Clutch question

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louis fourie
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Clutch question

Post by louis fourie »

This question is not on a Hilux, but it is still a Toyota :thumbup: . My Avanza's clutch is acting up. I can get it into gear....sometimes and sometimes it just refuses. I had a look at the master cyliner, which is under the dash :o: , and it doesn't seem to leak. The slave cylinder is also not leaking, will double check it in the next few minutes. It is not slipping...put bricks in front of the wheels and try to pull away in 5th. It pulls dead. What else can I check??

Hoor graag julle opinies
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Re: Clutch question

Post by louis fourie »

OK, Slave Cylinder dry :yahoo:
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Re: Clutch question

Post by The Legend »

Replace brakefluid and bleed system properly and see if you still have the problem.Just my2c
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Re: Clutch question

Post by louis fourie »

The Legend wrote:Replace brakefluid and bleed system properly and see if you still have the problem.Just my2c
Dawie

Dankie, maar ek het dit reeds gedoen. By die master cylinder is daar 'n bietjie verstelling. Ek het net die "free play" weg gestel. Ek sal sien wat hy more oggend doen.
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Re: Clutch question

Post by Mud Dog »

Louis, if you have plenty of 'clutch' at the pedal (clutch pedal feels firm right from close to the top), then it could be that the spigot bearing is playing up. If this bearing is busy seizing, no matter how good the clutch, the spigot shaft will still be forced to overcome the drag of the gearbox and spin along with the motor. This will result in difficulty selecting gears while stationary, but will be a lot easier if the vehicle is rolling (like while driving). If it seizes completely you will have no clutch action at all.

What happens if you engage first gear with the clutch depressed before you start the motor, and then start it?
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Re: RE: Re: Clutch question

Post by louis fourie »

Mud Dog wrote:Louis, if you have plenty of 'clutch' at the pedal (clutch pedal feels firm right from close to the top), then it could be that the spigot bearing is playing up. If this bearing is busy seizing, no matter how good the clutch, the spigot shaft will still be forced to overcome the drag of the gearbox and spin along with the motor. This will result in difficulty selecting gears while stationary, but will be a lot easier if the vehicle is rolling (like while driving). If it seizes completely you will have no clutch action at all.

What happens if you engage first gear with the clutch depressed before you start the motor, and then start it?
Oom Andy

Wanneer die kar nie in rat wil gaan nie en ek sluit hom af, sit in rat en dan start dan kan ek voel dat daie clutch klaar half ge-engage is, m.a.w. hy begin loop.

Die slave cylinder is heeltemal droog, maar ek dink master cylinder kan 'n probleem wees. Daar is soveel ghries aan die onderkant by die pedale dat ek nie seker is of die master cylinder lek nie. Die remvloeistof se vlak bly wel konstant. Ek kry ook die gevoel dat die gearbox moet uit sodat ek kan sien wat daar binne aangaan.

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Re: Clutch question

Post by MCHILUX »

Hi Louis ratkas moet maar uit en nuwe clutch kry al ń paar sulke gevalle gehad
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Re: Clutch question

Post by Mud Dog »

Ongelukkig stem ek saam - boks moet uit.

Louis, ek glo nie dis 'n master of slave silinder probleem nie, veral as die vlak nie daal en die slave droog is.

Na my mening is dit een van twee moontlikhede, spigot / pilot bearing soos bo genoem of dalk die pressure plate self wat groet. Ander moontlikhede soos master / slave wat nie reg werk nie, dislodged clutch fork of die koppelaar plaat self, is maar skraal.

As jy die moeite deurgaan om die boks uit te haal kan jy maar ter selfde tyd die clutch plate / pressure plate / release bearing en spigot bearing vervang (ter mits dit onlangs gedoen was, dan net die foutiewe onderdeel).
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Re: RE: Re: Clutch question

Post by louis fourie »

MCHILUX wrote:Hi Louis ratkas moet maar uit en nuwe clutch kry al ń paar sulke gevalle gehad
Dankie Jan

Is daar iets anders wat ek moet vervang terwyl die ratkas uit is, bv crank seal, spigot shaft seal aan die ratkas se kant?

Is daar enige iets snaaks itv die ratkas uithaal of is dit straight forward?

Ek vanoggend gou gekyk na die rathefboom knop. Hoe kom hy af?Image
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Re: Clutch question

Post by Mars »

Louis

Die rathefboom knop draai gewoonlik net af. Klink ook vir my jou clutch is klaar maar as die slaaf silinder leeg raak dan sal ek wonder waar die vloeistof heengaan. Dit moet êrens uitlek. Is die area om die "master cylinder" nat? Ek sou eers net die "master cylinder" vervang en kyk wat gebeur. Dit is makliker en goedkoper as 'n koppelaar vervang. Kyk ook of die stelsel 'n "clutch damper" in lyn het op die hidroliese lyn van die "master cylinder" na die slaaf toe en of die "damper" nie dalk remvloeistof lek nie.

