Cadillac Catera 3.0L 1999 Guia De Inicio Rapido

CADILLAC
Model: Year:
Catera 3.0L 1999-01
VIN code digit 8 = R (L81)
Engine Identification:
16
AD83140
15
AD76822
IN
CA2
AD76822 5
2
1
5
1
EXH
CA1
2
8
T
(15 ft. lbs.)
AD87556
(0.078-0.157 ins)
17
14
AD87555
(0.003 ins)
9
12
11
AD79312
10
AD11211
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TBK285AP
6
AD76821
21
AD76821
18
(30 ft. lbs.)
IN
CA3
5
3 AD76821
4
5
3
4
EXH
20
G
CA4
7
G 13
CS
19
4
(30 ft. lbs.)
AD82944
3
AD76825
2
1
(15 ft. lbs.)
AD76820
ENG
Replacement Interval Guide
Cadillac recommends replacement every
100,000 miles or every 96 months under normal
conditions, or every 60,000 miles under adverse
conditions.
The previous use and service history of the vehicle
must always be taken into account.
Check For Engine Damage
CAUTION: This engine has been identified as an
INTERFERENCE engine in which the possibility of
valve-to-piston damage in the event of a timing belt
failure is MOST LIKELY to occur.
A compression check of all cylinders should be
performed before removing the cylinder head.
Labor Times – hrs
Remove & install 2.90
Special Tools
º Camshaft sprocket locking tools –
Cadillac No. J42069-1/2.
Crankshaft locking tool – Cadillac No. J42069-10.
º
º Timing belt retaining wedge –
Cadillac No. J42069-30.
Guide pulley adjusting wrench –
º
Cadillac No. J42069-40.
Camshaft sprocket timing gauge –
º
Cadillac No. J42069-20.
Special Precautions
º
Disconnect battery ground cable.
º
Do NOT turn crankshaft or camshaft with timing
belt removed.
º
Remove spark plugs to ease turning engine.
º
Turn crankshaft in normal direction of rotation
(unless otherwise stated).
º
Do NOT turn crankshaft via camshaft or other
sprockets.
º
Observe all tightening torques.
Removal
1. Raise and support front of vehicle.
2. Remove:
¡
Front lower splash guard.
¡
Intake air chamber & hose.
¡
Water pump pulley.
¡
Accessory drive belt and tensioner.
¡
PAS pump pulley.
¡
Air injection equipment pipes.
¡
Wiring harness clips.
¡
Timing belt cover.
Crankshaft pulley bolts j
¡
1 .
¡ Crankshaft pulley j
2 .
3. Turn crankshaft clockwise until No.1 cylinder
approximately 60a before TDC of compression
stroke.
4. Install locking tool No. J42069-10 j
3 to crankshaft.
5. Turn the crankshaft slowly clockwise until lever of
locking tool j
3 contacts water pump pulley flange.
6. Tighten knurled screw j
4 .
7. Ensure the camshaft sprocket timing marks j
5
are
aligned.
NOTE: Camshaft sprockets CA1 & CA2 and CA3
& CA4 have dual timing marks. Ensure sprocket
CA1 timing mark '1' is aligned with timing mark
j
5 on exhaust camshaft CA1 etc.
8. Install camshaft sprocket locking tools
No. J42069-1/2 j
6 between camshaft sprockets
CA1 & CA2 and CA3 & CA4.
NOTE: If locking tools will not fit between
sprockets, loosen guide pulley nut j
7 for CA1 &
CA2, or j
1 3 for CA3 & CA4 and turn pulley slightly
using wrench tool No. J42069-40, then re-torque
to 30 ft. lbs.
9. Loosen the tensioner nut j and turn pulley j
8 9
away
from belt.
10. Remove the timing belt.
NOTE: If camshaft sprockets are to be removed,
note position of sprocket dowel pins in relation
to timing marks.
IMPORTANT: For maximum timing belt system
life, replace all tensioners and pulleys during
timing belt replacement.
Installation
1. Remove the crankshaft locking tool j
3 .
2. Ensure the crankshaft and oil pump marks j
1 1 are
aligned.
3. Ensure the camshaft locking tools j
6
are installed.
4. Install the belt to the crankshaft sprocket, ensure
double line marks on belt j
1 0
are aligned with
crankshaft and oil pump marks j
1 1 , observe direction
of rotation markings.
5. Wedge belt in position using tool No. J42069-30 j
6. Install belt around tensioner pulley j
9 .
7. Install the belt to camshaft sprockets CA1 & CA2,
then to upper guide pulley j
7 . Ensure marks on belt
align with sprocket timing marks j
5
.
8. If necessary, loosen upper guide pulley nut j
1 8
and
turn pulley slightly using wrench tool No. J42069-40
until timing belt can be installed then torque nut to
30 ft. lbs.
9. Install the belt to lower guide pulley j
1 3
, then to
camshaft sprockets CA3 & CA4. Ensure marks on
belt align with sprocket timing marks j
5 .
10. If necessary, loosen lower guide pulley nut j
1 9 and
turn pulley slightly using wrench tool
No. J42069-40 until timing belt can be installed
then torque nut to 30 ft. lbs.
11. Ensure belt deflection at F is not more than 0.4 ins.
12. If necessary, adjust as follows:
Loosen lower guide pulley nut j
¡
1 9 , turn pulley
counterclockwise using wrench tool
No. J42069-40 until nut at 6 o'clock position j
2 0
Torque lower guide pulley nut j
¡
1 9 to 30 ft. lbs.
13. Loosen upper guide pulley nut j
1 8 , turn pulley using
wrench tool No. J42069-40 until nut at 3 o'clock
position j
2 1 .
14. Torque upper guide pulley nut j
1 8
to 30 ft. lbs.
15. Loosen tensioner nut j
8
.
x
457TBIS285AP
1 2 .
.