How can I get lubricant into the side door ecposed hinges? This is my third GMC.Chevy work van and all had/have the same problem. No matter how much Liquid Wrench/WD 40 I pour on them I can'r get the
2007 GMC 1500 work van. Exposed hinges have no grease fittings and penetrating oils will not do the trick.
There is a lithium spray lubricant that has more staying power than the fine penetrating sprays like wd 40. Might want to try it.
PB Blaster it is what I use in my shop, it works wonders.
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