Lexus SC300 / Lexus SC400. Manual — part 529
5. INSTALL
DISTRIBUTOR
CAPS
Install the distributor cap with the three bolts. Install the two
distributor caps.
Torque: 3.8 N
⋅
m (39 kgf
⋅
cm, 34 in.
⋅
lbf)
6. CONNECT HIGH–TENSION CORDS TO DISTRIBUTOR
CAPS
Connect the ten high–tension cords.
NOTICE: Connect the high–tension cord by pressing on
the correct place as shown in the illustration.
If not done this way, the high–tension cord will interfere with
the camshaft timing pulley.
7.
INSTALL RH NO.2 TIMING BELT COVER
(a) Install the four gaskets to the timing belt cover.
(b) Install the connector grommet to the timing belt cover.
(c) Install the timing belt cover with the five bolts.
Torque: 16 N
⋅
m (160 kgf
⋅
cm, 12 ft
⋅
lbf)
HINT (12 mm head bolt): Use bolts 106 mm (4.17 in.) in
length.
(d) Install the wire clamp to the timing belt cover.
(e) Install
the
cam position sensor wire to the wire clamp on
the timing belt cover.
(f)
Install the cam position sensor connector to the ignition
coil bracket.
8.
INSTALL LH NO.2 TIMING BELT COVER
(a) Install the two gaskets to the timing belt cover.
(b) Run the cam position sensor wire through the timing belt
cover hole.
(c) Install the timing belt cover and connector bracket with
the three bolts.
(d) Connect the cam position sensor connector.
(e) Install the cam position sensor connector to the
connector bracket.
(f) Install
the
cam position sensor wire to the wire clamp on
the timing belt cover.
(g) Install the connector grommet to the timing belt cover.
–
IGNITION SYSTEM
Distributor
IG–27
9.
INSTALL DRIVE BELT IDLER PULLEY
Install the idler pulley and cover plate with the pulley bolt.
Torque: 37 N
⋅
m (380 kgf
⋅
cm, 27 ft
⋅
lbf)
10. INSTALL NO.3 TIMING BELT COVERS
(See steps 5 to 9 and 11 on pages
to 19)
11. CONNECT RADIATOR HOSE TO WATER INLET
12. CONNECT CABLE TO NEGATIVE TERMINAL OF
BATTERY
13. FILL ENGINE WITH COOLANT (See page
14. WARM UP ENGINE
Allow the engine to warm up to normal operating tempera-
ture.
15. CONNECT
TACHOMETER
Connect the tester probe of a tachometer to terminal IG
of
the check (”DIAGNOSIS”) connector.
HINT: Set the tachometer to the 4–cylinder range.
NOTICE:
•
Never allow the tachometer tester probe to touch ground
as it could result in damage to the igniter and/or ignition
coil.
•
As some tachometers are not compatible with this
ignition system, we recommend that you confirm the
compatibility of your unit before use.
16. CHECK IGNITION TIMING
(a) Using SST, connect terminals TE1 and E1 of the check
(”DIAGNOSIS”) connector.
SST 09843–18020
(b) Connect the tester probe of a timing light to the
high–tension cord for No.6 cylinder.
IG–28
–
IGNITION SYSTEM
Distributor
(c) Check the ignition timing.
Ignition timing: 8–12
°
BTDC @ idle
(Transmission in neutral range)
If the ignition timing is not as specified, check that following
conditions are normal:
•
Throttle valve fully closed
•
Continuity between terminals IDL1 and E2 of the
throttle position sensor (See page
)
•
(e) Remove the SST from the check connector.
SST 09843–18020
17. DISCONNECT TACHOMETER AND TIMING LIGHT FROM
ENGINE
18. INSTALL UPPER HIGH–TENSION CORD COVER
(See step 10 on pages
–
IGNITION SYSTEM
Distributor
IG–29
SERVICE SPECIFICATIONS
SERVICE DATA
Oil pressure
at idle speed
29 kPa (0.3 kgf/cm, 4.3 psi) or more
at 3,000 rpm
294–539 kPa
(3.0–5.5 kgf/cm, 43–78 psi)
Oil pump
Tip clearance
STD
0.310–0.490 mm
0.0122–0.0193 in.
Limit
0.53 mm
0.0209 in.
Body clearance
STD
0.100–0.175 mm
0.0039–0.0069 in.
Limit
0.20 mm
0.0079 in.
Rotor clearance
STD
0.030–0.090 mm
0.0012–0.0035 in.
Limit
0.12 mm
0.0047 in.
TORQUE SPECIFICATIONS
Part tightened
N m
kgf cm
ft
⋅
lbf
A/C compressor X Cylinder block
Through bolt
26
265
19
Bolt and nut
52
530
38
Oil pressure switch X Cylinder
block
14
150
11
Oil drain plug X No.2 oil pan
45
450
33
Oil pump body cover X Oil pump
body
10
105
8
Plug X Oil pump body
49
500
36
Oil pump X Cylinder block
21
210
15
No.1 oil pan X Cylinder block
12 mm head bolt
21
210
15
14 mm head bolt
39
400
29
Oil pan baffle plate X No.1 oil pan
8.8
90
78
in.
⋅
lbf
Oil strainer X No.1 oil pan
8.8
90
78
in.
⋅
lbf
No.2 oil pan X No.1 oil pan
8.8
90
78
in.
⋅
lbf
Oil level sensor X No.1 oil pan
5.4
55
48
in.
⋅
lbf
–
LUBRICATION SYSTEM
Service Specifications
LU–19
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