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EVAP Service Port
Hi Anyone know where this is located? I thought it would be by Purge Valve on manifold but no luck. Trying to track down an emissions leak with smoke machine. Is it underneath somewhere? Please help Thank You- Jb32172
- Thread
- Replies: 5
- Forum: Engine & Drivetrain
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Customer Service?
Just curious if anyone who has had a BB Autocal tune can chime in...how long does it take them to respond to discuss your tune? I emailed them my files yesterday and was hoping to hear from someone today. Unable to reach anyone by phone its all done through email I guess?. Or do they only...- Jb32172
- Thread
- Replies: 11
- Forum: Black Bear Performance
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2008 Yukon XL Denali Exhaust Bolt Size?
Hi. I have 2 exhaust manifold bolts that are missing heads and small exhaust leak. I've read this is common and would like to just remove all factory bolts and upgrade to ARP or other aftermarket bolts. Does anyone know size and or suggestions for replacement? Thx for your time- Jb32172
- Thread
- Replies: 0
- Forum: Engine & Drivetrain
