Mechanical
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- Toyota / 4A-GE
- Car page
Bearing Clearances
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OEM |
GROUP A |
N2 |
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Crank Axial |
0.02 – 0.22 mm |
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Crank Main Bearings |
0.015 – 0.033 mm |
0.050 – 0.065 mm |
0.050 – 0.065 mm |
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Rod Axial |
0.15 – 0.25 mm |
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Rod Bearings |
0.020 – 0.051 mm |
0.040 – 0.060 mm |
0.040 – 0.060 mm |
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Piston Clearance |
0.10 – 0.12 mm |
0.10 mm |
0.11 – 0.12 mm |
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Piston Ring 1 |
0.04 – 0.08 mm |
0.03 – 0.07 mm |
0.03 – 0.07 mm |
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Piston Ring 2 |
0.03 – 0.07 mm |
0.02 – 0.06 mm |
0.03 – 0.07 mm |
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Piston Ring End Gap 1 |
0.25 – 0.47 mm |
0.028 – 0.41 mm |
0.028 – 0.41 mm |
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Piston Ring End Gap 2 |
0.20– 0.42 mm |
0.028 – 0.41 mm |
0.028 – 0.41 mm |
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Piston Oil Ring End Gap |
0.15 – 0.52 mm |
0.40 mm |
0.40 mm |
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Crankshaft Diameter |
Bearing Cap Diameter |
Width |
Wall Thickness |
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KING CR4032XP |
41.984 - 41.999 |
45.001 - 45.024 |
17.07 |
1.488 |
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KING MB5527XP |
47.986 - 48.001 |
52.019 - 52.05
|
19.98 |
2.002 |
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KING |
53.500/53.749 |
65.999/66.251 |
- |
2.489 |
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ACL 4B1780H (X) |
41.985 - 42 |
45 - 45.024 |
17.1 |
1.487 HX 1.474 |
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ACL |
47.985 - 48 |
52.02 - 52.05 |
19.9 |
2.001 HX 1.988 |
|
ACL 2T1695 |
- |
- |
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Camshaft and
Bearings:
Bearing journals: 5
Journal diameter: 26.949-26.965mm
Bearing oil clearance: 0.035-0.072mm. Limit: 0.10mm
Cam Lobe height: 35.41-35.51mm. Limit: 35.11mm
Camshaft end float: 0.080-0.190mm. Limit: 0.25mm
Camshaft runout limit: 0.04
Cam follower:
Diameter: 27.975-27.985mm
Oil clearance: 0.015-0.046mm. Limit: 0.07
Timing Belt tensioner spring: Free Length: 43.5mm
Tension @ 50.2mm extention: 93-103N
Valve Clearance (cold)
Inlet: 0.15-0.25mm
Exhaust: 0.20-0.30mm