Inspection-Timing Chain

2008 Jeep Compass Limited, FWD, StandardSECTION Inspection-Timing Chain
Fig 1: Checking Timing Chain Stretch
GC0055132Courtesy of CHRYSLER LLC

Inspect timing chain for stretching prior to removal.

  1. Rotate engine while watching timing chain tensioner plunger. When the plunger reaches its maximum travel stop rotating engine.
  2. Measure the distance from the tensioner body and the edge of the chain guide as shown in illustration.
  3. If the distance is greater than 20.5 mm (0.81 in.) inspect guide shoes for excessive wear.
  4. If guides are okay, replace timing chain.
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:

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