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Registered
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843 Posts
Discussion Starter #1
Trying to break loose these F'ing bolts on the cat/exhaust. Not sure I either have the right size wrench or what, damn thing isn't moving!

Anyone know the bolt size off the top of their head? Or a tip/trick to loose the bolts on the cat?
 

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THE1ONE
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501 Posts
Either heat the screw up a bit or WD-40....
 

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<><>Morgen<><>
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879 Posts
I've found the PB Blaster spray works much better at freeing up frozen bolts. It has better penetrating abilities than WD-40.

Ed B.
Awesome stuff! :judge:
 

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SHTNGET
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828 Posts
PB Blaster is the greatest thing know to man, that stuff will melt a Styrofoam cup. lets see some WD-40 do that. Plus i was a GM Mechanic for 6 years and PB is the only thing our parts department stocked cause even they know WD is garbage
 

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Discussion Starter #9
Yea, I've got a bunch of PB Blaster on the sensors, but they aren't budging. I'm having my mechanic friend take a peek at it. Already stripped one sensor nut :(
 
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