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Replacement Interval Guide Toyota recommend: 1993: Replacement every 60,000 miles or 5 years, whichever occurs first. 1994 : Replacement every 63,000 miles or 5 years, whichever occurs first. 1996 : Replacement every 60,000 miles or 5 years, whichever occurs first (Colorado only). The previous use and service history of the vehicle must always be taken into account. Check For Engine Damage Check For Engine Damage Removal Removal 1. Remove timing belt cover [1]. 2. Turn crankshaft clockwise until timing marks aligned [2]. 3. Ensure timing marks aligned: 1KZ-T/TE: [3]. 1HD-FT/1HD-FTE: [4]. 4. Evenly slacken and remove automatic tensioner unit bolts [5]. 5. Remove: Automatic tensioner unit [6]. Tensioner pulley bolt [7]. Tensioner pulley [8]. Timing belt. Installation Installation 1. 2. 3. 4. 5. 6. 7. Check tensioner pulley for smooth operation [8]. Replace if necessary. Remove dust cover. Check tensioner body for leakage or damage [6]. Check pushrod protrusion is 9,0-9,8 mm [9]. Check pushrod does not move when pushed against a firm surface. If pushrod moves: Replace automatic tensioner unit. Slowly compress pushrod into tensioner body until holes aligned. Use press. Retain pushrod with 1,5 mm Allen key through hole in tensioner body [10]. Fit dust cover. Ensure timing marks aligned [2]. Ensure timing marks aligned: 1KZ-T/TE: [3]. 1HD-FT/1HD-FTE: [4]. 8. 9. 10. 11. 12. 13. 14. 15. 16. Fit timing belt in anti-clockwise direction, starting at lower sprocket. Ensure belt is taut between sprockets. Fit tensioner pulley [8]. Tighten bolt to 34 Nm [7]. Push tensioner pulley against belt. Install automatic tensioner unit [6]. Tighten bolts evenly to 13 Nm [5]. Remove Allen key from tensioner body to release pushrod. Turn crankshaft two turns clockwise. Ensure timing marks aligned [2] & [3] or [4]. If not: Repeat installation and tensioning procedures. Install components in reverse order of removal. Reset timing belt replacement warning lamp as follows: -Runner/Landcruiser: Remove grommet in speedometer housing. Depress switch using a thin screwdriver [11]. 17. Colorado: Remove speedometer housing. Remove screw indicated and insert in alternative location [12]. 18. Amazon: Lamp illuminates at 90,000 miles. Return vehicle to dealer.

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Removal Removal 1. Raise and support front of vehicle. 2. Support engine. 3. Remove: RH front wheel. Inner wing panel. Engine mounting and bracket. Auxiliary drive belt(s). Cylinder head cover. Timing belt upper cover [1] . 4. Turn crankshaft clockwise to TDC on No.1 cylinder. Ensure crankshaft pulley timing mark aligned [2] . 5. Check hole in camshaft sprocket aligned with mark on camshaft bearing cap [3] . 6. If not: Turn crankshaft one turn clockwise. 7. Remove: Crankshaft pulley bolt [4] . Use tool Nos.09213-14010 & 09330-00021. Crankshaft pulley [5] . Use tool No.09213-31021. Timing belt lower cover [6] . 8. Temporarily fit crankshaft pulley bolt [4] . 9. Ensure timing marks aligned [3] & [7] . 10. Slacken tensioner bolt [8] . Move tensioner away from belt and lightly tighten bolt. 11. Remove: Timing belt. Tensioner pulley and spring [9] & [10] .

