Contents Wiring diagrams Section: Accessory Drive Belts All sections

Engine Mechanical: Adjustments Scion tC I

Accessory Drive Belts 16 illustrations ~628 words

ADJUSTMENT

Note. When disconnecting the battery negative terminal, initialize the following system(s) after the terminal is reconnected.

System NameAction
Power Window Control SystemINITIALIZATION
Sliding Roof SystemINITIALIZATION

INITIALIZATION SYSTEM DESCRIPTION

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Scheme 13
  1. DISCONNECT BATTERY NEGATIVE TERMINAL
  2. REMOVE FRONT WHEEL RH
  3. REMOVE ENGINE UNDER COVER RH
  4. REMOVE ENGINE UNDER COVER LH
  5. REMOVE FRONT FENDER APRON SEAL RH (See «REPLACEMENT»(ref-224772-S06982846242006031100000) )
  6. REMOVE ENGINE COVER SUB-ASSY NO. 1 (See «REPLACEMENT»(ref-224768-S11554739982006031100000) )
  7. REMOVE FAN AND GENERATOR V BELT (See «FAN AND GENERATOR V BELT (2AZ-FE)»(ref-224768-S30284662712006031100000) ) SST 09249-63010
  8. SEPARATE VANE PUMP ASSY (See «OVERHAUL»(ref-224784-S39497530042006031100000) ) SST 09249-63010
  9. REMOVE ENGINE MOUNTING INSULATOR RH (See «REPLACEMENT»(ref-224768-S11554739982006031100000) )
  10. REMOVE IGNITION COIL ASSY (See «IGNITION COIL ASSY (2AZ-FE)»(ref-224772-S39140322102006031100000) )
  11. REMOVE CYLINDER HEAD COVER SUB-ASSY (See «REPLACEMENT»(ref-224768-S11554739982006031100000) )
  12. SET NO. 1 CYLINDER TO TDC/COMPRESSION (See «REPLACEMENT»(ref-224768-S11554739982006031100000) )
  13. CHECK VALVE CLEARANCE Check only the valves indicated. Using a feeler gauge, measure the clearance between the valve lifter and camshaft. Valve clearance (Cold): 0.19 to 0.29 mm (0.0075 to 0.0114 in.) for intake 0.30 to 0.40 mm (0.0118 to 0.0158 in.) for exhaust Record any out-of-specification valve clearance measurements. They will be used later to determine the required replacement valve lifters. Turn the crankshaft 1 revolution (360°) and set the No. 4 the cylinder to the TDC/compression. Check only the valves indicated. Using a feeler gauge, measure the clearance between the valve lifter and camshaft. Valve clearance (Cold): 0.19 to 0.29 mm (0.0075 to 0.0114 in.) for intake 0.30 to 0.40 mm (0.0118 to 0.0158 in.) for exhaust Record any out-of-specification valve clearance measurements. They will be used later to determine the required replacement valve lifters.
  14. ADJUST VALVE CLEARANCE Remove the No. 2 camshaft (See «REPLACEMENT»(ref-224768-S42025741472006031100000) ). Remove the camshaft (See «REPLACEMENT»(ref-224768-S42025741472006031100000) ). Remove the valve lifters. Using a micrometer, measure the thickness of the removed valve lifters. Calculate the thickness of a new lifter so that the valve clearance comes within the specified values. VALVE CLEARANCE A Thickness of new lifter B Thickness of used lifter C Measured valve clearance Valve clearance: Intake A = B + (C - 0.24 mm (0.0095 in.)) Exhaust A = B + (C - 0.35 mm (0.0138 in.)) Example (Intake): Measured intake valve clearance = 0.40 mm (0.0158 in.) 0.40 mm (0.0158 in.) - 0.24 mm (0.0095 in.) = 0.16 mm (0.0063 in.) (Measured - Specification = Excess clearance) Used lifter measurement = 5.250 mm (0.2067 in.) 0.16 mm (0.0063 in.) + 5.250 mm (0.2067 in.) = 5.410 mm (0.2130 in.) (Excess clearance + Used lifter = Ideal new lifter) Closest new lifter = 5.410 mm (0.2130 in.) Select No. 42 lifter HINT: Select a new lifter with a thickness as close to the calculated values as possible. Lifters are available in 35 sizes in increments of 0.020 mm (0.0008 in.), from 5.060 mm (0.1992 in.) to 5.740 mm (0.2260 in.). Refer to New Lifter Thickness, see "Valve Lifter Selection Chart (Intake)" & " Valve Lifter Selection Chart (Exhaust)". Install the camshaft (See «REPLACEMENT»(ref-224768-S42025741472006031100000) ). Install the No. 2 camshaft (See «REPLACEMENT»(ref-224768-S42025741472006031100000) ).
  15. INSTALL CYLINDER HEAD COVER SUB-ASSY (See «REPLACEMENT»(ref-224768-S11554739982006031100000) )
  16. INSTALL IGNITION COIL ASSY (See «IGNITION COIL ASSY (2AZ-FE)»(ref-224772-S39140322102006031100000) )
  17. INSTALL ENGINE MOUNTING INSULATOR RH (See «REPLACEMENT»(ref-224768-S11554739982006031100000) )
  18. INSTALL VANE PUMP ASSY (See «OVERHAUL»(ref-224784-S39497530042006031100000) ) SST 09249-63010
  19. INSTALL FAN AND GENERATOR V BELT (See «FAN AND GENERATOR V BELT (2AZ-FE)»(ref-224768-S30284662712006031100000) ) SST 09249-63010
  20. CONNECT BATTERY NEGATIVE TERMINAL Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
  21. CHECK FOR ENGINE OIL LEAKAGE
  22. INSTALL ENGINE COVER SUB-ASSY NO. 1 (See «REPLACEMENT»(ref-224768-S11554739982006031100000) )
  23. INSTALL FRONT FENDER APRON SEAL RH (See «REPLACEMENT»(ref-224772-S06982846242006031100000) )
  24. INSTALL ENGINE UNDER COVER LH
  25. INSTALL ENGINE UNDER COVER RH
  26. INSTALL FRONT WHEEL RH Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)

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Scheme 14: COMPONENTS

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