3rd Gear grind - Toyota Yaris Forums

hatchbackkid82 · 03-04-2009, 08:52 AM

I just started to develop a 3rd gear grind. I don't know if anyone else has experienced this. Shifting from 2nd to 3rd, it will never be hard to get into gear, but on occasion there is a slight grind. Has anyone else experienced this? The other thing is does anyone know if having an intake on there will void the entire warranty?

hatchbackkid82 · 03-04-2009, 09:10 AM

I don't rough shift. Always make sure the clutch is all the way down when shift. It's driving me nuts. Even if i shift slow at a certain speed it will grind. The grinding sound is faint but still audible, but i can feel it through the shifter. It's like something is spinning in there

hatchbackkid82 · 03-04-2009, 09:13 AM

Well looks like i'm back under the hood tonight

. Just put my intake on Sunday...this blows

hatchbackkid82 · 03-04-2009, 09:22 AM

I hope your right PK. I'm dreading having to shell out money. I'm out of the bumper to bumper warranty. Just have the powertrain warranty, i know they will tryto figure out a way to suck money out of me

at3GG · 03-04-2009, 09:33 AM

mine does the same downshifting from 2 to 3 sometimes, even with the clutch fully depressed and shifting sloowly, but only if i dont let the rpm drop. Fait but still there. Also, an intake will NOT void your entire warranty. If they KNOW that you installed an intake, it will void the stock airbox and intake system portion of the watrranty and nothing. This is straight from the mouth of my Toyota Dealer. Good Luck!

Tamago · 03-04-2009, 09:45 AM

ahh the old weak synchro problem..

what gear oil are you using?

Loren · 03-04-2009, 09:49 AM

I'd check your clutch hydraulics. If the slave has a slight leak or the fluid is old or you've somehow gotten a little air in the system, the clutch may not be releasing properly. What you describe is one of the first symptoms.

hatchbackkid82 · 03-04-2009, 10:00 AM

75w-90 Mobil 1 synthetic If i remember right. It's a grind for sure, doesn't happen all the time. It definitely happens at high rpm all the time. Shift from 1st to 2nd is fine, sfifting 2nd to 3rd, pressing clutch all the way still grinds. I can't shift from 2nd to 3rd in one smooth motion at high rpm without a grind. Actually have to wait for a second or so.

Tamago · 03-04-2009, 10:01 AM

Quote:

Originally Posted by hatchbackkid82

75w-90 Mobil 1 synthetic If i remember right. It's a grind for sure, doesn't happen all the time. It definitely happens at high rpm all the time. Shift from 1st to 2nd is fine, sfifting 2nd to 3rd, pressing clutch all the way still grinds. I can't shift from 2nd to 3rd in one smooth motion at high rpm without a grind. Actually have to wait for a second or so.

there's your problem

get rid of that mobil1

that's a synchro destroyer (ask me how i know)

hatchbackkid82 · 03-04-2009, 10:06 AM

Ummmm....... lol.... so how do you know? You screwed your tranny up?

hatchbackkid82 · 03-04-2009, 10:07 AM

isn't 75w-90 the correct viscosity or weight?

Tamago · 03-04-2009, 10:23 AM

Quote:

Originally Posted by hatchbackkid82

isn't 75w-90 the correct viscosity or weight?

it is the correct weight

but mobil1 is synchro death.

hatchbackkid82 · 03-04-2009, 10:24 AM

Ok any recomendations on what other gear oil to use.

Tamago · 03-04-2009, 10:26 AM

Quote:

Originally Posted by hatchbackkid82

Ok any recomendations on what other gear oil to use.

people here use Redline MT90

i use plain old valvoline

hatchbackkid82 · 03-04-2009, 10:27 AM

Anyone use Lucas gear oil is that any better? I'm taking my car up to the dealership, to see what they say or what they can do, just want to be on the safe side. But i'll make sure to drain that Mobil 1 asap.

Tamago · 03-04-2009, 10:30 AM

Quote:

Originally Posted by hatchbackkid82

Anyone use Lucas gear oil is that any better? I'm taking my car up to the dealership, to see what they say or what they can do, just want to be on the safe side. But i'll make sure to drain that Mobil 1 asap.

the dealership is gonna say to buy "toyota" oil (lol)

Tamago · 03-04-2009, 10:50 AM

Quote:

Originally Posted by PK198105

what is "toyota" oil? hatchback did you switch the oil from OEM?

it's whatever they decide to throw their label on

i'm not gonna say what brand because i'm probably wrong anyway

i'm not the oil expert around here, there's like 53445 experts.

