 12.2 kgl.m,16 lbl.lt)
.'....-..-:::-9!!!!!i
{Brake Assembly '
Lube)
Bleed the clutch hydraulic system.
a Attach a hose to the bleeder screw, and suspend
the hose in a container ot brake fluid.
a lvlake sure there is an adequate supply ot fluid at
the clutch master cylinder, then slowly pump the
clutch pedal until no more bubbles appear at the
bleeder hose.
a Refill the clutch master cylinder with fluid when
done.
a Use only DOT 3 or 4 brake tluid.
We recommend Genuine Honda Super Duty
DOT 3.
a Confirm clutch operation. and check for leaking
fluid.
Page 415 of 1681
18.Install the exhaust pipe A. and the three way cat-
alytic converter {B18Cl and B18C5 engines), and
connect the heated oxygen sensor {HO2S) connec-
tors.
GASKETReplace.
HO2SCONNECTORSSELF-LOCKING NUTFeplace.10 x 1.25 mm33 N.m {3.4 kg{.m,jj25 rbr.ftl
GASKETReplace.SELF.LOCKING NUTReplace.8 x 1.25 mm'16 N.m (1.6 kgf.m,12 tbtfr)
SELF.LOCKING NUTReplace.10 x 1.25 mm54 N.m (5.5 kgt.m,40 tbt frlTHREE WAYCATALYTICCONVENTER{Bl8Cl and 8'18C5 engincsl
'19. Install the engine splash shield.
20. lnstall the slave cylinder, then instsll the clutch pipe
bracket.
NOTE: Use only Super High Temp Urea Grease(P/N 08798 - 9002).
6x1.0mm9.8 N.m 11.0 kgt m,7 lbI.ft)
SLAVECYLINDER
8 r 1.25 mm22 N.m 12,2 kotm_- 9(x)21 16 tbt.ftt
Connect the vehicle speed sensor (VSS) connestor
and the staner motor cables.
Install the wire harness clamps.
6x1.0mm9.8 N.m {1.0 kgf m, 7 lbt'ft)
VSS CONNECTOR8 x 1.25 mm8.8 N.m {0.9 kg{.m,6.s rbr.ft)
5{P/N 08798
21.
WIREHARNESSCLAMPS
(cont'd)
13-49
Page 592 of 1681

Adiustment
CAUTION:
a All SRS wile harnesses are covered with yellow insu-
lation. Belore you disconnect any part ol an SRS wire
harness, disconnect the akbag connectors'
a Whenever the ignition switch is ON (ll), or has been
tumed OFF tol less than three minutes, be caletul not
to bump the SRS unit; the airbags could accidentally
deploy and cause damage or injuries'
a For additionalprecautions, referto the SRS sub-section
SBS MAIN HARNESS(Covered with yellow inslrlationl
$!@ rtl"t . "ure lifts are placed plope y lsee sec-
tion 1 l.
'1. Remove the center console lsee section 20)'
2. Snitt to $ position, then remove the lock pin lrom
the cable adjuster'
LOCKNUT7 N.m10.7 kgf.m, 5 lbf.fl)
t
]H
@
@
@
{l
LOCK PIN
14-176
shift cable
3. Check that the hole in the adjuster is perfectly
sligned with the hole in the shift cable'
CableToo Short
NOTE: There are two holes in the adjuster. They are
positioned 9Oo apart to allow cable adiustment in 1/4
turn Incremenrs.
4. lJ the hole is not per{ectly aligned, loosen the locknut
on the adjuster, and adiust as required.
5. Tighten the locknut to 7 N'm (0.7 kgf'm, 5lbf'ftl
6. Installthe lock pin on the adiuster. lI you feelthe lock
pin binding as Vou reinstall it, the cable is still out ot
adjustment and must be readjusted.
7. [/ake sure the lock pin is seated securely in the
aoJusrer.
8. Move the shift lever to each gear, and verify that the
automatic transaxle gear position indicator follows the
automatic transaxle gear position swatch.
9. Start the engine, and check the shift lever in allgears'
lf any gear does not work properly, refer to
troubleshooting on page 14-90 thru 93.
10. Insert the ignition key into the key cylinder on the shift
indicator panel, verify that the shift lock lever is
released.
CableToo Long
ExactAlignment
\
ADJUSTER