HDJ100 / 1HDFTE alternator and aircon belts

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This shows how to change the aircon and alternator belts on a 1HDFTE engine. Alternator is quite difficult to figure out so thought I'd post a video after finally working it out for myself!

Mark Powell

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Nice video Mark, shows pretty clearly where everything is.
The alternator belt adjusting job is not too bad if you have the appropriate tools.
It is easiest done from underneath the vehicle.

Removing the bash plate: 8 12mm bolts. (for novices)
Remove the 2 outer 12mm bolts from the front of the plate.
Loosen the centre front bolt several turns.
Remove the two side bolts from the plate.
Remove the two outer bolts from the rear of the plate.
Carefully remove the centre rear bolt (the recessed one) while supporting the weight of the plate, which should be now resting on the top of the second bash plate.
While supporting the plate, finish undoing the centre front bolt, then slide the plate forward a few mm, and lower the plate to the ground.

Adjusting the alternator belts:
Use a 14mm ring spanner to loosen the alternator pivot bolt half a turn.
Use a 3/8" drive 12 mm socket with a 50mm extension to loosen the top locking bolt half a turn. Alternatively, an 12mm curved (interference) ring spanner works)
Use a 12mm ratchet ring spanner on the adjusting bolt.
When belts are tensioned correctly, tighten the pivot bolt, then tighten the top locking bolt, then tighten the adjusting bolt so it doesn't back out and get lost.
The whole job is about 45 leisurely minutes. Enjoy 🙂

Fossilphill