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Ric Flair
LSU Fan
Charlotte
Member since Oct 2005
9883 posts
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Old Toyota Tundra/sequoia, timing belt.
The reliable car thread has me thinking. For first generation Tundras (2006 and below) and Sequoias (2007 and below), did you change the timing belt at the recommended intervals or not? They recommend every 80k Miles. I did it at 100k miles. Anyone push it further?


Torrence Hatch
LSU Fan
Member since Nov 2018
413 posts
 Online 

re: Old Toyota Tundra/sequoia, timing belt.
I don't know, but I think the LS430 interval is 90K, so I wouldn't push it past that. Timing belts are stupid, and not something I would try to get the maximum lifespan out of.


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bhtigerfan
Baton Rouge
Member since Sep 2008
18573 posts

re: Old Toyota Tundra/sequoia, timing belt.
I had a Sequoia that I bought at auction that had 202,000 miles on it. If they change the timing belt and water pump, they usually put a sticker on the timing belt cover. This Sequoia didn't have a sticker. I called Lake Charles Toyota (from the title, previous owner was from there) and gave them the VIN# to see if it had been changed. They had done all of the maintenance on it and had never changed it. I found the previous owners home number and called him to see if he had it done at an independent mechanic. Nope. 202,000 miles on original timing belt and water pump.
This post was edited on 12/5 at 10:45 pm


AndyCBR
LSU Fan
Baton Rouge, LA
Member since Nov 2012
1927 posts

re: Old Toyota Tundra/sequoia, timing belt.
It depends on the engine. The 4.7 is an interference engine so a timing belt failure can be very costly.

For an interference engine I wouldn't chance it. Non-interference, maybe roll the dice.


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40
DeepsouthC17
LSU Fan
Member since May 2013
14 posts
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re: Old Toyota Tundra/sequoia, timing belt.
I have a 2004 Tundra with 245,000 and driving like brand new. I've put nothing but routine tires, batteries, and fluids to keep it going. I still have the original timing belt and water pump (if it doesn't break leave it alone). The O-T can argue all day about this brand of truck or that brand. But it'll be the Toyota still driving after Nuclear Holocaust.


bhtigerfan
Baton Rouge
Member since Sep 2008
18573 posts

re: Old Toyota Tundra/sequoia, timing belt.
Dude, change the belt. Quit rolling the dice.


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HotBoudin
LSU Fan
Metairie
Member since Sep 2003
458 posts

re: Old Toyota Tundra/sequoia, timing belt.
Had the the belt/pump changed on my '03 Sequoia at 130k (bought it new in '02). The water pump was about to go bad. That would have been the first breakdown.


Canada_Baw
Member since Dec 2017
1286 posts

re: Old Toyota Tundra/sequoia, timing belt.
Inspect the belt for wear man... frayed edges or slack - change it


Clames
LSU Fan
Member since Oct 2010
8803 posts

re: Old Toyota Tundra/sequoia, timing belt.
quote:

Inspect the belt for wear man... frayed edges or slack - change it


By the time you've pulled the parts to properly inspect the belt you may as well change it out. Along with the idler pulleys, cooling fan hub, cam seals, etc. The belts on these motors won't give you any warning before they fail, the just break. Every 90K and you'll be surprised how much smoother and quiter a new belt makes those engines run.


coolneal
LSU Fan
Lakeland, TN
Member since Nov 2007
502 posts

re: Old Toyota Tundra/sequoia, timing belt.
I had a 2003 Tundra.. changed at $188k.


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Rougaroux
LA-Monroe Fan
Madisonville
Member since Feb 2017
356 posts

re: Old Toyota Tundra/sequoia, timing belt.
Mine made it to200k before popping.


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farad
LSU Fan
Baton Rouge, LA
Member since Dec 2013
2802 posts

re: Old Toyota Tundra/sequoia, timing belt.
2006 here...did it at 110k...figured with my luck that was pushing it far enought...


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Bonnie Blue
LSU Fan
Nashville
Member since Apr 2011
89 posts

re: Old Toyota Tundra/sequoia, timing belt.
I had my first one changed at 160,000. I had the mechanic save it for me to look at. It still looked like it was in good shape. the truck hass about 200,000 on it now. I will never change it again.
This post was edited on 12/6 at 5:02 am


baldona
Auburn Fan
Florida
Member since Feb 2016
7847 posts

re: Old Toyota Tundra/sequoia, timing belt.
quote:

The belts on these motors won't give you any warning before they fail, the just break.


I'm not a mechanic, but this goes against everything I've ever seen and makes 0 sense. Most manuals say to inspect for visual signs of wear, replace when needed.


dolamite
da' berry
Member since Sep 2009
290 posts

re: Old Toyota Tundra/sequoia, timing belt.
06 tundra
did it at 110k about 6 months ago
gunna keep it for at least another 100k
Most reliable vehicle I've ever owned!


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Hammertime
UNO Fan
Will trade dowsing rod for titties
Member since Jan 2012
41232 posts

re: Old Toyota Tundra/sequoia, timing belt.
Did my gf's GX 470 at 116k when we bought it. It had actually been done before, but there wasn't a sticker, and I couldn't tell that it had been done from a quick inspection
quote:

I'm not a mechanic, but this goes against everything I've ever seen and makes 0 sense. Most manuals say to inspect for visual signs of wear, replace when needed
You can't get to the timing belt without taking the entire front of the engine off. Well, I guess you can make it so far as to take the three cover plates off, but you won't be able to see the inside of the belt, and you'll already be 1/2 of the way done the teardown by then. There is no way to properly inspect the belt and tensioner without taking everything completely apart.

I've done a four, and they've all looked good. IMHO, the tensioner would be the problem. Loose tensioner, and you get slack in the belt that causes it to jump and pop. Leaking water pump is also a good opportunity to change it out.

This isn't an external belt like the one you can see. This is internal, and controls the camshafts. By reading reports, they pop without notice when someone gets on the gas, and then lets off of it abruptly. Manufacturers use belts because they are more quiet than chains
This post was edited on 12/6 at 7:14 am


member12
Marquette Fan
Bob's Country Bunker
Member since May 2008
23350 posts

re: Old Toyota Tundra/sequoia, timing belt.
quote:

Manufacturers use belts because they are more quiet than chains


Also cheaper.


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EveryoneGetsATrophy
LSU Fan
Member since Nov 2017
262 posts

re: Old Toyota Tundra/sequoia, timing belt.
I brought my 2005 4.7 Tundra to the dealership at 80k miles and the service writer told me to bring it in at 120k, don't waste my money. Change the water pump out too since you have to remove it to get to the belt.


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trident
Tennessee Fan
Member since Jul 2007
3909 posts

re: Old Toyota Tundra/sequoia, timing belt.
Can we discuss timing chains in this thread? I have a 2012 highlander with 125,000 miles on it and it has a chain. Do I need to do anything? It seems like the chain is "don't fix until broken" unlike the belt. TIA


jimbeam
USA Fan
University of LSU
Member since Oct 2011
50254 posts
 Online 

re: Old Toyota Tundra/sequoia, timing belt.
So glad mine has a timing chain


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