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Project: Volvo 850 Repair or Replace Punctured Oil Pan?

If you’ve never used a product called J-B Weld’s epoxy for repairs, this post offers insight into who is using it and for what kind of repairs.

Someone who shall remain nameless drove the 850 over a curb on the way home last night. This morning I found the car parked in a giant puddle of its own oil. The suspension and tires seem to be ok. The aluminum subframe took the brunt of the damage and the oil pan was left with a 1/2″ long incision. Replacing the oil pan is the obvious solution but after really looking into it, I think I’m going to give JB weld a shot first.

tjts1
Punctured Oil Pan
Punctured Oil Pan Cleaned and Prepped

“I’ve been a welder for most of my life, and was the first in my area to own a TIG welder. Aluminum is easy to weld, provided it can be cleaned. Even microscopic amounts of contamination will cause poor weld quality. I run into this all the time, for people with boats and the like will try anything before bringing it to be welded. By then, having to get rid of the epoxy, fiberglass, tar, silicone (you name it) often ruins any chance for a good repair…

copandengr

That said, this would have been an easy repair. I’ve had good luck with JB Weld myself, and believe it or not, JB Weld is an FAA approved repair for certain cracks on Lycoming engine cases. If you replace this pan, save it. A decent weldor can repair it after using heat to make the epoxy turn loose. There’s no point in throwing it away.”

copandengr

Another punctured oil pan

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