Supra Liftback L6-2997cc 3.0L DOHC MFI Twin-Turbo (1997)
Timing Belt Tensioner: Testing and Inspection
1. Check the turning smoothness of the tensioner pulley.
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If necessary, replace the tensioner.
2. Check the turning smoothness of the tensioner arm.
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If necessary, replace the tensioner.
3. Visually check tensioner body for oil leakage.
NOTE: If there is only the faintest trace of oil on the seal on the push rod side, the tensioner is all right.
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If leakage is found, replace tensioner.
4. Hold the tensioner with both hands and push the push rod strongly against the floor or wall to check that it doesn't move.
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If the push rod moves, replace the tensioner.
5. Measure the protrusion of the push rod from the housing end.
Protrusion: 8.0-8.8 mm (0.315-0.346 inch).
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If the protrusion is not as specified, replace the tensioner.
