How to Replace a Serpentine Belt on a Discovery II

Written by jennifer williams Google
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How to Replace a Serpentine Belt on a Discovery II
Changing a serpentine belt is a fairly simple task. (Auto Engine image by Andrew Breeden from

Landrover's Discovery II sport-utility vehicle uses the serpentine belt, also called the multi-accessory drive belt, to control all its engine accessories, i.e., the power steering, air conditioner compressor, water pump and alternator. Located at the front of the crankshaft, the serpentine belt winds around the pulleys connected to the various accessories and ultimately around a tensioner pulley that keeps the belt at the correct contact tension so that all the engine accessories engage properly. Changing the serpentine belt on a Discovery II is a fairly simple do-it-yourself project that requires the proper-sized wrench or socket set. Professionals recommend examining the serpentine belt on the Discovery II for fraying, cracking and missing chunks twice per year or every 25,000 miles.

Skill level:
Moderately Easy

Things you need

  • Discovery II serpentine belt routing diagram
  • Wrench and socket set

Show MoreHide


  1. 1

    Check to ensure the Discovery II's engine is cold, then make sure the SUV is in park, the ignition is in the "off" position and the key is removed from the ignition to prevent any possibility of the engine engaging during the serpentine belt replacement.

  2. 2

    Open the bonnet and locate the serpentine belt routing diagram sticker on the side of the engine casing, which is present to ensure the proper installation of the new belt. Study it for a moment before removing the existing belt, as it is essential the new belt be installed exactly as the diagram indicates.

  3. 3

    Find the tensioner pulley, the main pulley that controls the serpentine belt, and fit a 1/2-inch socket wrench over the self tensioner on the outside of the pulley.

  4. 4

    Pull the wrench to the left to move the pulley forward, which loosens the belt, then remove the belt.

  5. 5

    Compare the old serpentine belt with the new replacement belt for length, width and number of grooves on the belt's underside to be certain the replacement belt is the right part for the Discovery II.

  6. 6

    Fit the new belt onto each pulley according to the serpentine belt routing diagram on the Discovery II's manufacturer sticker. Fit the new belt on to the tensioner pulley last, again applying pressure on the pulley's self-tensioner with the 1/2-inch socket wrench to loosen the pulley.

  7. 7

    Release the pressure on the self tensioner and allow the tensioner pulley to ease back into place, thereby tightening the new serpentine belt with the appropriate tension.

  8. 8

    Remove the wrench and close the bonnet of the Landrover Discovery II.

Tips and warnings

  • If the serpentine belt routing diagram on the Discovery II is torn or blackened, or is for any reason unreadable, use a pad and pen and draw a rough picture of exactly how the existing belt is routed through the various engine accessory pulleys prior to removing it.

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