TOYOTA PREVIA 91-97 REPAIR MANUAL

ENGINE AND ENGINE OVERHAUL 3-3

ENGINE MECHANICAL SPECIFICATIONS

Description English Specifications Metric Specifications

Camshaft continued:

Journal diameter

Circle runout

1.061 4-1 .0620 inch

0.0024 inch

26.959-26.975mm

0.06mm

Cam lobe height

intake

exhaust

1.7839-1 .787 inch

1.7740-1. 7779 inch

45.31 -45.41 mm

45.06-45. 16mm

Camshaft gear backlash

STD

limit

Camshaft gear spring end free distance

0.0008-0.0079 inch

0.01 88 inch

0.886-0.902 inch

0.020-0.200mm

0.30mm

22.5-22.9mm

Valve lifter

Lifter diameter

Lifter bore diameter

1.21 91 -1.21 95 inch

1.2205-1.2211 inch

30.966-30.976mm

31 .000-31. 01 6mm

Oil clearance

STD

limit

0.0009-0.0020 inch

0.0028 inch

0.24-0.50mm

0.07mm

Exhaust and intake manifolds

Surface limit 0.01^6 inch 0.4mm

Chain and sprocket

Elongation

limit No. 1 chain 16 links

No. 2 chain 18 links

5.772 inch

5.531 inch

146.0mm

140.5mm

Crankshaft sprocket wear

limit No. 1 chain 16 links

No. 2 chain 18 links

Camshaft sprocket wear

Idle gear sprocket wear

Chain damper and slipper

Cylinder block

Head surface warpage

Cylinder bore

1991-93

1994-97

2.339 inch

2.752 inch

4.480 inch

2.244 inch

0.039 inch

0.0020 inch

3.7398-3.7402 inch

3.7398-3.7403 inch

59.4mm

69.9mm

113.8mm

57.0mm

1.0mm

0.05mm

94.99-95.00mm

94.990-95.003mm

Bore wear

STD

OS 0.50

Taper

Out-of-round

3.745 inch

3.7622 inch

0.0004 inch

0.0008 inch

95.06mm

95.56mm

0.01mm

0.02mm

Block main journal bore

STD No. 1 1991-93

No. 2 1991-93

No. 3 1991-93

U/S 0.25 1991-93

2.5198-2.5201 inch

2.5201 -2.5203 inch

2.5203-2.5205 inch

2.51 97-2.5206 inch

64.004-64.01 Omm

64.01 1-64.01 6mm

64.01 7-64.022mm

64.000-64.024mm

Main bearing bolt outside diameter

STD 1994-97

maximum 1994-97

0.4236-0.431 9 inch

0.4094 inch

10.76-1 0.97mm

10.40mm

Piston and Rings

Piston diameter

STD

0/S 0.50

Piston-to-cylinder clearance

3.7382-3.7386 inch

3.7579-3.7583 inch

0.001 2-0.0020 inch

94.95-94.96mm

95.45-95.46mm

0.03-0.05mm