timing belt

people in the know understand that this timing belt thing on the v8... the benefits far outweigh the negatives. the $1400 cost at the dealership (it's again more than the belt you should be replacing if you're a good steward of your car) is nothing.

gotta admit though i replaced mine at 90K, but the belt was actually 7 years old. didn't know, i know better now. :D

dude i'm gonna be dumping $1100 + 9.1% sales tax on an all too common seat belt buckle triggering airbag light issue on my 911. what do i get out of it? no more airbag warning light. that's it. THIS has grounds for a bit of whining (pun intended).

Yeah I agree totally. I just had to pay for a $43,000 overhaul on one of my jet's engines. It ran fine, but I thought it needed it.

Yes that's sarcastic.

The question is when to replace it. I don't think anyone has complained about the price. If you want to be safe, you can just buy a new car before your warranty goes out. You generally do repairs when they are needed. You do preventative maintenance at intervals or when it's makes sense.

So to answer the question, it looks like around 100k / 5 years is time for the timing belt. I had mine inspected at 100k and 7 years and the belt didn't show any cracks or deteriorating.
 
Yeah I agree totally. I just had to pay for a $43,000 overhaul on one of my jet's engines. It ran fine, but I thought it needed it.

Yes that's sarcastic.

The question is when to replace it. I don't think anyone has complained about the price. If you want to be safe, you can just buy a new car before your warranty goes out. You generally do repairs when they are needed. You do preventative maintenance at intervals or when it's makes sense.

So to answer the question, it looks like around 100k / 5 years is time for the timing belt. I had mine inspected at 100k and 7 years and the belt didn't show any cracks or deteriorating.

why make it more complicated than it is? i don't get it.

it's in the manual. the thing written up by toyota engineers.

check it out guys.
 
If you don't change the belt at the recommended intervals you risk it breaking. There may or may not be damage to the engine. You won't actually know until it happens. Nor is there any warning. This happened to an older car I owned. I won't let that happen again. :redbrick:

<O:p</O:p
Replacing the timing belt minimizes risk of failure at an inopportune time. IMO changing the belt every 90-100k versus replacing major engine components far outweighs the risks of not replacing it. Maintenance is just part of the cost of owning your own vehicle.


If you don't want to maintain your vehicle...there is always public transit. :lmao:
 
So to answer the question, it looks like around 100k / 5 years is time for the timing belt. I had mine inspected at 100k and 7 years and the belt didn't show any cracks or deteriorating.

I have a VW with an interference engine. The timing belt used on this engine uses a tensioning roller. When the timing belt on this engine fails, many times it is due to the failure of the bearings in this roller. The roller seizes up, stops spinning which causes a timing belt failure.

I have not checked the 4Runner V8s timing belt setup. If the V8 engine also uses a tensioning roller one would think that a timing belt failure in this engine could also be caused by the failure of it's roller as well. If that is indeed the case, simply checking the condition of the timing belt itself is not nearly enough to prevent belt failure.

BTW, the last time the timing belt was replaced on my VW the belt was in PERFECT condition. The tensioning roller on the other hand was VERY hard to spin. It's bearings were more than starting to fail. Had that happened the engine would be a nice boat anchor right now. I replace the timing belt & tensioning roller based on age not miles since this vehicle is a low mileage, weekend driver. I plan on doing the same thing with my 4Runner since it is no where near the recommended mileage (at 34K miles) for a timing belt change.
 
So to answer the question, it looks like around 100k / 5 years is time for the timing belt. I had mine inspected at 100k and 7 years and the belt didn't show any cracks or deteriorating.

Uhm, officially Toyota says 90K/72 months. An owner's manual is such a terrible thing to waste.

Are you sure they didn't inspect your serpentine belt? By the time you take off enough parts to physically see the timing belt, you're half way to replacing it. Since the labor alone for the t-belt runs $500-700, that would be one expensive inspection.

-Brent
 
I think that is bad advice. I have always been told the 4.7L is an interference motor and will cause all hell to break loose when the timing belt breaks.

Yup. If the timing belt breaks, then the pistons and valves try to occupy the same space at the same time. As wbwatson says, the result is very expensive to fix.

Just get the timing belt replaced. You won't have to do it again for another 80,000 miles or so.
 
I'm not happy about it now...but hindsight...

They inspected the entire vehicle. They recommended and replaced the accessory belt. I specifically asked about the timing belt, and the mech who owns an 03 v8 said it didn't need it.

I wasn't sure if the previous owner had it done already (I bought it at 99k). Didn't want to spend the money if Toyota didn't even recommend it, but as I can't find any records of the timing belt replacement, I'll end up doing it before it gets cold.
 
I found a shop that has handled my friends 97 4Runner (now with 260k miles), that will do my timing belt, water pump, antifreeze, labor, etc for $650. Thats a ton better than Toyotas $1050.
 
Mine is a 2005 with 65,000 miles. I just bought it a few days ago. Since the manual says 72 months and it was first sold in early 2005, should I replace it in the next 6-8 months? I assume it is impossible to inspect it without spending a bunch in labor costs.
 
I'm getting closer to the 90k mark, so I'll probably have mine done next summer.
So what else should be replaced at the same time, while they are in there?
 
I have a 2003 V8 (85K milage), and just had my timing belt, drive belt, & water pump replaced @ the dealership for $602 w/tax. Oh yeah, that also included an oil change, brake inspection and tire rotation.

The $602 should have been for all of the above minus the water pump, but there was miscommuncation between the technician & the service advisor & they replaced the water pump even after I declined. FREE WATER PUMP!

Feels good to "stick-it" to the dealership since their prices pretty much stick it to us most of the time.

Techsan
 
Aww crap. My '03 Sport Edition V8 has 81k on it, ive ALWAYS done the 30k maintenence. I remeber those entailed replacing a lot of fluids (tranny, differentials, coolant), and that was over $600. Im really spooked about what my dealership will tell me the 90k will cost!

Is the pricing different by region? by dealership?
 

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