Valve Clearance Adjustment Chart(Intake Valve)
Present Shim
Mark 368 370 372 374 376 378 380 382 384 386 388 390 392 394 396 398 400 402 404 406 408 410 412 414 416 418
Thickness 3.68 3.7 3.72 3.74 3.76 3.78 3.8 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
Clearance Measurement
0
~
0.01 3.58 3.6 3.62 3.64 3.66 3.68 3.7 3.72 3.74 3.76 3.78 3.8 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08
0.02
~
0.03 3.6 3.62 3.64 3.66 3.68 3.7 3.72 3.74 3.76 3.78 3.8 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1
0.04
~
0.05 3.62 3.64 3.66 3.68 3.7 3.72 3.74 3.76 3.78 3.8 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12
0.06
~
0.07 3.64 3.66 3.68 3.7 3.72 3.74 3.76 3.78 3.8 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14
0.08
~
0.13 Specifi ed Clearance/No Change Required
0.14
~
0.15 3.7 3.72 3.74 3.76 3.78 3.8 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.16
~
0.17 3.72 3.74 3.76 3.78 3.8 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.18
~
0.19 3.74 3.76 3.78 3.8 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.20
~
0.21 3.76 3.78 3.8 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.22
~
0.23 3.78 3.8 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.24
~
0.25 3.8 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.26
~
0.27 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.28
~
0.29 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.30
~
0.31 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.32
~
0.33 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.34
~
0.35 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.36
~
0.37 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.38~0.39 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.40
~
0.41 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.42
~
0.43 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.44
~
0.45 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.46
~
0.47 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.48
~
0.49 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.50
~
0.51 4.06 4.08 4.1 4.12 4.14 4.16 4.18
0.52
~
0.53 4.08 4.1 4.12 4.14 4.16 4.18
0.54
~
0.55 4.1 4.12 4.14 4.16 4.18
0.56
~
0.57 4.12 4.14 4.16 4.18
0.58
~
0.59 4.14 4.16 4.18
0.60
~
0.61 4.16 4.18
0.62
~
0.63 4.18
1.Measure the clearance (when engine is cold).
2.Check present shim size.
Example: Present shim is 3.50 mm.
Measured clearance is 0.25 mm.
Replace 3.50 mm shim with 3.62 mm shim.
Remeasure the valve clearance and readjust if necessary.
2-22 PERIODIC MAINTENANCE