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Heavy Clutch Pedal Toyota Avensis 2.0 D4D 1Cd-Ftv 2006


avensisd4d786
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not my own car but one in the family.

had the car since 84,000 it was a dream back then now has 141,000 heaviness started at around 120,000

dreaded heavy clutch is making town driving a pain.

I know its either going to be the master cylinder or the pressure plate/that's causing it.

This car is the last model of the 1cd engine its on a 06.

my question is;

is there a way to test if the master cylinder is at fault, ie is there a way to disconnect something to test maybe disconnect the slave. rather than just changing the clutch kit

there is no difficultly getting the car in gear or any clutch slipping it bites the same place as it did on 84k.

I hope someone can help.

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Faulty master/slave cylinders are rare more common is:

Worn clutch cover ( fit new clutch )

Sticking/seized clutch release fork ( strip, clean & lube release fork and whilst box is out fit new clutch )

Poorly bled/old clutch hydraulic fluid ( change/bleed clutch hydraulics )

The sticking release fork was a known issue that used to be covered under warranty.

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Faulty master/slave cylinders are rare more common is:

Worn clutch cover ( fit new clutch )

Sticking/seized clutch release fork ( strip, clean & lube release fork and whilst box is out fit new clutch )

Poorly bled/old clutch hydraulic fluid ( change/bleed clutch hydraulics )

The sticking release fork was a known issue that used to be covered under warranty.

Thank you Lee.

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I have a donor car which has a normal stiffness for a clutch, do you think it maybe worth swapping the master cylinders.

or are you strong advising its the clutch cover/pressure plate. I want to be sure as its a big job and there is more money involved.

Thanks again

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External slave cylinder and not a csc im assuming.

Remove slave from mounting but keep connected to pipe.

Have someone hold light pressure on actuator so theres no chance of it popping out the cylinder whilst you press clutch pedal.

Then make your decision of how pedal feels

Id bet its gbox removal and clean up release fork and release bearing guide as hydraulics dont just go stiff one direction

If you had a kinked hose causing restriction 99% of time it would be lazy on the return causing noticable slip on gearchange.

Another consideration is has someone put wrong heavier return spring on arm causing resistance.

Trampoline springs are way too heavy lol

Nothing fouling release lwver operation?

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thanks Rob,

not sure if I can remove slave cylinder without disconnecting from pipe. will have a look one day.

to be honest with you if I remove box its false economy not to do the clutch as its 140,000 and will be 200,000 this time next year.

nope not wrong spring I know the car.

Nothing fouling release lwver operation? not sure what this means sorry
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Meaning is nothing like a hose, wiring or trim getting caught in the movement in the lever making it feel stiff to operate

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No mate its common on these, I wanted to know if I could test the master cylinder somehow, once depressed it springs back how it should.

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