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The above application is prone to the timing belt teeth lifting off the belt in service due to operating the belt with insufficient tension. The following instructions have been produced to assist in the fitting of your new timing belt, giving simple hints and tips, which should help avoid problems caused by adopting an incorrect fitting / adjustment procedure. For instructions for the removal of the engine components required to gain access to the timing belt, please refer to the vehicle workshop manual. Note:- Incorrect tension of the timing belt, can lead to the teeth lifting from the belt, resulting in belt failure, and subsequent major engine damage. Special Tools Required: 1) Timing belt tension gauge, (accurately calibrated), Part No’s: either Rover KM4088 or Borroughs BT33-86F 2) Two 8mm Allen keys (for tensioner adjustment) 3) Short length of round steel bar (for flywheel timing location) Fitting Procedure: 1) Before the old timing belt is removed, the crankshaft should be rotated clockwise to align the timing mark on the crankshaft pulley with the edge of the metal bracket, which forms part of the lower timing belt cover (See I). To lock the crankshaft in this position, which is 90 degrees before top dead centre, insert a steel rod of the correct diameter into the hole on the gearbox / engine adaptor plate, positioned on the front facing lower edge of the cylinder block (See diagram B), and locate with the corresponding hole in the flywheel. The timing marks on the camshaft gears should now be aligned at the 3 o’clock position for the left hand gear, and the 9 o’clock position for the right hand gear (See II). Undo the timing belt tensioner Allen bolt and remove tensioner. The old timing belt can now be removed (See III). Check the condition of the geared teeth on the camshaft, crankshaft, and water pump drives. Check the tensioner, water pump, and idler bearings. Fit the new timing belt over the drive gears, ensuring the timing marks set at ‘I’and‘II’ have not moved. Refit the tensioner using the anti-slip washer ‘IV’ supplied with the new timing belt. The anti-slip washer should be fitted between the tensioner and the backplate, with the abrasive side facing towards the tensioner. Note: A new anti-slip washer must always be fitted. Non modified vehicles will not have the anti-slip washer fitted. Rotate the tensioner, using the Allen key drive to set the initial pre-load tension, sufficient to prevent the timing belt from slipping over the toothed drives, then tighten the Allen bolt to 45Nm.

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NOTICE: Always turn the crankshaft clockwise. (c) Check that the timing marks of the camshaft timing pul- leys and No.3 timing belt cover are aligned. If not, turn the crankshaft pulley 1 revolution (360°). (d) Remove the crankshaft pulley bolt. IF REUSING TIMING BELT, CHECK INSTALLATION MARKS ON TIMING BELT Check that there are 3 installation marks and front mark on the timing belt. If the installation and front marks have disappeared, before re- moving the timing belt, place 3 new installation marks on the timing belt to match the timing marks of the timing pulleys, and place a new front mark on the timing belt. 18. 19. REMOVE TIMING BELT TENSIONER Alternately loosen the 2 bolts, and remove them, the belt ten- sioner and dust boot. 20. REMOVE TIMING BELT 21. (a) REMOVE RH CAMSHAFT TIMING PULLEY Using SST, loosen the pulley bolt. SST 09960–10010 (09962–01000, 09963–01000) Remove the bolt, knock pin and timing pulley. (b) 22. (a) REMOVE LH CAMSHAFT TIMING PULLEY Using SST, loosen the pulley bolt. SST 09960–10010 (09962–01000, 09963–01000) Remove the bolt, knock pin and timing pulley. (b) 23. REMOVE NO.2 IDLER PULLEY Remove the bolt and idler pulley. 24. REMOVE NO.1 IDLER PULLEY Using a 10 mm hexagon wrench, remove the pivot bolt, idler pulley and plate washer. 25. REMOVE CRANKSHAFT TIMING PULLEY Remove the timing pulley. HINT: If the pulley cannot be removed by hand, use SST and a service bolt to remove the timing pulley. SST 09950–50011 (09951–05010, 09952–05010, 09953–05020, 09954–05011)

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NOTE: GM does not provide a timing mark diagram for belt installation without using the special tool(s) listed below. This article has been revised according to the information included in bulletin No: 47-61-34. CAMSHAFT TIMING – REVISED SERVICE PROCEDURE INSTALL OR CONNECT 1. Camshaft sprockets. ^ 1991-93 camshaft sprockets with washers and new locks finger tight ^ 1994-95 camshaft sprockets with taper lock rings finger tight 2. Timing belt in a counterclockwise direction around the sprockets. IMPORTANT: Make sure timing belt teeth are fully engaged with all sprockets. 3. 4. Timing belt tensioner pulley. Tighten: Tensioner pulley bolt to 50 Nm (37 lb ft). If actuator oil has been lost, till the actuator with SAE 5W30 Mobile 1 (or equivalent) synthetic engine oil through the end hole. Fill to bottom of plug hole ONLY when actuator is fully retracted and pin is installed. Rubber end plug to rear of the actuator assembly. Push until flush and snapped into place. Make sure the end plug has sealed against the case. Actuator bushing into side plate. Inspect: Bushings and appropriate holes to make sure they are clean. DO NOT lubricate. Timing belt actuator and actuator side plate. Tighten: Side plate bolt to 27 Nm (20 lb ft). 5. 6. 7. IMPORTANT: Rotate pulley assembly into belt a maximum of 15 Nm to allow engagement of the actuator shaft into the pulley arm socket.