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Locking gas cap freezing up

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ALE8-1

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I bought the locking gas cap from Mopar but during the winter it freezes up and I can not use it,has anyone had this problem?I have noticed that when I remove it there is alot of moisture that runs out of it,I do not have this problem with the stock cap. Could this be a venting problem?I do not want moisture building up in my tank. Thanks
 
That happens to me too here in Salt Lake city.

I havent noticed moisture on the inside but I think that the freezing is from water and outside temps... etc. I haven't noticed any ill effects either. been on 2 yrs.

I use a fuel additive at every fuel up to help combat any possible problems... .

Eric
 
I have had a Mopar locking cap on mine for 5 1/2 years, no problems. Did you try spraying WD-40 or something similar into the lock cylinder?
 
You should use lock lubricant, which is powdered graphite. WD40 is OK in a pinch, but I would never use oil. Oil will screw up lock mechanisms. One old retired Navy guy soaked a stuck lock in diesel fuel and it freed up. :confused: . But I repeat, use powdered graphite to lube locks. It is cheap and available at most any hardware store.
 
Here is a picture of the cover I made for all my Dodges. A heavy piece of rubber, cut to fit around the filler neck. It's riveted in place with 3 Avex Hole Filling rivets with back-up washers. The flap folds down over the locking gas cap before the door is closed. When it's up and you are fueling it prevents rain or snow from getting into the fuel. It works good.
 
Originally posted by ALE8-1

I bought the locking gas cap from Mopar but during the winter it freezes up and I can not use it,has anyone had this problem?I

Took off with my son in our truck and camper for a snowboarding trip in Austria just before Christmas and the lowest temps we recorded were -12degrees C. Winter pre-prep included a dash of WD-40 as a lubricant - worked like a charm
 
WD-40 is good for some things but not locks. It is a Dust and Dirt magnet once the solvents dissolve. WD-40 can also attack some components of the lock its self. If you are going to try to lube it use a mixture of graphite and rubbing (Isopropyl) alcohol in a goldminer's shnuffer (sp?) bottle and inject the mixture into the lock. The alcohol is used as a carrier. Once the alcohol disolves nothing is left but the graphite.
 
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