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Anybody have a 4.0l V6 timing belt break?

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Old 12-15-2011, 04:02 PM   #1
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Anybody have a 4.0l V6 timing belt break?

Hi, all -

New member here, long-time Toyota owner.

Was wondering if anybody's experienced breakage of the timing belt on the 4.0L V6?

My Tacoma's just hit 90K mi, which is the recommended replacement period. It's also my work truck, so I need it daily. I realize it's a $1,000, all-day repair, just hoping to delay until right after the first of the year...

TIA!

RJ
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Old 12-15-2011, 04:02 PM   #2
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No because it doesn't have a timing belt, its got the Chain
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Old 12-15-2011, 04:04 PM   #3
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Originally Posted by JasonJump View Post
its got the Chain
That's what I thought.
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Old 12-15-2011, 04:06 PM   #4
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And to further answer your question, the chain doesn't really an interval of change, only time I have heard of switching chains is if they become stretched, which isn't way common
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Old 12-15-2011, 04:07 PM   #5
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The chain is designed to last the life of the engine.
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Old 12-15-2011, 04:12 PM   #6
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Originally Posted by whippersnapper02 View Post
The chain is designed to last the life of the engine.
Good to know. I got 305 000 kms on my truck now and was thinking about the timing chain
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Old 12-15-2011, 04:33 PM   #7
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Quote:
Originally Posted by whippersnapper02 View Post
The chain is designed to last the life of the engine.
Soo, by my calculations... Forever?
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Old 12-15-2011, 04:34 PM   #8
With sufficient thrust, pigs fly just fine.
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Quote:
Originally Posted by Night View Post
Soo, by my calculations... Forever?
I think the valve springs would wear out befoer the timing chain did..
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Old 12-15-2011, 04:35 PM   #9
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do the 05's have the chain or belt?
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Old 12-15-2011, 04:36 PM   #10
With sufficient thrust, pigs fly just fine.
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Originally Posted by captclueless View Post
do the 05's have the chain or belt?
chain
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Old 12-15-2011, 04:42 PM   #11
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Quote:
Originally Posted by chris4x4 View Post
I think the valve springs would wear out befoer the timing chain did..
I was making a joke haha. You know, Toyota reliability, engine lasting forever? Funny huh? Hahahahah.

I know, I know...
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Old 12-15-2011, 04:44 PM   #12
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I have seen the timing chain tensioners for the small chains ( between the exhaust and intake cam sprockets fail ( collapse) causing the chain to slap the cam cover . but the chain should last the life of the truck.

Justin
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Old 01-01-2012, 11:28 PM   #14
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Thanks, all, for your help.

Just saved me $1000. . . yeah!

Onward, then
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Old 01-02-2012, 06:14 AM   #15
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Don't worry about the chain, but you may want to think about checking the valve clearances.
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Old 01-02-2012, 01:04 PM   #16
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Valve clearances should be checked every 60K miles according to the maintenance schedule on the V6. The timing chain is internally lubricated so as long as the oil system operates correctly you should never have to worry about the timing chain having problems.
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Old 01-02-2012, 01:06 PM   #17
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I THOUGHT we had a chain... scared me for a moment.
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Old 01-02-2012, 05:34 PM   #18
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Quote:
Originally Posted by Night View Post
Soo, by my calculations... Forever?
A 1st gen changed his timing chain for the first time at 350k-miles. It had stretched and the tentioner was broken.

Don't take it to the dealer, but DO have it looked at by a shop. Not serviced, just inspected. Preventative maintenance and awareness of what the vehicle is doing is key to keeping them running. Don't throw parts at it willy-nilly (aka, replacing a good chain), but do know what the chain, tentioner, etc are doing.

Also, if you've never flushed your transmission, now is too late to start. You'll likely wash out the worn clutches. Instead, opt for the transmission service, or full fluid exchange. (Standard transmissions)
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Old 01-02-2012, 06:07 PM   #19
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Quote:
Originally Posted by spithead051 View Post
Valve clearances should be checked every 60K miles according to the maintenance schedule on the V6. The timing chain is internally lubricated so as long as the oil system operates correctly you should never have to worry about the timing chain having problems.
Don't mean to highjack the thread but how many hours of work to check valve clearances? Is there anything else that should be done at 60K miles? Thanks.
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