Quote Originally Posted by blacksilver323 View Post
Hi mijoeldotor, I double checked my user's manual for my 2014 Trailblazer 4X2 AT, the following are the recommendations. The previous I have mentioned above are my cross reference from other countries' handbooks for the same car variant since I think the recommendation of our dealerships here as also indicated in our user's manual are too early. Nevertheless, please refer to below:

1) Timing belt: 60,000 km or 3 years
2) Automatic transmission fluid: 80,000 km or 4 years (40,000 km for severe operations)

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Thank you!