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02-08-2009, 05:02 AM | #1 |
Drives: yaris Join Date: Oct 2008
Location: las vegas, alabang
Posts: 89
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yaris timing belt
what is the timing belt of a yaris is it CHAIN or RUBBER?
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02-08-2009, 05:22 AM | #2 |
Drives: yaris 08 sedan Join Date: Oct 2008
Location: Montreal Canada
Posts: 1,286
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Its a chain,you'll never have to worry about it.
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02-08-2009, 05:23 AM | #3 |
Drives: 2010 Mazda3 iTouring Join Date: Jun 2007
Location: San Bernardino
Posts: 234
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I'm pretty sure its a chain
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02-08-2009, 07:45 AM | #4 |
Banned
Drives: 2008 Yaris Join Date: Oct 2008
Location: Pennsylvania
Posts: 1,034
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Chain.
http://www.etimago.com/yaris/repairmanual/ Engine Mechanical - Caution: big PDF file. Valve clearance adjustment techniques start on page ten, which clearly shows the timing chain. Gene |
02-08-2009, 09:07 AM | #5 | |
Drives: '07 Yaris, '12 GLI Join Date: May 2007
Location: Ottawa
Posts: 100
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There is an automatic timing chain tensioner which maintains the proper tension (i.e. no tightening required). You should not have to touch it. It should be pratically "maintenance free" for the lifetime of the engine. Sure, there is a maximum chain stretch measurement that can be verified at defined intervals, but there should be other problems with the car by the time the chain needs replacing (at least in areas where salt is used as a de-icer on road surfaces in the winter).
From the Toyota website: Quote:
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02-08-2009, 01:05 PM | #6 |
Drives: 07 Yaris S Sedan 5-Speed Join Date: Oct 2008
Location: Massachusetts
Posts: 2,179
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Seeing as how trini_per4mance (member) has not touched his in 305,000 miles, I'd say it should go the life of the car with no change or maintenance.
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02-08-2009, 01:09 PM | #7 |
Drives: 08 Yaris Join Date: Oct 2008
Location: Vancouver, BC
Posts: 365
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however his 300k+ miles are 95% or more from highway freeway driving. for regular drivers like ourselves, wouldn't there be a difference? just my guess
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RIP Yaris, I will miss your superb handling a lot. darkmoon87's picture thread http://www.yarisworld.com/forums/showthread.php?t=10013 |
02-08-2009, 05:46 PM | #8 |
Drives: 08 3DR 5M Bayou Blue; 09 Fos Join Date: Oct 2008
Location: New Hampshire
Posts: 622
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Ha, Toyota got us on the other end: the valves are non-adjustable, non-hydraulic, and the whole top end of the engine (cam box) will have to be torn down periodically to adjust any valve that is out of the clearance spec. I'll put up with some clacking rather than go through this $700- service befor 100K miles. BTW, timing chain tensioner are historically very troublesome. I like belts! Gee, why does a Lexus LS430 V8 have timing BELTS? Give me a couple strong belts!
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02-08-2009, 11:31 PM | #9 | ||
Drives: 2007 Toyota Yaris S Sedan Join Date: Jul 2007
Location: Hollywood, FL
Posts: 162
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Quote:
Quote:
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Yaris 500,000 miles in 6 years 9 months 3 weeks and 3 days and still going strong!!! http://www.youtube.com/watch?v=YnTlNLz9Iqc http://money.cnn.com/galleries/2010/...le_cars/5.html http://www.subcompactculture.com/200...-miles-on.html |
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02-09-2009, 12:39 AM | #10 | |
Drives: 2005 Scion xB Join Date: Nov 2006
Location: The Black Hills of South Dakota
Posts: 1,059
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Quote:
A lot of toyota engines, as well as most imports, used to use belts. Not anymore... Even the new 4.0 V6 (4-runner and FJ) and the new 5.7 V8 (Tundra) now use chains. In fact almost every new engine Toyota has uses a chain. Hell, even our 2006 Civic 1.8 has a chain... And that's belt, not belts... CHAINS FTW |
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02-09-2009, 12:44 AM | #11 |
Drives: 2005 Scion xB Join Date: Nov 2006
