Opel Frontera UBS. Service manual — part 1260

SERVICE INFORMATION 00 – 23

SERVICE STANDARD

Engine Mechanical

mm (in)

Parts

Items

Service standard

Cylinder
Head

Cylinder head deck, and
exhaust manifold mating
surface for flatness

Cylinder head height

Hot plug depression

Hot plug installation
pressure

0.05 (0.0020) or less

92.0 (3.6220)

—

44000-54000N (4500–5500
kg/9923–12128 lbs)

0.2 (0.0079)

—

0.02 (0.0008)

—

Service limit

Remarks

Cannot be
reground

Free height

Squareness

Spring tension

48.0 (1.8898)

—

294 (30/66.1)

Valve
Spring

47.10 (1.8543)

1.7 (0.0669)

257.9 (26.3/57.9)

At installed
height
38.9 (1.5)

N (lb)

Diameter of Valve stem

Valve and valve guide
clearance

Valve guide upper end
height (Measured from the
Cylinder head upper face)

Valve guide margin

Valve thickness

Valve seat contact
surface angle

Valve seat contact width

7.946–7.961
(0.3128–0.3134)
7.921–7.936
(0.3118–0.3124)

0.039–0.071
(0.0015–0.0028)
0.064–0.096
(0.0025–0.0038)

13.0 (0.5118)

1.1 (0.0433)

1.34 (0.0528)

1.38 (0.0543)

45

°

1.7 (0.0669)

2.0 (0.0787)

Valve
and
Valve
Guide

7.880 (0.3102)

7.850 (0.3091)

0.200 (0.0079)

0.250 (0.0098)

—

1.6 (0.0630)

1.1 (0.0433)

1.1 (0.0433)

—

2.2 (0.0866)

2.5 (0.0984)

IN

EX

IN

EX

IN

EX

IN

EX

Curvature

—

Push rod

0.3 (0.0118)

00 – 24 SERVICE INFORMATION

mm (in)

Parts

Items

Service standard

Service limit

Remarks

End play

Cam height

Journal diameter

Run-out

Camshaft bearing inside
diameter

Camshaft bearing clearance

0.08 (0.0031)

42.02 (1.6543)

49.945-49.975
(1.9663-1.9675)

0.02 (0.0008) or less

50.000–50.030
(1.9685–1.9697)

0.025-0.085
(0.0010-0.0033)

Camshaft

0.2 (0.0079)

41.65 (1.6398)

49.60 (1.9528)

0.10 (0.0039)

50.08 (1.9716)

0.12 (0.0047)

Outside diameter

Clearance between
tappet and cylinder
body

12.97-12.99
(0.5106-0.5114)

0.03 (0.0012)

Tappet

12.95 (0.5098)

0.10 (0.0039)

Rocker arm shaft outside
diameter

Rocker arm inside
diameter

Clearance between
rocker arm and rocker
arm shaft

Rocker arm shaft runout

18.98-19.00
(0.7472-0.7480)

19.01-19.03
(0.7484-0.7492)

0.01-0.05
(0.00039-0.00197)

—

Rocker arm
Assembly

18.90 (0.7441)

19.10 (0.7520)

0.20 (0.00787)

0.30 (0.0118)

Oil clearance
Body and gear

Body cover and gear

0.14 (0.0055)

0.06 (0.0024)

Oil pump

0.20 (0.0079)

0.15 (0.0059)

Thrust clearance

Main bearing clearance
(Between main bearing
and Crankshaft)

Crankshaft runout

Main journal diameter

Crank pin diameter

0.10 (0.0039)

0.031-0.063
(0.0012-0.0025)

0.05 (0.0020) or less

69.917-69.932
(2.7526-2.7532)

52.915-52.930
(2.0833-2.0839)

Crankshaft

0.30 (0.0118)

0.11 (0.0043)

0.08 (0.0031)

69.91 (2.7524)

52.90 (2.0827)

Cannot be
reground

Uneven wear
limit 0.05
(0.002)
Uneven wear
limit 0.08
(0.0031)

SERVICE INFORMATION 00 – 25

mm (in)

Parts

Items

Service standard

Service limit

Remarks

1st/2nd

Oil

1st/2nd

Oil

Bend

Twist

Piston diameter

Piston Clearance
(Between piston and
Cylinder liner)

Piston ring gap

Piston ring clearance

Piston pin outside diameter

Clearance between
connecting rod and
piston pin

Clearance between
piston and piston pin

Connecting rod
alignment

Connecting rod thrust
clearance

Clearance between
crank pin and connecting
rod

95.365-95.404
(3.7545-3.7561)

0.047-0.065
(0.0019-0.0026)

0.20-0.35
(0.0079-0.0138)

0.10-0.30
(0.0039-0.0118)

0.05-0.09
(0.0020-0.0035)

0.03-0.07
(0.0012-0.0028)

33.995-34.000
(1.3384-1.3386)

0.008-0.020
(0.0003-0.0008)

0.002-0.015
(0.00008-0.0006)

0.08(0.0031) or less

0.05(0.0020) or less

0.230 (0.0091)

0.029-0.083
(0.0011-0.0033)

Piston,
Piston pin,
Piston ring
and
Connecting
rod

—

—

1.5 (0.0591)

1.5 (0.0591)

0.15 (0.0059)

0.15 (0.0059)

33.970 (1.3374)

0.05 (0.0020)

0.04 (0.0016)

0.20 (0.0079)

0.15 (0.0059)

0.35 (0.0138)

0.100 (0.0039)

Per 100 (3.937)

Per 100 (3.937)

Warpage
(Upper surface of the
cylinder block)

Cylinder bore diameter

—

97.001-97.040
(3.8189-3.8205)

Cylinder
Block

0.20 (0.0079)

00 – 26 SERVICE INFORMATION

Engine Cooling

mm (in)

mm (in)

Parts

Items

Service standard

Service limit

Remarks

Cylinder liner
projection

Cylinder liner outside
diameter

0.0-0.1
(0.00-0.0039)

97.011-97.050
(3.8193-3.8209)

Cylinder
Block
(cont’ d)

Parts

Items

Service standard

Service limit

Remarks

Valve opening
temperature

Valve full open
temperature and lift

82

°

C

(180

°

F)

More than 10 (0.39)
at 95

°

C (203

°

F)

Thermostat

Valve opening pressure

88.2 ~ 117.6kpa
(0.899 ~ 1.199kg/cm

2

/

12.8 ~ 17.0psi)

Radiator
cap

Tension (Slackness)
AC generator & fan
pulley drive belt

A/C Compressor drive
belt

P/S pump drive belt

New belt
8-12 (0.31-0.47)
Used belt
8-12 (0.31-0.47)
New belt
7-10 (0.28-0.39)
Used belt
5-8 (0.2-0.31)
New belt
13-16 (0.51-0.63)
Used belt
13-16 (0.51-0.63)

Drive belt