When is a serpentine belt supposed to be replaced?

Asked by Dec 27, 2014 at 05:09 PM about the 2004 Toyota Corolla S

Question type: Maintenance & Repair

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?

11 Answers


2004 Corolla is timing chain. But even tho not a belt I still advise to replace it as your maintenance schedule states.

6 of 6 people found this helpful.

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.

3 of 3 people found this helpful.

Change it now, better late than sorry.

1 of 1 people found this helpful.

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.

1 of 1 people found this helpful.

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

8 of 8 people found this helpful.

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

13 of 13 people found this helpful.

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

30 of 30 people found this helpful.

I heard if you replace the belt, it makes the water pump go out. is that true? just a theory?

2 of 2 people found this helpful.

i replaced mine at 134K and it was working fine when taken out. I think the guy who had it replace 3x is being taken advantage of. easy fix you can do yourself too with just one tool; 19mm wrench or socket and the belt; $25.

3 of 3 people found this helpful.

i have my original drive belt on our 2009 Corolla XLE. I inspected it several times and I hit it with belt dressing every 50,000 miles. It now has 208,000 miles. I don't remember any cracks the last time I checked it which I thought was unusual. So I am assuming the belt dressing is really keeping it in good shape. Go Toyota!!! Go Kevlar!


At 200k you got your money's worth out of that belt. Belts break and when they do you can be stranded or even destroy an engine. Penny wise, pound foolish.

1 of 1 people found this helpful.

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