Question about 1998 Lexus Gs 400

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Adjusting 93 cs300 belt tensioner - 1998 Lexus Gs 400

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Use a tension bar

Posted on Feb 08, 2012

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How do you set the timming on a 95 honda accord


1990–95 4-Cylinder Accord and 1992–95 Prelude
  1. .
  2. Fig. 10: On all engines except VTEC, the belt adjuster arm must be locked in place using one of the lower cover mounting bolts 86803136.gif
    NOTE: There are two belts in this system; the one running to the camshaft pulley is the timing belt. The other, shorter one drives the balance shaft and is referred to as the balancer belt or timing balancer belt. Use a piece of chalk or a marker to place an identifying arrow on the belts. The arrow can identify the direction of rotation or the outer edge of the belts. The belts must be reinstalled so it moves in the same direction. Protect the belts from oil, coolant, etc. It's an even better idea to replace the belts at this point.
  3. Loosen the timing belt adjustment nut. Push on the tensioner to relieve tension from the balancer belt, then tighten the nut. Remove the balancer belt.
  4. On all models except Prelude with VTEC, loosen the lockbolt installed earlier and the adjusting nut. Push on the tensioner to release the timing belt, then tighten the nut. Carefully remove the timing belt. On Prelude VTEC models, remove the timing belt from the pulleys, then remove the bolts securing the auto-tensioner. Remove the auto-tensioner from the engine. To install:
  5. Check the position of the timing marks. The timing pointer must be perfectly aligned with the TDC (white mark) on the flywheel or flex-plate; the camshaft pulley must be aligned so that the word UP is at the top of the pulley and the marks on the edge of the pulley are aligned with the surfaces of the head. Additionally, the face of the front timing balancer pulley has a mark which must be aligned with the notch on the oil pump body. This pulley is the one to the left crank when viewed from the pulley end.
  6. Fit the timing belt over the pulleys and tensioner. On DOHC engines without VTEC, remove the 5mm pin punches from behind the cam pulleys.
  7. Except Prelude VTEC models:
    1. Temporarily install the crank pulley and bolt.
    2. Loosen the tensioner adjusting nut 1 turn, then tighten it. Rotate the crankshaft counterclockwise until the camshaft pulley has moved 3 teeth to create tension on the belt. Loosen the nut again, then tighten it to 33 ft. lbs. (45 Nm). NOTE: Always rotate the crankshaft counterclockwise when viewed from the pulley end. Rotating it clockwise will cause improper adjustment and possible damage.
    3. Tighten the lockbolt installed earlier to lock the timing belt adjuster arm. Remove the crank pulley.
  8. On Prelude VTEC models:
    1. Hold the auto-tensioner with the maintenance bolt facing up. Loosen and remove the bolt. NOTE: Handle the tensioner carefully so the oil inside does not spill or leak. Replenish with clean engine oil if any does leak. Total capacity is 1⁄4 fl. oz. (8 ml).
    2. Clamp the mounting flange of the tensioner in a vise using a cloth or blocks of wood to protect it. Insert a flat blade screwdriver into the maintenance hole. Place the stopper (tool number 14540-P13-003) or an equivalent clamp on the tensioner, then turn the screwdriver clockwise to compress the bottom. Be careful not to damage the threads or the gasket contact surface.
    3. Install the maintenance bolt on the tensioner with a new gasket. Tighten to 6 ft. lbs. (8 Nm).
    4. Make sure no oil is leaking from around the maintenance bolt, then install the tensioner on the engine. Make sure the stopper stays in place and tighten the bolts to 16 ft. lbs. (22 Nm).
    5. Remove the stopper. Fig. 11: On VTEC engines, the tensioner must be compressed before installing it on the engine 86803137.gif
      Fig. 12: Remove the stopper after installing the tensioner on the engine 86803138.gif

  9. Make sure all timing marks are positioned correctly (as described earlier).
  10. Align the rear timing balancer pulley (to the right of the crank pulley) using a 6x100mm bolt or rod. Mark the bolt or rod at a point 2.913 in. (74mm) from the end. Remove the bolt from the maintenance hole on the side of the block; insert the rod into the hole. Align the 74mm mark with the face of the hole. This pin will hold the shaft in place during installation.
  11. Loosen the tensioner adjusting nut and verify that the timing balancer belt adjuster moves freely. Fig. 13: The balancer shaft must be held in position during timing belt installation 86803139.gif

