You nailed it. All those WD40 type of "lubricants" attract dust, etc., and jam
up the lock cylinder. Use a dry film lubricant, that uses a solvent that acts as
a carrier and evaporates. Leaving behind the dry film of graphite, moly disulfide, Teflon, etc.
Dry graphite was always the choice, messy, but effective. Used this type of lube on the
vent / heater cables on the 220D, and wow, what a difference, smooth operation.
From: diesel_mercedes@yahoogroups.com [mailto:diesel_mercedes@yahoogroups.com]
Sent: Thursday, October 30, 2014 6:53 AM
To: diesel_mercedes@yahoogroups.com
Subject: [diesel_mercedes] Routine Lock Lubrication
Go to Chrysler / Jeep Dealer and ask the Parts Dept. guy for " Heat Riser Solvent " ~ it comes in a shaving cream can (remember those ?) with a plastic snorkel in the nozzle , what it is is graphite in a light carrying fluid that you shoot into the key holes and them work the key back and forth a few times , have a clean rag handy as you should spray it in the keyhole until it burps back out .
This same product will work wonders on every key lock you have , NOW is the time of year to do every lock on the property so they'll work easily and smoothly until spring .
DO NOT get suckered into using WD40 or other worthless crap in key locks ! it's a solvent that washed the dirt and lubricant out allowing temporary ease of operation as the lock's delicate innards rapidly grind them selves to death .
I have posted the MoPar P/N before .
-Nate
Max Asked wrote :
I went to lock my car (80-240) the other day, the locks have always worked good, but this time the key would hardly turn, I did lock it, very carefully, it felt like the key might break if I turned it normal like. Is my car getting old or something? What to do? Max
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