1993 NISSAN SERENA tow

CRANKCASE
EMISSION CONTROL SYSTEM
Thissysrem rctuns
b ow-bygasb bolh lhe nlake manilotdand
The positive
cankese venliaton (P
C.V.) valv6 s provid€d
ro
@nductcrankcase blow'by gas
to th€ inlak6 man iold.
Dufng padiallhone
opealion ol lhe efglne. lhe intake man
ilold sucks lhe b ow-by gas
lhrough the P.C.V. valve.
Normally,lhe capaciq/ ol lhe valve is sufticienl lo hande any
blow-by and a smal amou.l ol ventlating an.
The ventlaiing air slhen dEwn lbm lh€ an nlerlubes,lhrough
fte hose conn€ctng an nd Iubas lo rocker
cover, i.lo lhe
Under iull-lhrctlle
coidilion, lho manilold vacuum is nsuliiclenl
lo daw lho bowby llow lhouqh lh€ valve,
and is llow goes
lhrcugh lh6 hos€ conn€ciion in lhe reveBe
dnedion.
On v6h cl€s wilh an.rc.ssiv6 y
hiqh b ow.by sone ot lhe ltow
willgolhbugh th€ hose
connection lo fie an inlel lubes und6r
Inspection
P.C,V, (PciriE
crdkes€ Ventitatbn)
Wilh enqne running al idl€, €mov€ P.C.V. valv€ lrom
ro.ker
cover il lh€ vav€ is wo*inq pope
y,
a hlssinq noise wilt be
head as aif passes
lhrough it and a sl@ngvacuum shou d be
rell imnediately
when a fngef is placed
ov€r valve inl6l.
Description
EF & EC-341

INJECTION
NOZZLE
Tesl and Adiunmenl
wten clng node tester, be @r€t!t noi to dtow dt€Bt tu€l
lpbyed lrofi n@b ro 6lnEr your
h.nd. or body,
od mal.c
sE your
€y€3 rE p.opery
pdecled
wnh qoggl6,
NJECNON PFESSURE TEST
1. Inslall
nozzle lo injection nozzlBlesld 5.d bl6ed
an lrom
2. Plmp
ihe lesier handle slowly (onc€
p*
se@nd) and
waEn oe piessurc
qa!s6.
3. Fead ihe p@ssure
sausBwh€n rh€
injecllon pressucjlsl
hili.l ini6ction pt€5!e:
12C59 -
13?39 kP5 (1225
-
l3:t,4 bar. 125 -
i35
ksbrnl 1,7t3 -
1,92O psl)
13,239 -
14,024 kPa
032.4 -
140, hd,
135 -
143
kg/m", I,Co.2,033 p6i)
Atwarys chek Initi.l lnjecrlon pllgF
u6lng a tu |Ete
a. To adjust injeclion p€ssur€,
change adjustins shims.
.. Inc|@lnq 116 lhickE or
.dlBtlng .hlns ircE.s
hi
tal lnlrclion pEsue.
[email protected] michs rqtuG
tnl al
b. A 3hh rhblfts or 0.04
nm (00016
in) @nEponds
6p9rorinEr€ly to r dltleEG ot 471 kPa
{471 bar,
43
kg/cnz,63 p6l)
In hldal ini6crion p.€sue.
Rd€r ro s.D.s.
id adiumng shin.
EF & EC{42

SEBVICE
DATA AND SPECIFICATIONS TS.D.S.)
Inieclion Pump (Confd)
Pobr ionPrer adiustner
''
unoer ttre lottow
ng
conoillons. adjusl the poientomele/s
insiallarion pcilion
so thal lhe oulpul vo tag6
eolals lhe soeciried value.
Ir.p vonaos
rovt
1. Al
a pump
speed ol 14.3 -
16.3 m(0.50lo 0.57 mp U ozll,000 st, adiusl lh€ dummy
& thai it is
against lhe @nftllev€f, and lhon seurc il usng th€ locknul.
2. Thon, adiusl lh6 polBntiomaler
so lh.t rhe
output is
6.29 -
6.35 V.
3. Aft.f m.kinq adiush€nt, remove
lhe dumdy boli and @nlnm fial lh6 polenliomeref
ourpur voltage
is as sp€cif.d abov€ when
lhe conibl ever is in the ide posilion.
EF & EC-407

INSPECTION
AND
ADJUSTMEiIT
Bleedlng Procedu|e
L Blsd an trom clulch opeBling
cylinder a@rding ro th€
cr.lully noilo.
nuld Lsl n nard .yiftr* dudns
bteedt.g
Too !D r6$ruoir wilh €@hme.ded
bEke lllld.
Conn@r a lrmspa€nt vinyl
tube to air bt6.d.f vatve
ol
clutch op€EtnA cylind€r.
Fully d6pEs.
clulch p6dal
s6v€El rimes.
Wilh clulch pedal
depess€d, op6n bl€€der valve
to rcte6g
e. Close bl€€d$ valve.
L Rapeat
steps c though e abov€ unrit b6k.
nuid ttows nom
air bleeder valvo wirhout an
blbbles.
2. Bleed air lrcm clutch damp.r
ac@ding lo lh€ abov. pro-
6du€ (SB2oDE
enqlne moderonty).
3. R€p6al th€
abov. bleeding prcc.durc.
1 and 2 *veEl