MUSKOKA800 · 03-04-2009, 10:51 AM

Quote:

Originally Posted by hatchbackkid82

I hope your right PK. I'm dreading having to shell out money. I'm out of the bumper to bumper warranty. Just have the powertrain warranty, i know they will tryto figure out a way to suck money out of me

Powertrain warranty should cover transmission problems.

03-04-2009, 08:52 AM	#1
hatchbackkid82 Drives: . Join Date: Apr 2007 Location: . Posts: 1,828	3rd Gear grind I just started to develop a 3rd gear grind. I don't know if anyone else has experienced this. Shifting from 2nd to 3rd, it will never be hard to get into gear, but on occasion there is a slight grind. Has anyone else experienced this? The other thing is does anyone know if having an intake on there will void the entire warranty?

03-04-2009, 09:13 AM	#3
hatchbackkid82 Drives: . Join Date: Apr 2007 Location: . Posts: 1,828	Well looks like i'm back under the hood tonight. Just put my intake on Sunday...this blows

03-04-2009, 09:33 AM	#5
at3GG Drives: 07 metmet LB Join Date: Oct 2008 Location: VA Beach Posts: 648	mine does the same downshifting from 2 to 3 sometimes, even with the clutch fully depressed and shifting sloowly, but only if i dont let the rpm drop. Fait but still there. Also, an intake will NOT void your entire warranty. If they KNOW that you installed an intake, it will void the stock airbox and intake system portion of the watrranty and nothing. This is straight from the mouth of my Toyota Dealer. Good Luck! __________________ F5 CAI, MR axleback, MR Header, NST SSK. Full Exhaust wrap, AT3 Custom SSK Konig Heliums 15x6.5 Black Tanabe Df210's

03-04-2009, 09:49 AM	#7
Loren What? Drives: 2007 Yaris LB Join Date: Nov 2008 Location: Safety Harbor, FL Posts: 1,006	I'd check your clutch hydraulics. If the slave has a slight leak or the fluid is old or you've somehow gotten a little air in the system, the clutch may not be releasing properly. What you describe is one of the first symptoms. __________________ ----------------------- Loren@InvisibleSun.org -----------------------

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03-04-2009, 09:10 AM	#2
hatchbackkid82 Drives: . Join Date: Apr 2007 Location: . Posts: 1,828	I don't rough shift. Always make sure the clutch is all the way down when shift. It's driving me nuts. Even if i shift slow at a certain speed it will grind. The grinding sound is faint but still audible, but i can feel it through the shifter. It's like something is spinning in there

03-04-2009, 09:22 AM	#4
hatchbackkid82 Drives: . Join Date: Apr 2007 Location: . Posts: 1,828	I hope your right PK. I'm dreading having to shell out money. I'm out of the bumper to bumper warranty. Just have the powertrain warranty, i know they will tryto figure out a way to suck money out of me

03-04-2009, 10:00 AM	#8
hatchbackkid82 Drives: . Join Date: Apr 2007 Location: . Posts: 1,828	75w-90 Mobil 1 synthetic If i remember right. It's a grind for sure, doesn't happen all the time. It definitely happens at high rpm all the time. Shift from 1st to 2nd is fine, sfifting 2nd to 3rd, pressing clutch all the way still grinds. I can't shift from 2nd to 3rd in one smooth motion at high rpm without a grind. Actually have to wait for a second or so.

03-04-2009, 10:06 AM	#10
hatchbackkid82 Drives: . Join Date: Apr 2007 Location: . Posts: 1,828	Ummmm....... lol.... so how do you know? You screwed your tranny up?

03-04-2009, 10:07 AM	#11
hatchbackkid82 Drives: . Join Date: Apr 2007 Location: . Posts: 1,828	isn't 75w-90 the correct viscosity or weight?

03-04-2009, 10:24 AM	#13
hatchbackkid82 Drives: . Join Date: Apr 2007 Location: . Posts: 1,828	Ok any recomendations on what other gear oil to use.

03-04-2009, 10:27 AM	#15
hatchbackkid82 Drives: . Join Date: Apr 2007 Location: . Posts: 1,828	Anyone use Lucas gear oil is that any better? I'm taking my car up to the dealership, to see what they say or what they can do, just want to be on the safe side. But i'll make sure to drain that Mobil 1 asap.