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The mkiv Supra Owners Club

replace fan belt? big job?


simonas

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I take it its just the accessory your changing...if so then its a 30min job at the very most. Have to undo 4 bolts to take the viscus van off, then pull the tensioner back with some brut force.

 

If you were closer i would do it for you, but i wouldnt pay more than £50 all in.

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its a 30min job at the very most. Have to undo 4 bolts to take the viscus van off
No need to remove the viscous fan. It's a 5-10min job then.

Just put a 14mm socket with decent length breaker bar (for the leverage) on the belt tensioner pulley's centre nut and rotate the tensioner clockwise.

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yes it is easy but a gotcha is shearing the 14mm bolt (as my 'friend' :rolleyes: once did :D ).

 

You need to try and apply the leverage from imo a horizontal plain (3 o'clock if viewing from the front of the car) or lower (ideally in the 6 o'clock positon - but this requires removal of the undertray which is simple but takes time)

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yes it is easy but a gotcha is shearing the 14mm bolt (as my 'friend' :rolleyes: once did :D ).

 

You need to try and apply the leverage from imo a horizontal plain (3 o'clock if viewing from the front of the car) or lower (ideally in the 6 o'clock positon - but this requires removal of the undertray which is simple but takes time)

 

Good advice.

The natural thing to do is attack the bolt from as close to vertical as possible. This has the effect of tightening the bolt as well as rotating the tensioner.

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  • 4 weeks later...
MArks post, up there ^^^^^ does.

 

For extra thrill points, take the old belt off without looking at it, then try to work out how the new belt goes round everything.

I did that! Then the missus spotted the handy diagram stuck on the inside of the bonnet. How stupid did I feel right then? :D

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