DISASSEMBLY
Shift Corftol Components (Cont'd)
3. D ve oul Eiaininq pins.
Then dive olt lolk rods and
rcmovo inlB ock balls.
Geat Componenls
1. Belore disassembly, measu€
each gear
6nd plsy.
. lt€.d play
is norwilhin
the specitiod timil, dis.s@nbte
and
. Roplace any panwhl.h
is wom o.dsmag.d.
5. M4h
2nd End Ev66e geai,
the. daw out counter
lont
beadng wilh su labl€ puller.
Bemov. snap nq
and then renove sub,A€ar bEcket,
sub-
gear spfng ano
.uo-gear.
D6w oul
@unle' drve gear
w[h main
drve qear
assem,
Wh.n dEoing out min dd€ ger
@nbty, b. eBtut nor
to d@p
Falot bearlng
6nd b.ulk dng.
F€mov€ snap ing and d6w out3d
& 4th
synchrcniz€rand
Oisassemble parls
al r6af ol
adaFter otale as
tottow.:
Felease staking on counteEhatl
nut and mainshalt
nui and
Mal..hait nd: L3fi.h.nd
th@d
6.
i[T-l4

DISASSEMBLY
Model R2m
Difierential Carrier
1. Usino lwo 45
mm (1.77
in) spa@6,
T6l nunbcr: Kv3a100€0o
Pre-inspec{ion
A€loe disassemblin!,inald ve, periom
the lottowing inspec-
1) Tum drve pinion
in borh
dnecions seve€t iim6s ro
s.l
2) Chek iolal preload
wi r Too.
T6l nunber:
SI!127S{D0
(15- 25 kgrcm,13,5- 2t.5 in.tb)
B n9 g€ar
lo drlve pinion
backtash
Check ng geaFlo-ddv€
pinion
back ash wlh a diatindica-
0.13 -
0.1a nm (0d139 -
0.0059 tn)
Check runoutol nq gear
wilh a dialindic.tor
0,05 mm (0.0020
In)
ch€ck loolh @ntact. (R€l€rro
adjusrmenr.)
2. Paint or punch
matchharks on one
side ot
ng €p so il
€n be p@p€dy
€insiated.
a@nng ep6
.e llneb@rd during
mnutactuE.
in rheir prcoer
ocgitionE.
ir
Plll l

NSPECION
0itgdd R200u
Contact Surtao€s
1 .
Cl6n lhe dlsasmbl€d pais
in 6una6t€ $tvBnt
and btow
dry wllh cohp6.@d
aii
2. lf followinq
.urta@s are tound lo be
b!red of sc€tch6d,
.moorh wirh oll srone.
3. Check vb6us
@Jprinq tor
ortteakrga tl
I is
fautty,
r€pts€
PBl5

LIMITED
SUP DIFFEREI'ITIAL (For
Hl 9OA)
Disassembly
L R6mov6 side bear ng inner
cone with Tool.
2. Remove
ing gear
by spGadinq oul lockslEps,
3. Lo6en ing gear
b.lls in
a c ss-cross iashion.
4. Tap .g g€ar
otf gear
@se with a son hammol
T.p snly
.ll dound ro pevdl
ring g€.r
lrcn bindlng,
5. Femoee dife€nta €se by spreading
oul look straps.
6. Bemove coupla bolls
on dillerential c6es A and B
with a
T@l number: s'830a10@
7. Sepa€te difl6Gnria
@e a
and B.
0€w oul @mpon6 pans
(dis
and prales,
6ic.).
Put na*s d g€@
.nd p|€ge
dn$ $ thar rh.y
en b.
rdmt ll.d in rh.ir
odglnal pcifoE
trcm which
rhey reE
|nspection
COMIACT SURFACES
1. Cl6anlhe
diessembled parts
in suiiabte sotvenl and btow
dry with comprsss€d
air.
2. lf lolowinq
6urfa@s are lound with bur.
or scratohes,
.mooth wilh oi slono.
C) Ditle@nt
al c666 A
O oitlereni
al c6se B
O Pinion
nate gear
@ Pinion
nale shaft
O Fdction
plale
quide
OISC AND PLAIE
1. Clean
the discs and plal€s
in suiiabte so v€nl and btow
dry
wih @hpr€ss6d air
2. Inspacl
dis and plates
lorw€ar, nicks and burs.
#
Y
*f
e@ d,$
PD€5