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Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 15555
Experience:  12 years at a Ford/Lincoln Mercury and Jaguar dealer as technician and shop foreman.
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how to change a serpentine belt on a jaguar x type

Customer Question

how to change a serpentine belt on a jaguar x type
Submitted: 8 years ago.
Category: Jaguar
Expert:  alienblood replied 8 years ago.
You'll need a short 16mm socket and a long-handled ratchet, or you can buy a tool designed specifically for automatic serpentine belt tensioners. Connect the socket (or the belt tool) to the tensioner, and rotate it to release tension on the belt. Remove the belt from the alternator, paying special attention to the belt's routing.

The new belt goes on the same way the old one comes off.

Hope that helps. =)

You may have a 3/8" square hole instead of a 16mm nut to attach the tool to. If that's the case, then you can just use a long-handled 3/8" drive ratchet.
Expert:  Richard replied 8 years ago.

Hello and welcome to


Your question was sent over to the Jag category so I will be taking over. You will need to use a 3/8" drive ratchet or belt tool to release the tensioner from the belt. The belt can be a pain to replace since there is not much room. The best way to do it is from underneath removing the wheel arch cover. Once the tensioner is released the belt will need to be twisted vertically and slide up and over the tensioner or you can loosen the 13mm bolt holding the tensioner to remove the belt.. Install it in the reverse of the removal.