  12. Fit the balancer belt over the pulleys. Remove the bolt or rod from the maintenance hole.
  13. Temporarily install the crank pulley. Rotate the engine one turn counterclockwise, then tighten the tensioner adjusting nut to 33 ft. lbs. (45 Nm). Double check the positions of the timing marks and make sure they still line up. If not remove the belts and repeat the procedures. NOTE: Both belt adjusters are spring-loaded to properly tension the belts. Do not apply any additional pressure to the pulleys or tensioners while performing the adjustment.
  14. Remove the crank pulley. Remove the lockbolt installed earlier on the timing belt adjuster arm. Install the maintenance bolt with a new washer. Tighten it to 22 ft. lbs. (30 Nm).
  15. Install the lower cover, making certain the rubber seals are in place and correctly located. Tighten the retaining bolts to 9 ft. lbs. (12 Nm).
  16. If applicable, raise the lower beam and engine into place. Install the rear bolts for the lower beam. Tighten them to 28 ft. lbs. (39 Nm) on 1990–91 Accords, 37 ft. lbs. (50 Nm) on 1992–95 Accords and 43 ft. lbs. (60 Nm) on 1992–95 Preludes.
  17. Install the key on the crankshaft and install the crankshaft pulley. Apply oil to the bolt threads and tighten it to the following:
    • 1990 Accord: 166 ft. lbs. (230 Nm)
    • 1991–93 Accord: 159 ft. lbs. (220 Nm)
    • 1992–93 Prelude: 159 ft. lbs. (220 Nm)
    • 1994–95 Accord and Prelude: 181 ft. lbs. (245 Nm)
  18. Install the dipstick tube and dipstick.
  19. Install the side engine mount (refer to engine removal and installation for procedures). Remove the jack from under the engine.
  20. Install the upper belt cover.
  21. Install the side engine mount support bracket if it was removed.
  22. Install the valve cover.
  23. Install the compressor and/or alternator drive belt; adjust the tension.
  24. Route the wiring harness over the valve cover and connect the wiring to the alternator.
  25. Install the power steering pump and install the belt.
  26. Reinstall the cruise control actuator. Connect the vacuum hose and the electrical connector.
  27. Double check all installation items, paying particular attention to loose hoses or hanging wires, untightened nuts, poor routing of hoses and wires (too tight or rubbing) and tools left in the engine area.
  28. Refill the engine coolant.
  29. Install the splash shield under the engine.
  30. Connect the negative battery cable.
  31. Start the engine, allowing it to idle. Check for any signs of leakage or any sound of the belts rubbing or binding.

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I'm going to assume you have either a four cyl or an inline 6cyl...The tension is provided at the power steering pump. Loosen the fasteners and look underneath. There is a "jack bolt" that is just under the pump that faces the left fender. Screwing it in or out moves the pump and adjusts belt tension.

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I am not able to loosen the belt as I cannot get the belt tensioner to do anything, I am turning the bolt but it doesn't move. What is the device that the tensioner is hidden behind?


Depends on the belt. The '93 has 3 belts. The alternator has a tensioner on the alternator mount. The PS pump has a tensioner. the a/c belt has an idler that is adjustable.

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I need to change the alternator belt on my 93 mitz...3000 GT sl. I have no turbo. I do have manual tranny and standard air condition, and two wheel drive. How do I adjust the tension? Thanks for any help...


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1994 saab 900 se replacing timing belt


STEP 1 Remove Air Filter. STEP 2 Loosen the bolts securing the crankshaft pulley. Remove the load from the belt tensioner by turning the belt tensioner pulley locking bolt forward in the car using a 15 mm wrench. Remove the belt from the coolant pump pulley and slowly release the belt tensioner. STEP 3 Remove the belt tensioner and remove the steering pump pulley STEP 4 Remove the water pump pulley use the engine bracket to pry against. STEP 5 Remove the timing cover and Remove the right-hand front wheel and the cover in the wheel housing. STEP 6 Remove the crankshaft pulley (undo the six bolts but do not remove the centre bolt). STEP 7 Place the engine top dead center and Zero the engine. The markings on the camshaft sprockets and timing cover should be in alignment as also should the marking on the crankshaft. Use locking tools 83 95 006 and KM-800-2 for the camshaft sprockets and locking tool KM-800-10 for the crankshaft (These tools can be purchased from Saab (18774177222) or from Baum Tools). STEP 8 Before removing the toothed belt mark its direction of rotation . To facilitate refitting the belt can be marked at both the camshaft marking and the crankshaft marking. STE9cc7b85.jpgP 9
STEP 10 Fit the toothed belt according to the marked direction of rotation. Use setting tool 83 95 006 to keep the belt in place and adjust the tensioning roller loosely by hand to prevent the belt from jumping off. Adjust counterclockwise. Fit a section of the toothed belt and fit tool 83 93 985 to measure the belt tension. Loosely tighten the centre bolts of the adjusting rollers. Adjust the lower adjusting roller counter clockwise to a belt tension of 275-300 Nm. Turning torque 30 lb.ft ft ******The adjustment of the belt tension is for preparation ONLY and must not be used as a check when the belt adjusted for the final time! STEP 11 Turn the engine over two revolutions until just before the zero mark and place the locking tool on the crankshaft. Carefully turn the crankshaft in the direction of engine rotation until the arm rests against the coolant pump's flange and then tighten the arm. Fit setting tool 8395006 and check that the markings on the camshaft sprockets are aligned with the markings in the tool. ********Check that the A marking is approximately 2mm above B marking. If the distance is less readjustment is necessary. STEP 12 Fit the crankshaft pulley and Tighten to a torque of 15 foot lbs. STEP 13 Reinstall the inner wheel cover and front right wheel.
STEP 14 Reinstall Timing Cover.
STEP 15 Reinstall the water pump pulley use the engine bracket for leverage. STEP 16 Reinstall the power steering pulley and tighten to 6 foot lbs. STEP 17 Reinstall the belt tensioner and tighten to 30 foot lbs. STEP 18 Remove the belt tensioner load/pressure by turning the belt tensioner pulley locking bolt forwards in the car using a 15 mm wrench. Install the belt on the coolant pump pulley. Carefully release the belt tensioner. STEP 19 Reinstall the Air Cleaner and hoses that accompany Release the belt tension and remove the toothed belt.

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