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Timing Belt


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Mine is being replaced this coming week.

Paul at ZEN told me that it isnt necessary to DEFINENTLY change the tensioner when you do the belt ..... BUT.....

theres two things here.

1: if the belt is off, and it looks like the tensioner is ok. you fit a new belt but unfortunately the tensioner fails in 5000 miles destroying your engine, was it worth the saving of the extra £100??

2: the hard work is done!! you may as well change the tesioner for a new one!!

thats just my two pennies!!

Edited as i cant F***ing spell!!!

Edited by emoe
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Need advice from all the tech boffins here.

I need my timing belt changed since its a few miles overdue :P but what i want to know is it necessery to fit the full kit or will i get away with just the belt?

Car is a 03WRX with 75,000 miles on the clock. No mechanical issues im aware of.

Any advise welcome.

Cheers.

2007_1122models0037.jpg

as you can see there are many pullys and also a hydraulic tensioner

2007_1122models0025.jpg

her is one of the tensioners ,there are 2 types on scoobys this being the earlier one with lock pin in to hold back the pressure in the piston

2007_1122models0041.jpg

this is what happens when a numpty changes a belt and leaves the crank pully loose

2007_1122models0040.jpg

hope this helps m8 geo

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Always best to change it like already mentioned...just for the peace of mind.

Did my 120,000 mile '99 Turbo 2000 (1.4 bar boost with supporting mods) a few months ago and the tensioner didn't seem too bad but I replaced it anyway as you just don't know when it was replaced last.

I had more trouble with the other pulleys which were really rough if you spun them up by hand, I ended up replacing all of them except one, but this was on a quite a high mileage engine.

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Geo, bit confused here. That is a later style tensioner (the early ones were a separate swivelling pulley with a hydraulic tensioner like a small ram), but you don't have the small idler pulley that fits between the tensioner and the N/S cam pulley. What year of set-up is this from?

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Geo, bit confused here. That is a later style tensioner (the early ones were a separate swivelling pulley with a hydraulic tensioner like a small ram), but you don't have the small idler pulley that fits between the tensioner and the N/S cam pulley. What year of set-up is this from?

hi m8 this is a classic import circa 1995 ,this is also hyd/ you are thinking about the ram type with seperate pully adjuster that the ram pushes onto the cam on the mounting , this car has possibly had an engine change. cheers geo

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