[s-cars] Locked out of Project S6

[qshipq at aol.com]

Chicago certainly qualifies as the "rust belt" Fred...  Locks can corrode to the point of no return, I have a hard time believing that on an S car, and it's been quite some time since I've seen one in a trigger style lock.  I've worked on several S cars over the years with locks that have been neglected in favor of the remote.  IME, the very last resort is to pull the assembly.  As a rule, I start (and finish) with white lithium grease.  G0527782A2 is a good oil to use if locks get water in them, especially in winter and/or the key flap is compromised.  It's a silicon based spray ala TriFlo or Superlube (good substitutes if -82A2 silicone type is your preference).   As a rule in lock cylinders of all types, I prefer white lithium grease.  It lasts longer than silicone sprays, it's easily cleaned and relubed with just another application, and resists water/corrosion better than silicone sprays.   

The very last thing is to pull the door apart IMO/E.  At that point, the locking assembly should just be replaced, as the incremental cost vs time on that project isn't worth putting the old pot steel back in.  

HTH and my .02

Scott J
CRL

 


 

 

-----Original Message-----
From: Fred Munro <munrof at sympatico.ca>
To: qshipq at aol.com; walbum1 at verizon.net; s-car-list at audifans.com
Sent: Fri, Jul 9, 2010 10:45 am
Subject: RE: [s-cars] Locked out of Project S6


Scott;


It may depend on where the car is driven. If it is from the sun belt, the

lube may turn to glue. Here in the rust belt where I live, the pins corrode

into the pin carrier. If you'd like to see what happens to unused lock

cylinders in the land of salt and snow, I can send you some photos of the

corroded locks I've stripped. No lithium lube spray was going to free up

those puppies!

Once freed up, twice yearly application of Audi's lock cylinder lube

G052778A2 and routine use keeps them working fine.

There is another problem these locks can develop as they corrode. The flap

that seals off the keyhole hangs up in the cylinder and doesn't close

completely. This lets water into the cylinder and hastens the internal

corrosion. Sometimes you can free up the flap from outside, sometimes you

have to take the lock apart.



Fred Munro

'97 S6

















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