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The mkiv Supra Owners Club

Cam Belt Tensioner/Idler


toyo rob

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Just been told that i will need to change my cambelt tensioner and idler pulley, i think he said, apparently its got some bolt configuration that means that it has to be adjusted manually. is that the same on all soop's or is mine 'special'?? isn't it all hydraulic nowadays, or is it mainly hydraulic with slight adjustment by me needed as the blt gets older, only just changed it!!

 

cheers

 

Rob S :swear:

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The tensioner assembly for auto's and manual's are different. The auto has a spung loaded wheel type arrangement IIRC, but the manual has a more complexed mini-damper dype affair.

Either way they aren't adjustable (I mean they are self adjusting! - Well again the manual assembly certainly is self adjusting, I'm pretty sure the auto is as well - but not 100%)

The idle wheel hmmm, I don't know on this one, but at the end of the day it is just an idle wheel so wouldn't need any adjustment as that's all taken care of by the tensioner.

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If you just changed it why would you do it again? If I recall correctly from when I changed out my timing belt, the idler pully is separate from the tensioner. It is a spring loaded device and the only thing that should wear out is the bearings. The tensioner pushes on the idler wheel assembly and should not generally need replacing.

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Right then,

 

sorry it took so long. right there is pictures of the one on the car and pics of a new one bought the other day, which looks a heel of a lot smaller, but ordered with the part number supplied by Paul @ Miami. Tensioner 13540-46030

 

i need help here i think.

 

cheers

 

Rob S :complain:

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no idea what that is on the car with the bolt sticking out of the bottom it looks like a home made affair, is your car manual or auto cos the new one in the bag is for an auto, the bolt heads are 12mm on the tensioner i use a 1/4" drive socket on 2 long extension bars as the back bolt is hard to get at put your new one on then pull the pin (hand grenade stylee) job done

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no idea what that is on the car with the bolt sticking out of the bottom it looks like a home made affair, is your car manual or auto cos the new one in the bag is for an auto, the bolt heads are 12mm on the tensioner i use a 1/4" drive socket on 2 long extension bars as the back bolt is hard to get at put your new one on then pull the pin (hand grenade stylee) job done

 

 

???????????????????????????????? :who:

 

Dude :devil:

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enlighten me ???????????????? dude what does this lot mean it does'nt really help the guy does it !!!!!!!!!!!!!!!!!!!!!!!

 

Never noticed a difference in manual and auto tensioners , ony on the drive belt !!!!

the bolt affair is defo a homemade bodge , frightening really

 

 

 

Dude :cool:

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Never noticed a difference in manual and auto tensioners , ony on the drive belt !!!!

the bolt affair is defo a homemade bodge , frightening really

 

 

 

Dude :cool:

well as i'me strictly an auto man (one to many bike accidents) i have never worked on a manual so forgive my ignorance, it does make you wonder who went to all the time and trouble to bodge the nut and bolt in and more baffling why

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well as i'me strictly an auto man (one to many bike accidents) i have never worked on a manual so forgive my ignorance, it does make you wonder who went to all the time and trouble to bodge the nut and bolt in and more baffling why

 

Yo a fellow biker whos had his sliders confiscated !!!! :cry: :cry: , the drive belt tensioner is totally different on a 6spd but most other stuff is the same dude , though id check incase you knew something i didnt , we can all learn something !!! :eyebrows:

 

Dude :D

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thanks for all the help lads, might keep the old one and have a closer look and see if some investigation yealds any answers as to why??. might even put a picture up, when not on the car, for you knowlegdable types to guess and play with.

 

cheers

 

Rob S

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