Toyota Workshop Service and Repair Manuals

Piston: Specifications

Piston

Diameter ....................................................................................................................................................  93.910 to 93.940 mm (3.6972 to 3.6984 inch)
Oil Clearance

Standard ...................................................................................................................................................  0.060 to 0.102 mm (0.0031 to 0.0040 inch)
Maximum .................................................................................................................................................................................  0.13 mm (0.0051 inch)

Pin Diameter ..............................................................................................................................................  21.997 to 22.006 mm (0.8660 to 0.8664 inch)
Bushing Inside Diameter ...........................................................................................................................  22.005 to 22.014 mm (0.8663 to 0.8667 inch)
Pin To Bushing Oil Clearance

Standard ...................................................................................................................................................  0.005 to 0.011 mm (0.0002 to 0.0004 inch)
Maximum ...............................................................................................................................................................................  0.050 mm (0.0020 inch)

Ring Groove Clearance

No. 1 ............................................................................................................................................................  0.02 to 0.07 mm (0.0008 to 0.0028 inch)
No. 2 ............................................................................................................................................................  0.02 to 0.06 mm (0.0008 to 0.0024 inch)
Oil ................................................................................................................................................................  0.07 to 0.15 mm (0.0028 to 0.0060 inch)

Ring End Gap

Standard

No. 1 ......................................................................................................................................................  0.30 to 0.40 mm (0.0118 to 0.0157 inch)
No. 2 ......................................................................................................................................................  0.40 to 0.50 mm (0.0157 to 0.0197 inch)
Oil (Side Rail) .......................................................................................................................................  0.10 to 0.40 mm (0.0039 to 0.0157 inch)

Maximum

No. 1 ......................................................................................................................................................................................  1.0 mm (0.039 inch)
No. 2 ......................................................................................................................................................................................  1.1 mm (0.043 inch)
Oil (Side Rail) ........................................................................................................................................................................  1.0 mm (0.039 inch)