Toyota 90916-02499 Belt, V

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A single auxiliary drivebelt is fitted at the right-hand side of the engine. The length of the drivebelt varies according to whether power steering or air conditioning is fitted. A manual tensioner is fitted, so the drivebelt tension should be checked at regular intervals and particularly after fitting a new drivebelt. Due to their function and material makeup, drivebelts are prone to failure after a long period of time, and should therefore be inspected regularly. The drivebelt is located very close to the right-hand side of the engine compartment, and better access can be gained by jacking up the right-hand front wheel and removing the engine right-hand lower cover panel. With the engine stopped, inspect the full length of the drivebelt for cracks and separation of the belt plies. Twist the belt between the pulleys to check its condition. Also check for fraying and glazing which gives the belt a shiny appearance. Check the pulleys for nicks, cracks, distortion, and corrosion. Small cracks in the belt ribs are not usually serious, but look closely to see whether the crack has extended into the belt plies. If the belt is in any way suspect or is known to have seen long service, renew it. Check the drivebelt tension by pressing on the belt at a point midway on the longest run between two pulleys. Compare the deflection noted with the figures quoted in the Specifications. If the drivebelt appears excessively taut or slack, adjust the belt tension. If the belt appears not to be too slack but has actually been slipping in service, check the belt for any sign of external contamination and cure the source of the leak before fitting a new belt.

To install a Drive Belt, have a wrench, socket set, pry bar, and new belt on hand. Loosen the tensioner pulley, install a new belt using the correct diagram for routing, apply tension with the bar, and tighten the pulley. Check alignment and ensure the belt is seated properly on all pulleys.

The first step to refit the alternator drivebelt is to feed it onto the pulleys, ensuring it is seated properly.

The final step is to double-check the belt's alignment and ensure it is properly seated on all the pulleys.

If a new belt has been fitted, you should recheck the tension after a month or 1000 kilometers.

If the drivebelt appears not to be too slack but has actually been slipping in service, the belt should be checked for any sign of external contamination and the source of the leak should be cured before fitting a new belt.