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When i try to put my volvo S40 in reverse the gears crunch..changed the slave on the clutch and bled also changed the front gear linkage,,,HELP its still doing it.
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reverse on most cars is a canary gear, (coal mine refr)
it is a square cut gear and has no sychromesh parts.
so loves to grind or even balk !, if clutch disk drags even the most tiny about
it means the bleed was not done fully and correct
dont feel bad, clerical clutch lines are super hard to bleed
you forcing fluid DOWN to the slave bleed (niPPLe-zerk)_
and air bubbles want top float up.
a war happen here in counter forces.
in the Chev , factory they used pressure bleeding to do it faster.
or you removed clutch linkage? and put it back wrong
ok told 2 of 4 causes.
not told the job you did only a CHANGE word
did you pull the transmission, says the blind guy me?
most cases the slave and master cylinder were bad
100% sure this ,, if the MC, reservoir was dry .
the fluid leaks out mostly while driving UNSEEN by you until
oops cap off reservoir and its dry or drops day by day.
the most common fault is what you have stated
clutch plate in back to front
the clutch plate hub hits on the flywheel bolt heads and the plate is still driven making 1st and reverse gears difficult to select without crunching them
Before you race out and replace the clutch which will not be cheap for your car have a good look at the slave cylinder for leaks . Check and bleed the clutch system and have the clutch m/cyl checked. Crunching gears means the clutch system is not disengaging properly
Well, it sounds like the clutch cylinder / clutch linkage is not properly adjusted or the clutch cylinder is not fully bled, or it is malfunctioning -- it's not fully depressing the pressure plate when the pedal is pushed down, therefore, the clutch is still engaged.
clutch hydraulics should be ok could be clutch plate sticking on input shaft splines i would drain and refill gearbox with correct grade of oil then try it try putting clutch down wait a few seconds before selecting reverse see if this helps you
Im having a job trying to under stand your clutch problem but will try...
If you are loosing either pressure or clutch fluid then the cylinders Master and Slave Cylinder have to be either repaired or replaced.. but if the clutch has good pressure but as you say crunch into Reverse gear it should also do it in 1 and 2sec gears but if only reverse and 4th gear then the 4th gear scrinco is no good and the clutch plate assy also has to be replaced at the same time as the gear box is out to be repaired.. its a big job .
So let me know how you get on ... Ron
Sounds as if the clutch plate was put in upside-down or it was forced together during the install process, also could be slave-cylinder not bled properly, and some VWs also have electrical relays or switches for sync assistance.
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