HTX1811
Well-Known Member
- First Name
- HC
- Joined
- Mar 3, 2020
- Threads
- 26
- Messages
- 658
- Reaction score
- 1,439
- Location
- Houston, TX
- Vehicle(s)
- 19 Ranger STX 4x4,16 Audi A7
- Occupation
- Retired
I used some Kroil liberally on the 3 downpipe bolts and O2. Let it soak a while then hit them again. Then I used a cheater bar to get the leverage to break the DP bolts loose. Definitely was not able to budge them with out a cheater bar. Even then I exerted maximum effort and I’m not a small guy. I don’t know how much force I used but it was substantial. They finally broke loose.
O2 did not require the cheater bar.
I concur!My go to for stubborn bolts, etc is Kroil - creeping oil:
https://www.amazon.com/Kano-Sili-Kroil-Penetrating-aerosol/dp/B0036RNKCO
It isn't cheap, but it is incredible stuff - it sucks itself into the threads - much better than regular penetrating oil (PB blaster, WD40, Liquid Wrench, etc). I just used it yesterday to free up a frozen brass plumbing fitting.
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