does the 3.4 L V6 DOHC engine need the timing chain replaced at 80,000 miles?

Asked by Feb 02, 2007 at 10:21 AM about the 1995 Chevrolet Monte Carlo

Question type: Maintenance & Repair

I am looking to buy a 1995 Monte Carlo with 77,000 miles for my daughter. I want to make sure the car is reliable and safe. I heard that the 3.4 L V6 engine needed the timing chain replaced at 80,000 and I didnt want to have to deal with that.  Can anyone give me input into whether this is true and if this is a good engine?  

3 Answers


As you may know, timing chains stretch over time, and a stretched chain can cause minor problems, including noise (usually rattling near the front of the engine), poor fuel economy, and rough idling. If a timing chain breaks, it will cause much more serious problems, bringing the engine to an immediate halt and possibly destroying it. To keep your daughter safe, you'll want to make sure the timing chain in that car has been or will soon be replaced. You may be okay though, since many manufacturers actually recommend at least inspecting the timing belt at 60,000 miles, not 80,000. The owner of the car or a good mechanic should be able to tell you whether the timing chain in that car has already been replaced. Best of luck!

You use the term timing belt and timing chain the same however these are NOT the same please make sure you are referencing correctly for people who do not know the difference


The 3.4L engine has a Timing Belt and Recommended replacement is at 60,000 miles,under Normal driving conditions and the 3.1L engine has a Timing Chain and should last the life of the engine,just keep the oil changed regularly! I see this is an old post,but may help others in the future....

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