TSRM/MK2 Supra/Repair Manual
Repair ManualWiring Diagrams
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EM/Engine Mechanical32 / 64
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ENGINE MECHANICAL — Cylinder Head — MK2 Supra Engine Mechanical, page 32
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EM-32 ENGINE MECHANICAL — Cylinder Head SST EA9188 EA9189 SST Plunger Check Ball EA9190 2/9191 EX Housing Side Match Hole IN Camshaft Side Match Hole EA9133 (d) Install the oil seal in the camshaft housings. • Apply MP grease to the oil seal lip. • Using SST, install the new oil seal. SST 09214-60010 3. INSTALL CAMSHAFTS IN CAMSHAFT HOUSINGS (a) Insert the camshafts into each camshaft housing. (b) Install the O-rings and rear end covers. 4. BLEED LASH ADJUSTER (a) Immerse the lash adjuster into light oil. (b) Insert SST into the plunger hole and slide the plunger up and down several times while pushing down lightly on the check ball. SST 09276-70010 (c) Repeat steps (a) and (b) when the plunger stroke is beyond about 0.5 mm (0.020 in.). (d) Replace the lash adjuster with a new one if the plunger stroke exceeds 0.5 mm (0.020 in.) even after repeating steps (a) and (b) several times. NOTE: Do not disassemble the lash adjuster. 5. LASH ADJUSTER LEAK DOWN TEST (a) Bleed the lash adjuster. (b) Using a leak down tester, apply 20 kg (44.1 lb, 196 N) of pressure to the plunger and measure its slide down speed after it has slid down about 2 mm (0.08 in.). Leak down time: 2 — 7 seconds per 1 mm (0.04 in.) (c) Make sure that the match hole on the No. 2 journal of the camshaft housing is aligned with that of the camshaft. 6. CHECK OIL PRESSURE REGULATOR FOR LASH ADJUSTER (See page LU-9)