What people keep running into with timing belt
Complaints tagged timing belt, each raised by more than one person. One-off posts are not included.
6 recurring problems · 208 people · 6 forums we read
Raised more than once
Most people first.
- 152Is it worth fixing an old car when repairs cost more than it's worth?Putting thousands of dollars into a high-mileage vehicle whose market value is nearly the same leaves owners torn over whether the investment makes financial sense. It forces them to weigh whether upcoming major fixes are truly mandatory right now or if they are just being pushed into expensive preemptive work they cannot easily afford.
- 28Why does my car run terribly and stutter after a long drive?Extended driving triggers severe engine sluggishness, unusual valve train noises, and random cylinder misfire codes. These sudden performance drops cause RPM stuttering and electrical warnings that leave drivers stranded and unable to reach a diagnostic scanner.
- 12Did my timing belt slip or did I mess up the install?An engine that idles fine briefly before running rough, dying, or refusing to rev past 2,000 rpm points directly to valve timing misalignment from the recent replacement rather than a slipped belt. This prevents the car from running reliably despite new components, as incorrect timing creates unburned fuel issues, strong petrol smells, and misfires.
- 10Camshaft timing looks off by a tooth but engine ran fineCamshaft timing marks can look misaligned or off by a single tooth depending on the visual angle and chain link placement, leaving mechanics unsure whether to leave the setup alone or adjust it. This uncertainty makes it difficult to confirm if the phaser placement and chain alignment are correct without clear, multi-angle reference photos.
- 4How to check if a used car timing belt was actually changed?Dealers often claim a timing belt has been replaced without providing any invoices or proof, and mechanics may spot unreplaced parts like an old water pump. Because an immediate replacement is too expensive and the car is needed for daily work, owners are left trying to inspect the belt's wear themselves to see if it can safely survive another year.
- 2Can you tell if a car belt is worn from one photo?Visual inspection from a single photo cannot determine the structural condition or internal wear of an older vehicle's belt. Without knowing the actual service history or being able to feel the depth of the grooves in person, buyers are left guessing whether surface marks are superficial or indicate an immediate risk of failure.
Comes up alongside
Topics that keep appearing on the same problems — not topics with similar names.