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2007 Navigation Turning on/off Intermittently After New BCM?
So I’ve been battling with my 2007 Denali for over a year to get it running. First a bad PCV valve, then a bent intake valve causing loss of compression/misfire, machine shop fixed the head, bad starter, fuses, relays, etc...electrical gremlins. Probably due to the BCM going to sh*t, which I...- CAPT75
- Thread
- Replies: 8
- Forum: Audio & Electronics
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No crank/start after replacing intake manifold. Security lock out?
Totally stumped again. A while back I posted about replacing my cylinder head when I was misfiring due to a bent intake valve. I was getting weird messages on the gauge cluster info screen, no crank/start, and power to some but not all accessories. I replaced the starter, no change. Ignition...- CAPT75
- Thread
- Replies: 6
- Forum: Engine & Drivetrain
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2007 Denali wont start after cylinder head replacement
Hello all, I'm incredibly stumped. After almost 4 months (due to lack of free time) of my truck sitting in the garage, i finally got it all together and the damn thing won't start. I discovered that cylinder 5 had zero compression. I pull the head and one of the valve seats is about 1/4" out of...- CAPT75
- Thread
- Replies: 19
- Forum: Engine & Drivetrain