Location: The Black Hills of South Dakota
Posts: 1,059
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http://www.toyota.com/help/faqs/serv...ing_chain.html
Model Year Engine Belt/Chain/Gear 4Runner 1990-2000 4 Cylinder Chain 1990-2002 V6 Belt 2003-2008 V6 Chain 2003-2008 V8 Belt Avalon 1995-2003 V6 Belt 2004-2008 V6 Chain Camry 1990-2001 All Belt 2002-2008 4 Cylinder Chain 1990-2006 V6 Belt 2007-2009 V6 Chain Camry Hybrid 2007-2009 4 Cylinder Chain Celica 1990-1999 4 Cylinder Belt 2000-2005 4 Cylinder Chain Corolla 1990-1997 4 Cylinder Belt 1998-2009 4 Cylinder Chain Cressida 1990-1992 L6 Belt ECHO 2000-2005 4 Cylinder Chain FJ Cruiser 2007-2008 V6 Chain Highlander 2001-2007 4 Cylinder Chain 2001-2007 V6 Belt 2008 V6 Chain Highlander Hybrid 2006-2008 V6 Belt Land Cruiser 1990-1992 L6 Gear 1993-1997 L6 Chain 1998-2007 V8 Belt 2008 V8 Chain MR2 1990-1995 4 Cylinder Belt MR2 Spyder 2000-2005 4 Cylinder Chain Matrix 2003-2009 4 Cylinder Chain Paseo 1992-1997 4 Cylinder Belt Previa 1991-1997 4 Cylinder Chain Prius 2001-2008 4 Cylinder Chain RAV4 1996-2000 4 Cylinder Belt 2001-2008 4 Cylinder Chain 2006-2008 V6 Chain Sequoia 2001-2007 V8 Belt 2008 4.7 V8 Belt 2008 5.7 V8 Chain Sienna 1998-2006 V6 Belt 2007-2008 V6 Chain Solara 1999-2001 4 Cylinder Belt 2002-2008 4 Cylinder Chain 1999-2008 V6 Belt Supra 1990-1998 L6 Belt T100 1993-1998 4 Cylinder Chain 1993-1998 V6 Belt Tacoma 1995-2008 4 Cylinder Chain 1995-2004 V6 Belt 2005-2008 V6 Chain Tercel 1990-1998 4 Cylinder Belt Truck 1990-1995 4 Cylinder Chain 1990-1995 V6 Belt Tundra 2000-2004 V6 Belt 2005-2008 V6 Chain 2000-2008 4.7 V8 Belt 2007-2008 5.7 V8 Chain Yaris 2007-2008 4 Cylinder Chain For Timing Belts, please reference our "Timing Belt Recommendations" FAQ (Frequently Asked Question) to determine the maintenance interval recommendations. For Timing Chain and Gears, there are no prescribed replacement intervals; these components should be replaced as needed. |
02-09-2009, 10:42 AM | #12 |
Drives: 08 3DR 5M Bayou Blue; 09 Fos Join Date: Oct 2008
Location: New Hampshire
Posts: 622
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A Sample of one is not statistically relevant. I have 2 toyotas with chains - one only went 67K and the tesioner crapped out and the other is at 17K and still going (on REAL synthetic oil) Lesson learned with oil quality So with my sample size of 2 we are at a 50% failure rate
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02-09-2009, 10:50 AM | #13 | |
Drives: 08 3DR 5M Bayou Blue; 09 Fos Join Date: Oct 2008
Location: New Hampshire
Posts: 622
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Quote:
My question to toyota designers, especially with the thinner oils utilised today wiith low EP adds, why no roller followers on the cam tappets (ala Mitsubishi) and why "non- adjustable without a extensive tear down? Gee I could easily adjust my 2.3L chevy vega inveted bucket tappet with a hex key and only remove the valve cover Last edited by TheSilkySmooth; 02-09-2009 at 10:51 AM. Reason: schpellink air or |
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02-23-2015, 08:44 PM | #14 | |
Drives: 2009 RED Yaris Join Date: Feb 2010
Location: Mount Shasta Ca
Posts: 8
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automatic tensioner
Quote:
i have 103K miles on my 09... about 70% of that is highway miles. |
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02-23-2015, 08:54 PM | #15 |
Mr. 155 and climbing
Drives: Seriously Modded 07 Sedan Join Date: Jun 2006
Location: In The Hotbox
Posts: 4,742
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When you do it you will have to remove somw other parts and have to regasket it yourself. Do you have experience with verifying timing chains and general mechanical engine maintenance past oil and plugs?
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02-23-2015, 11:22 PM | #16 |
As a dealer tech working for autonation toyota, I have never and never seen anybody adjust or "reset and verify" timing chain tension. Leave them alone. If it ever rattle, which is 1 in a million, get it checked. But other than that, leave it alone.
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02-24-2015, 01:05 AM | #17 |
Drives: 2('14+'07)MT 3d ,wHandCrWndws! Join Date: May 2009
Location: S.MontgomeryCnty,TX(HoustonMSA) '07=BayouBlue=300,125miles=OrigOwnr '14=ClassicSilvr=29,059miles
Posts: 4,839
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^^^^^This. Trini, who happens to have an old post on this thread, has over 535,000 miles on the original engine in his Yaris and he hasn't had any timing chain issues.
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