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Timing Chain #219473 Jul 8, 4:19pm Jul 8, 4:19pm
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Haulin_A_Doo OP
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Timing Chain
According to the manual I am long overdue for changing the timing chain. Because these motors have interference heads on them the consequence of a failed timing chain is pretty serious. If those valves are still open when the piston comes to TDC, metal is fly.

I priced having it done & they want $1,500 CDN with labour. Apparently they change all three sprockets as well as the chain, including the one that controls VVT-i. Thinking I may just take the chance & see what happens.

Anybody done theirs? Had it fail?

Re: Timing Chain [Re: Haulin_A_Doo] #219474 Jul 8, 4:24pm Jul 8, 4:24pm
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This is it.

1870101469-timingchain1.jpg
Re: Timing Chain [Re: Haulin_A_Doo] #219475 Jul 10, 5:05am Jul 10, 5:05am
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SaddY
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Not me :S what's time to have them replaced ?

Re: Timing Chain [Re: SaddY] #219476 Jul 11, 1:54pm Jul 11, 1:54pm
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can't you just buy the sprockets yourself, buy the chain and put it in? It doesn't seem to hard. $1500 sounds like that's 5 times as much as what they should charge if they were honest.


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Re: Timing Chain [Re: QTRMLR_1] #219477 Jul 11, 2:39pm Jul 11, 2:39pm
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The one sprocket alone is hundreds of dollars, it controls the vvti.

Re: Timing Chain [Re: Haulin_A_Doo] #219478 Jul 11, 3:04pm Jul 11, 3:04pm
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oh wait...that's $1500 Canadian Dollars...what's the exchange rate?


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Re: Timing Chain [Re: Haulin_A_Doo] #219479 Jul 11, 3:06pm Jul 11, 3:06pm
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Originally Posted by Haulin_A_Doo
The one sprocket alone is hundreds of dollars, it controls the vvti.


yeah, if you buy from a dealership. get aftermarket cam sprockets...much cheaper.


I get my kicks on EC.
Re: Timing Chain [Re: QTRMLR_1] #219480 Jul 11, 3:09pm Jul 11, 3:09pm
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Haulin_A_Doo...I'm curious...can you help me out and show me a picture of all three sprockets? Thanks...


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Re: Timing Chain [Re: QTRMLR_1] #219481 Jul 11, 11:20pm Jul 11, 11:20pm
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Sorry, you have to disassemble the entire side of the motor to see the bottom sprocket. The photo above is the top two which are visible when you remove the rocker cover.

Yah, that's Canadian. Its about $1100 USD. That includes taxes, the 3 sprockets, guides, chain, gaskets, a serpentine belt & 8 hours labour.

Re: Timing Chain [Re: Haulin_A_Doo] #219482 Jul 11, 11:43pm Jul 11, 11:43pm
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I think of Xanadu when I see your screen name... grin

gee, that is a lot of work I guess smile but if you got the time I think you could probably save a lot still. What's the labor rate like in Ontario?


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Re: Timing Chain [Re: QTRMLR_1] #219483 Jul 11, 11:45pm Jul 11, 11:45pm
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The dealership charges $75 an hour.

Re: Timing Chain [Re: Haulin_A_Doo] #219484 Jul 11, 11:47pm Jul 11, 11:47pm
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how much do you think the guides, chain, gasket, and belt cost? --not including the sprockets?


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Re: Timing Chain [Re: QTRMLR_1] #219485 Jul 12, 12:14am Jul 12, 12:14am
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I donno, I haven't sat down to do the math.

Re: Timing Chain [Re: Haulin_A_Doo] #219486 Jul 12, 8:59am Jul 12, 8:59am
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Here is the next best thing, a diagram.

1870107364-Timing.jpg
Re: Timing Chain [Re: Haulin_A_Doo] #219487 Jul 12, 9:23am Jul 12, 9:23am
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Illusive
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easiest way is to pull the engine to replace those parts.

from the looks of the pic you posted your engine is probably in need of an overhaul, you should change your oil more often the build up on the pic you posted is horrendous.

you dont have to pull the engine to replace the cam sprocket, but replacing the chain requires you to remove the timing cover which is a pita.


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Re: Timing Chain [Re: Illusive] #219488 Jul 12, 9:33am Jul 12, 9:33am
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That engine has had full sythetic every 6000KM for most of its life. It does however have 200,000KM on it, so that might have something to do with it.

Re: Timing Chain [Re: Haulin_A_Doo] #219489 Jul 12, 10:06am Jul 12, 10:06am
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how much do the two stock cam sprockets cost? You can get aftermarket OBX ones for $100 a piece. They're lightweight and adjustable too.


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Re: Timing Chain [Re: QTRMLR_1] #219490 Jul 12, 10:15am Jul 12, 10:15am
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I get my kicks on EC.
Re: Timing Chain [Re: QTRMLR_1] #219491 Jul 12, 11:06am Jul 12, 11:06am
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I think only the one is available aftermarket. The bottom sprocket and the sprocket that controls vvti would have to be Toyota parts.

Re: Timing Chain [Re: Haulin_A_Doo] #219492 Jul 12, 1:40pm Jul 12, 1:40pm
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OBX sucks.

The only reason to buy aftermarket cam gears is for fine tuning of your timing when you're trying to make a lot of power. He needs stock replacements.

Re: Timing Chain [Re: silver] #219493 Jul 12, 2:11pm Jul 12, 2:11pm
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*edit nevermind

Re: Timing Chain [Re: OneShotUno] #219494 Jul 12, 4:19pm Jul 12, 4:19pm
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the chain/tensioner alone run ~ $300 USD


[Linked Image]
Re: Timing Chain [Re: Haulin_A_Doo] #451068 Feb 29, 7:24pm Feb 29, 7:24pm
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I have a 2003 GTS with 150k miles on it that I just bought. Has a leaky timing chain cover gasket, and was quoted around $800 or more by the dealer to replace the gasket. I wondered if it could be a DIY job, but Linked Image tells an ugly story; have to remove all sorts of things (power steering, unbolt the engine and jack it up a bit, etc. I'll just add a quart of oil now and then until the timing chain starts making noise....

https://www.celicahobby.com/photos/celica/tech/ShopMan2/EM/celicashopmanual2_Page_0028.jpg.html

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