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Buick Lucerne Forum
Rescuing a 2007 Lucerne CXS with a Northstar
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<blockquote data-quote="TT99C5" data-source="post: 373999" data-attributes="member: 63263"><p>So no updates really. I've been out messing with it a couple of times. </p><p></p><p>First bugs......codes. LOTS of them. P0036, P0102, P0412, P0418, P0480, P0481. Doing some research, I found several instances of these EXACT codes showing up at the same time. Wiring issues (chaffed, broken, grounded), F21 fuse in the underhood fuse box, bad connection at the main connector for engine removal/drop. I had already gone over the harness while the engine was out. F21 fuse showed continuity across the back. I reset the main connector and put a new fuse into F21......problem went away. BUT......P0352 showed up and kept coming back. Took one of the 8 extra coils I had and that went away and didn't recur. Ok, feeling better about the state of things. </p><p></p><p>Brakes. Will. Not. Bleed. I vacuum bled at each corner until I pulled fluid, and that got the brakes functional but with a horribly soft pedal. Manual bleeding doesn't yeild any air but you can feel trapped air via the pedal. Continued vacuum and manual bleeding shows the rears are trying, front left will spit a little, front right does almost nothing. I have a feeling it needs an ABS bleed, so I've just today ordered a VXDiag VCX Nano and will use the Tech2Win software to complete this. If that doesn't do it......I'll be confused because the car has an obviously new master cylinder on it. I'm pretty sure it's just a massive amount of air trapped in the ABS block. </p><p></p><p>As expected, it has the Service Stabilitrak messages along with some others. I just put together some 10w 2ohm resistors and plugged those in today but I don't think I connected everything I needed (Has an ABS light but no ABS code showing on the scanner, think I left a sensor unplugged) so the Stabilitrak light is still showing. I NEED to get that cleared up because it won't pass inspection otherwise.</p><p></p><p>My biggest thing is the brakes. If I can get those solid, then I can drive the car home, and have a LOT easier access to work on it and mess with it in my spare time. I'm sick and tired of driving 30 minutes each way to spend and hour or two accomplishing nothing because I need this, forgot that, need to research this, etc.</p></blockquote><p></p>
[QUOTE="TT99C5, post: 373999, member: 63263"] So no updates really. I've been out messing with it a couple of times. First bugs......codes. LOTS of them. P0036, P0102, P0412, P0418, P0480, P0481. Doing some research, I found several instances of these EXACT codes showing up at the same time. Wiring issues (chaffed, broken, grounded), F21 fuse in the underhood fuse box, bad connection at the main connector for engine removal/drop. I had already gone over the harness while the engine was out. F21 fuse showed continuity across the back. I reset the main connector and put a new fuse into F21......problem went away. BUT......P0352 showed up and kept coming back. Took one of the 8 extra coils I had and that went away and didn't recur. Ok, feeling better about the state of things. Brakes. Will. Not. Bleed. I vacuum bled at each corner until I pulled fluid, and that got the brakes functional but with a horribly soft pedal. Manual bleeding doesn't yeild any air but you can feel trapped air via the pedal. Continued vacuum and manual bleeding shows the rears are trying, front left will spit a little, front right does almost nothing. I have a feeling it needs an ABS bleed, so I've just today ordered a VXDiag VCX Nano and will use the Tech2Win software to complete this. If that doesn't do it......I'll be confused because the car has an obviously new master cylinder on it. I'm pretty sure it's just a massive amount of air trapped in the ABS block. As expected, it has the Service Stabilitrak messages along with some others. I just put together some 10w 2ohm resistors and plugged those in today but I don't think I connected everything I needed (Has an ABS light but no ABS code showing on the scanner, think I left a sensor unplugged) so the Stabilitrak light is still showing. I NEED to get that cleared up because it won't pass inspection otherwise. My biggest thing is the brakes. If I can get those solid, then I can drive the car home, and have a LOT easier access to work on it and mess with it in my spare time. I'm sick and tired of driving 30 minutes each way to spend and hour or two accomplishing nothing because I need this, forgot that, need to research this, etc. [/QUOTE]
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Past Buick Vehicle Discussion
Buick Lucerne Forum
Rescuing a 2007 Lucerne CXS with a Northstar
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