Timing Chain Tensioner: Installation

2021 Ford Edge SE, 4WDSECTION Installation
WARNING: This page is about a different car, the 2019 Ford F-350 Super Duty and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

LH timing chain tensioner 

  1. If not already pinned, using a small pick, carefully push the LH tensioner rack pawl retainer away from the rack pawl and compress the tensioner plunger and rack using a vise.. Use the General Equipment: Vise
    GFD405866Courtesy of FORD MOTOR COMPANY
    • Install a retaining clip into the tensioner to hold the rack pawl and plunger in the seated position for tensioner installation.

    • Remove the LH tensioner from the vise.

    GFD405867Courtesy of FORD MOTOR COMPANY
  2. Install the LH timing chain tensioner arm.
    GFD405870Courtesy of FORD MOTOR COMPANY
  3. Install the LH primary timing chain tensioner and the bolts.

    Torque: Stage 1: 89 lb.in (10 Nm) | Stage 2: 45 deg.

    GFD405871Courtesy of FORD MOTOR COMPANY
  4. Remove the retaining clip from the LH timing chain tensioner.
    GFD405873Courtesy of FORD MOTOR COMPANY

    RH timing chain tensioner 

  5. Using a small pick, carefully push the RH tensioner rack pawl retainer away from the rack pawl and compress the tensioner plunger and rack using a vise.. Use the General Equipment: Vise
    GFD405874Courtesy of FORD MOTOR COMPANY
    • Install a retaining clip into the tensioner to hold the rack pawl and plunger in the seated position for tensioner installation.

    • Remove the RH tensioner from the vise.

    GFD405867Courtesy of FORD MOTOR COMPANY
  6. Position the RH timing chain tensioner arm on the dowel pin and install the RH timing chain tensioner and the bolts.

    Torque: Stage 1: 89 lb.in (10 Nm) | Stage 2: 45 deg.

    GFD405876Courtesy of FORD MOTOR COMPANY
  7. Remove the retaining clip from the RH timing chain tensioner.
    GFD405877Courtesy of FORD MOTOR COMPANY

    RH and LH timing chain tensioners 

  8. Install the engine front cover. Refer to: Engine Front Cover .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.