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03-14-2010, 02:07 PM | #19 | |
Drives: 2007 Yaris 4d Sedan Join Date: Feb 2010
Location: CO
Posts: 28
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03-14-2010, 09:28 PM | #20 |
Drives: 2007 Yaris Hatchback Join Date: Jan 2010
Location: Central Florida
Posts: 254
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Yes, I did because there was no Mobil1 on the shelf. I changed mine around 80,000 for first time. It shifted much smoother but, it was way overdue for a change. I did gain about 1 MPG.
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03-17-2010, 05:59 PM | #21 |
Drives: 08 3DR 5M Bayou Blue; 09 Fos Join Date: Oct 2008
Location: New Hampshire
Posts: 622
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Good to know. I have AMALIE 75w-90 GL-5 MT-1 and it s OK but I am not hog wild about it; at least not wild about it enough to rec it.
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03-18-2010, 09:41 PM | #22 |
Drives: 2009 5 doors hatchback S Join Date: Jan 2010
Location: Lowell MA
Posts: 7
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TSB 0068-09? transverse engine mount-abnormal noise and vibration on acceleration during accelerating from a stop or shifting gears.
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03-18-2010, 10:03 PM | #23 | |
Drives: 09 Flint Mica Sedan Join Date: Feb 2010
Location: silver spring, md
Posts: 38
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For the 75w-90 oils, can you mix these with the standard stuff Toyota puts in (10w40) or do you have to completely drain that out first? also, at what mileage intervals is it recommended to use these? I have about 15k but I often drive through heavy traffic on the highway and sometimes experience similar shifting problems, so I was looking to use redline. Any thoughts? |
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03-18-2010, 10:39 PM | #24 | |
Drives: 2006 Sentra SpecV Join Date: Mar 2010
Location: Austin, TX
Posts: 34
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You're experiencing what is called transmission lockout. This is because the synchronizers in the Yaris transmission are small, and weak as hell. There are a few things you can do to combat this though.
First gear lockout is actually very common in manual transmissions, and you'll find very few transmissions that allow you to shift to first gear at speed. This is by design, to reduce the likelihood of you screwing up and valve floating your engine to death. One car I've driven that allows you to shift to first while at any speed is the Lotus Elise/Exige, for obvious purposes. 1) Better fluid. AMSOil is pretty awesome stuff, as already stated in the thread. I'd personally recommend that. 2) Double clutching. This may sound silly, but I promise you it works. In my SpecV you can't put the car in first unless you're damn near stopped. If I double clutch, I can get it in doing 20. 3) Try rev matching in conjunction with double clutching. Both of these will eliminate the need for the syncro entirely, and the gear should slide in. If you're unfamiliar with double clutching, it's pretty simple. Stab the clutch while taking the car out of what ever gear you're in, release the clutch, then depress the clutch again, and at the same time rev match and slide the gear in. Works every time with me. EDIT: I've only experienced transmission lockout on a few other cars, all of which were 'cheap' in nature. The Hyundai Genesis Coupe 2.0T had horrible second gear lockout, even when rev matching. This is either due to cheap design, inadequate syncros, or poor fluid. Probably more than one, if not all of these are the reason why you're having that experience. EDIT #2: I was thinking maybe it's a linkage issue, but that would also impact 4th gear, which you make no mention of. So I'd say this isn't a linkage issue either.
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03-19-2010, 12:05 AM | #25 | |
Drives: 08 Yaris sedan auto / Fit auto Join Date: Oct 2009
Location: northeast
Posts: 2,897
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03-19-2010, 01:58 PM | #26 |
Drives: Scion FRS RS2, ‘21 Crosstrek Join Date: Oct 2008
Location: Chatham, Ontario, Canada
Posts: 1,729
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Have you lubed the shift linkage underhood? I just sprayed mine last evening and now not only has the squeak stopped but WOW!, it shifts so, so much smoother now. Best $7.00 I've spent (spray Lithium grease, lifetime supply).
Here's the thread with instructions: http://www.yarisworld.com/forums/showthread.php?t=10644
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TRD Upgrades: 18" Wheels wrapped in 215/35/18 PZero's, Sportivo Shocks/Struts, Lowering Springs, Swaybar, Axle-Back Exhaust, Oil Cap, Rad Cap, Signage. Aftermarket Goodies: Piggies SS, K&N Drop-In, Blitz S/C, DC Header, NST Pulley) Toyota Options/Accessories: Sport Pedal Covers, Sport Shift Knob, Ipod Interface, Summer Mats, Winter Mats, Cruise Control, Auto-Dim Mirror, Echo steelies with winter boots. |
03-20-2010, 02:18 PM | #27 | |
Drives: 2007 Yaris 4d Sedan Join Date: Feb 2010
Location: CO
Posts: 28
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03-20-2010, 02:20 PM | #28 | |
Drives: 2007 Yaris 4d Sedan Join Date: Feb 2010
Location: CO
Posts: 28
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03-21-2010, 04:01 PM | #29 | |
Drives: 2006 Sentra SpecV Join Date: Mar 2010
Location: Austin, TX
Posts: 34
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I notice that if you take more time with your double clutching, it's less effective. If you're doing it slowly, try speeding things up a little.
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05-12-2010, 09:43 AM | #30 |
Drives: 2007 Yaris 4d Sedan Join Date: Feb 2010
Location: CO
Posts: 28
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I'm very sorry it has taken me so long to respond to my own post - I've been very busy lately.
But good news, I put Redline MT-90 in and wow what a difference. Fixed all my shifting problems. Shifting now is very smooth - thanks for all your posts! |
05-12-2010, 11:45 AM | #31 |
Drives: 08 Yaris sedan auto / Fit auto Join Date: Oct 2009
Location: northeast
Posts: 2,897
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