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Duralast Slave Cylinders?


So far, PB Blaster has succeded only in deforming the rubber gasket at the top of the clutch reservoir. I'll post back and let you guys know if it ends up stoping the leak. As of right now im replacing the slave with a napa slave on wednesday, unless it stops leaking.
 
I am changing the 5th Duralast one right now. Autozone is tired of me as I have been warrantying them back in. Finally got a Napa one that is made in the US.
 
I have all autozone clutch components in mine. I just did a new clutch (everything) while the trans was out for a suspected leaking rear main. They were almost all AZ part installed and when we pulled the trans I just took all back and got new again at no charge. I have been az parts for over 100000 miles with no issues. The one slave they gave me initially was sent back as it was defective at the throw out bearing collar. They took it back no questions.
I have in the past installed the premium brand ones and they lasted no better than any other, plus had no long term warranty! All parts are subject to defects and AZ is no different. OEM can be bad, NAPA are from what Ive been told all from china now also so everything is pot luck. Yes it is a PIA to redo but just think if it had been a premium brand you would be SOL.

Forgot to add, if changing one part be prepared for the other to fail. I did the slave only master failed, did a master only slave failed! These were not AZ parts BTW. One was the premium slave the other was the master on the truck when we got it.
 
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I went through 3 or 4 Autozone slave cylinders in my F-150. Usually the first really cold day that I drove the truck, the seal would start leaking. The last one that went had a leaky seal and then one fine evening the whole thing locked up tighter than a miser's wallet. Tighter than the hubs of hell. Had the clutch pedal on the way down when it locked up and since I just automatically pushed a little harder, I blew apart the plastic pushrod on the master cylinder.

At that point, I went looking for a ZF-5 to stick in the truck. I ended up buying AZ parts for the clutch, but the ZF took a slave cylinder with a metal housing and I played with years until I came up with a master cylinder that was all metal too. We'll see how the metal one holds up compared to the plastic crap.
 

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