When is a serpentine belt supposed to be replaced?
2004 Toyota Corolla -- told I need to replace the serpentine belt and timing belt and it should have been done at 100,000 miles. It is now 145,00 -- should I be worried about this?
2004 Corolla is timing chain. But even tho not a belt I still advise to replace it as your maintenance schedule states.
Don't worry but do make plans to have replacements put on. Better to plan a fix then to get stranded and have to fix them. IMO anyways.
Change it now, better late than sorry.
I was looking at a Corolla maintenace schedule and every 15k miles it said to inspect belts. There's no set schedule to change them. However.... I've noticed on my cars the serpentine belt can look really good on the outside and have cracks all throughout the rib areas. Belts are fairly cheap and there's usually routing diagram in the engine compartment.
On the serpentine belt part of the question, look at the tentioner gauge. If it's at or near the end of it's travel it's time for a new belt. Also, if it's "chunking" replace it. Chunking means that a chunk or chunks of the ribbed side of the belt are missing. Minor cracks, as mentioned above are normal and don't mean you have to change the belt. A good quality belt will go 50 to 60 thousand miles no problem. HTH. -Jim
We have a 2006 Corolla with 74,000 miles on it,gone thru 3 serpentine belts last one they charged me for they said I don't drive it enough.5
I had to do mine around 100,000 miles, and it definitely needed it. Here's the video of the whole process, I hope it helps you or someone else. https://youtu.be/ELh6EH32_80
Looking for a Used Corolla in your area?
CarGurus has 64,179 nationwide Corolla listings starting at $1,595.
Search Toyota Corolla Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Toyota Corolla Experts