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Old 09-29-2011, 02:07 AM   #1
bankrobber
 
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gears grinding

A few times I was sitting at a Red light and when it turned Green I pushed clutch real fast and put in 1st gear but it grinds the gears if I do it really fast. I didn't notice this before. If I push clutch and give it a second before putting in gear it wont grind. Is the synchronizers wearing out? I change fluid about every 30k with synthetic blend from walmart. I got 121k miles on car.
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Old 09-29-2011, 11:40 AM   #2
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Originally Posted by bankrobber View Post
A few times I was sitting at a Red light and when it turned Green I pushed clutch real fast and put in 1st gear but it grinds the gears if I do it really fast. I didn't notice this before. If I push clutch and give it a second before putting in gear it wont grind. Is the synchronizers wearing out? I change fluid about every 30k with synthetic blend from walmart. I got 121k miles on car.

i get the same thing, although I notice it more often since I changed to royal purple gear oil. I'm also getting a grind when I go from 2nd to 3rd quickly if I don't double clutch.
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Old 09-29-2011, 04:32 PM   #3
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Originally Posted by mazilla View Post
i get the same thing, although I notice it more often since I changed to royal purple gear oil. I'm also getting a grind when I go from 2nd to 3rd quickly if I don't double clutch.
^^ Yep same here !!! Switched to royal purple a few months ago and have very notchy engagement and a desent grind when going 3-2 . I think its just to slick for the yaris gears imo .I will be switching to redline mt-90 next weekend and hope that helps...
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Old 09-29-2011, 08:00 PM   #4
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I got the same problem fron 3rd-2nd..... Does it quite often!
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Old 09-29-2011, 08:13 PM   #5
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Yeah, i switched to royal puckal at 55,000 and hate it.....I got MT 90 on the shelf for the 70,000 mile oil change coming up....I just shift nice and soft/smooth for now.....I got 65,000 on the car and mine doesn't grind into gears.
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Old 09-30-2011, 09:49 AM   #6
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hmm, I have had the same kind of oil in for 2 years so cant say that is why. Guess I cant try to pop it into gear so fast.
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Old 09-30-2011, 10:05 AM   #7
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only time I ever had an issue with grinding a gear when shifting is when I didnt push the clutch far enough and i was shifting faster then usuall. My hands were moving faster then my feet were. but under normal driving I never had a problem with this. I did notice you guys are running Higher milage then me and you guys gots 07-08s.. maybe '10 got some improvements or its just not worn in yet
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Old 10-01-2011, 01:55 AM   #8
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Starting to happen more frequently think 1st syncro is getting bad. Better change oil to see how it looks
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Old 10-01-2011, 01:57 AM   #9
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Feel like I am driving a dump truck again
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