Hoeveel kilos het jou kar op? Dit is in elk geval 'n goeie idee om die olie seëls op die ratkas en Kruk-as te vervang as die ratkas uit is. As dit later begin lek dan moet jy die ratkas weer uithaal en met Murphy se geluk is die koppelaar plaat dalk dan gekontamineer met olie en moet weer vervang word. Dit is nou bo en behalwe die "spigot bearing", "thrust bearing", koppelaar plaat en druk plaat. Ek verkies maar om oorspronklike Toyota olie seëls in te sit.
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Re: RE: Re: Clutch question

Post by louis fourie »

Mars wrote:Louis

Die rathefboom knop draai gewoonlik net af. Klink ook vir my jou clutch is klaar maar as die slaaf silinder leeg raak dan sal ek wonder waar die vloeistof heengaan. Dit moet êrens uitlek. Is die area om die "master cylinder" nat? Ek sou eers net die "master cylinder" vervang en kyk wat gebeur. Dit is makliker en goedkoper as 'n koppelaar vervang. Kyk ook of die stelsel 'n "clutch damper" in lyn het op die hidroliese lyn van die "master cylinder" na die slaaf toe en of die "damper" nie dalk remvloeistof lek nie.

Hoeveel kilos het jou kar op? Dit is in elk geval 'n goeie idee om die olie seëls op die ratkas en Kruk-as te vervang as die ratkas uit is. As dit later begin lek dan moet jy die ratkas weer uithaal en met Murphy se geluk is die koppelaar plaat dalk dan gekontamineer met olie en moet weer vervang word. Dit is nou bo en behalwe die "spigot bearing", "thrust bearing", koppelaar plaat en druk plaat. Ek verkies maar om oorspronklike Toyota olie seëls in te sit.
Ek het die knop probeer draai, maar hy kom nie los nie. Die remvloeistof word nie minder nie. 175000km
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Re: Clutch question

Post by Mars »

Nee dan is ek bevrees sal die ratkas moet uit kom. Ek het nie ander raad vir die ratknop nie. Miskien moet jy maar gou 'n oproepie maak na jou plaaslike vriendelike Toyota werkswinkel bestuurder. Daar is dalk een of ander truuk om die knop af te kry maar ek twyfel.
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Re: Clutch question

Post by Mud Dog »

Remove the rubber boot on the gear-lever (just the bottom end), flip it up out of the way, have a look down there and you should see a small turret where the lever goes into the box. That turret is removable (usually just 3 or 4 bolts) - the whole gear-lever comes away with the turret. (The IFS might be different, not sure as I'm not famailiar with them.) :winkx:
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Re: Clutch question

Post by MCHILUX »

The gearshift is cable operated just unclip the cables on the gearbox
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Re: Clutch question

Post by louis fourie »

MCHILUX wrote:The gearshift is cable operated just unclip the cables on the gearbox
Yip, het hierdie een gesien.
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Re: Clutch question

Post by louis fourie »

Jan, dankie vir jou raad vanmiddag. Die starter en waterpypboute is verseker die moeilikste om uit te kry, maar o wee die terugsit gaan 'n ander swetsery aan die gang sit :shock2:

Ratkas is uit
20160302_220515.jpg
Die fout
20160302_215926.jpg
Geen pilot shaft bearing
20160302_215352.jpg
Geen seël aan die ratkas kant - Pilot shaft
20160302_215343.jpg
Thrust bearing lyk en klink ook nie te lekker nie
20160302_215935.jpg
Vervlakste gearbox mounting ook in sy m..r in :o:
20160302_220051.jpg
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Re: Clutch question

Post by louis fourie »

Volgende vraag:

Waar in die Rosslyn/Pretoria Noord omgewing kan ek my flywheel laat sny?
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Re: Clutch question

Post by Knuppel »

Is dit regtig nodig om die fly wheel te sny?

Wie gaan hom weer balanseer as hy klaar gesny is?
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Re: RE: Re: Clutch question

Post by louis fourie »

Knuppel wrote:Is dit regtig nodig om die fly wheel te sny?

Wie gaan hom weer balanseer as hy klaar gesny is?
Ek is ook nie seker nie. Hy lyk nog goed vir my. Sal hom net so 'n bietjie "skurf" maak met skuurpapier.
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Re: Clutch question

Post by Knuppel »

Glo nie eers dis nodig nie. Ek het nou al so n paar of meskien op 500 clutches gewerk in my tyd en ek sny en balanseer net die flywheel as ek sien of weet dat hy gewap het, of as ek sien dat hy highspots het, of die clutch shudder. Ek is nie bekend met die avanza nie maar weet ook dat party voertuie se flywheel kan jy glad nie sny want hy is gebalanseer saam met die krukas!
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Re: Clutch question

Post by louis fourie »

So, Toyota quote my toe R3900 vir die clutch kit . Kry toe 'n Aisin by Goldwagen vir R1326. Ek kan dit so half bekostig
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Re: Clutch question

Post by Knuppel »

Bargan!
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Re: Clutch question

Post by Mars »

Mooi man. Aisin is goed. Is in elk geval OEM Toyota.
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Re: Clutch question

Post by louis fourie »

Ratkas is in. Alles werk en sal more 'n toetsrit vat
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Re: Clutch question

Post by Knuppel »

Dit is more vandag!

Hoop jou clutch werk nou reg?
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Re: RE: Re: Clutch question

Post by louis fourie »

Knuppel wrote:Dit is more vandag!

Hoop jou clutch werk nou reg?
So vêr werk allesImage
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