The 2012 Chevy Traverse timing chain replacement is a complex and costly procedure. The average cost ranges from $2,183 to $2,522, including parts and labor. This job typically requires dropping the engine cradle and transmission, making it a time-consuming process.

Timing Chain System

The Chevy Traverse uses a three-chain system:

  • Primary chain
  • Left bank secondary chain
  • Right bank secondary chain

These chains connect the crankshaft to the camshafts, ensuring proper engine timing.

Replacement Process

1. Disconnect the battery

2. Remove the air intake tube

3. Take off the vacuum pump

4. Remove the EVAP tube

5. Disconnect electrical connections

6. Lower the engine cradle

7. Remove valve covers and front engine cover

8. Replace all timing chains, tensioners, and guides

9. Reassemble in reverse order

Proper timing is crucial during reassembly to avoid engine damage.

Cost Factors

The high cost is due to:

  • Extensive labor (16-20 hours)
  • Expensive parts (chains, tensioners, guides)
  • Potential need for special tools

Prevention

To extend timing chain life:

  • Use high-quality oil
  • Change oil regularly
  • Avoid engine overheating

Professional vs. DIY

Due to the complexity, this job is best left to professionals. DIY attempts can lead to costly mistakes and potential engine damage.

FAQs About 2012 Chevy Traverse Timing Chain Replacement

    • How often should the timing chain be replaced?
      There's no set interval, but issues may arise after 150,000 miles.
    • What are signs of a failing timing chain?
      Engine misfires, rattling noise, check engine light, and metal shavings in oil.
    • Can I drive with a bad timing chain?
      It's not recommended as it can cause severe engine damage if it fails completely.