I an getting some AC Delco Racings plugs sent from 1995SSEI. i've run three bottles (minus alot of purges) on platinum plugs and gonna hold off on any more till I get the new ones installed. The OEM's gotta be ready to "glow" and dont want a predetonation. I put up a post in Performance section and the S/C guys gave me some pretty good things to consider and I went with AC Delco 441LT. It is one and a half ranges colder than stock and has a recessed tip to prevent detonation and should work out great for nitrous. I am going to let Mr. Goodwrench put them in, when my replacement fog lamp harness gets here. My cars going back into the custom shop early next week to convert to all air suspension so hopefully the harness will be at dealer by the time it comes out. I'm having the Dexcool drained and flushed out totally. And switching to green, when the harness arrives so the cars gonna be there a day anyway. And might as well let them do plugs. I guess I'm getting old, but I just dont want to go through the hassle and it's looks like a f n bittch to get them back plugs out and my legs say dont do it :roll: It's gonna be real interesting..... The car hasnt been there since paint, wheels and Nitrous/purge kit and I cant wait to see their faces.
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OK ,.. I got list of TSB"S some concern all models, and some oertain to only GXP, Your gonna cry when you see whats in store as you rack up miles.... IFanyone finds more please post them and I will add.
Component Description: 1. STEERING Bulletin Number: 010232001F Bulletin Date: FEB 2006 Vehicle: 2005 Pontiac Bonneville Summary: CLUNK FELT/NOISE HEARD FROM STEERING COLUMN, STEERING GEAR AND/OR FRONT OF VEHICLE DURING TURNING MANEUVER AND/OR STEERING WHEEL ROTATION. ( NHTSA ITEM NUMBER - 10019516 ) Component Description: 2. ENGINE AND ENGINE COOLING:ENGINE Bulletin Number: 050601035 Bulletin Date: DEC 2005 Vehicle: 2005 Pontiac Bonneville Summary: L26, L32,L36, L67 EXCESSIVE OIL CONSUMPTION (REPLACE EXHAUST VALVE STEM SEALS). ( NHTSA ITEM NUMBER - 10019599 ) Component Description: 3. ENGINE AND ENGINE COOLING:ENGINE Bulletin Number: 050601035 Bulletin Date: DEC 2005 Vehicle: 2005 Pontiac Bonneville Summary: L26,L32, L67 EXCESSIVE OIL CONSUMPTION (REPLACE EXHAUST VALVE STEM SEALS). ( NHTSA ITEM NUMBER - 10019581 ) Component Description: 4. VEHICLE SPEED CONTROL Bulletin Number: 050604058 Bulletin Date: SEP 2005 Vehicle: 2005 Pontiac Bonneville Summary: INTERMITTENT CHUGGLE OR FISHBITE ON LIGHT ACCELERATION OR A HIGHWAY SPEEDS WITH NO DIAGNOSTIC TROUBLE CODES (DTCS). ( NHTSA ITEM NUMBER - 10017568 ) Component Description: 5. STRUCTURE:BODY Bulletin Number: 050898003 Bulletin Date: SEP 2005 Vehicle: 2005 Pontiac Bonneville Summary: LAMINATED STEELS - GENERAL INFORMATION AND SPECIFIC REPAIR PROCEDURES FOR LOWER RAIL REPLACEMENT AND FRONT INNER HINGE PILLAR BODY REPLACEMENT. ( NHTSA ITEM NUMBER - 10017851 ) Component Description: 6. ENGINE AND ENGINE COOLING Bulletin Number: 709 Bulletin Date: SEP 2005 Vehicle: 2005 Pontiac Bonneville Summary: OIL LIFE SYSTEM RESET PROCEDURES - CARS. GM TECH LINK. ( NHTSA ITEM NUMBER - 10018126 ) Component Description: 7. EXTERIOR LIGHTING:FOG LIGHTS Bulletin Number: 050842013 Bulletin Date: SEP 2005 Vehicle: 2005 Pontiac Bonneville Summary: FOG LAMP INOPERATIVE, FOG LAMP BULB BURNS OUT PREMATURELY. ( NHTSA ITEM NUMBER - 10017571 ) Component Description: 8. VISIBILITY Bulletin Number: 050864012 Bulletin Date: MAY 2005 Vehicle: 2005 Pontiac Bonneville Summary: WINDOWS SLOW, INOPERATIVE OR BINDING. ( NHTSA ITEM NUMBER - 10017350 ) Component Description: 9. EQUIPMENT Bulletin Number: 030848005A Bulletin Date: MAR 2005 Vehicle: 2005 Pontiac Bonneville Summary: COMPASS ZONE ADJUSTMENT AND CALIBRATION PROCEDURE DURING PRE-DELIVERY INSPECTION. VARIOUS MODELS INCLUDING 2002-2004 LIGHT DUTY TRUCKS. ( NHTSA ITEM NUMBER - 10005564 ) Component Description: 10. STRUCTURE:BODY Bulletin Number: 050861002 Bulletin Date: MAR 2005 Vehicle: 2005 Pontiac Bonneville Summary: FLOOR PAN CORROSION PERFORATION IN BATTERY COMPARTMENT. ( NHTSA ITEM NUMBER - 10013452 ) Component Description: 11. POWER TRAIN:AUTOMATIC TRANSMISSION Bulletin Number: 03112005 Bulletin Date: MAR 2005 Vehicle: 2005 Pontiac Bonneville Summary: TICK OR KNOCK NOISE FROM THE TORQUE CONVERTER FLYWHEEL FLEX PLATE. ( NHTSA ITEM NUMBER - 10014861 ) Component Description: 12. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER Bulletin Number: 050850003 Bulletin Date: JAN 2005 Vehicle: 2005 Pontiac Bonneville Summary: HEATED SEAT INOPERATIVE AFTER REPAIR WITHIN ONE WEEK OF USAGE. ( NHTSA ITEM NUMBER - 10013449 ) Component Description: 13. EQUIPMENT:ELECTRICAL:AIR CONDITIONER Bulletin Number: 612 Bulletin Date: DEC 2004 Vehicle: 2005 Pontiac Bonneville Summary: AUTOMATIC CLIMATE CONTROL DIFFICULT TO MAINTAIN THE INSIDE TEMPERATURE OR THE BLOWER SPEED STAYS TOO HIGH. GM TECH LINK. ( NHTSA ITEM NUMBER - 10015778 ) Component Description: 14. ENGINE AND ENGINE COOLING:ENGINE Bulletin Number: 040604060 Bulletin Date: SEP 2004 Vehicle: 2005 Pontiac Bonneville Summary: ENGINE CRANKS BUT DOES NOT START, NO INJECTOR PULSES, DIAGNOSTIC TROUBLE CODE CODES P0118, P0122, P0335, P0385, P0412, AND/OR P0340 SET. ( NHTSA ITEM NUMBER - 10011044 ) Component Description: 15. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL Bulletin Number: 08252004 Bulletin Date: AUG 2004 Vehicle: 2005 Pontiac Bonneville Summary: HANGTAG PLACEMENT ON STERING COLUMN. ( NHTSA ITEM NUMBER - 10013094 ) Component Description: 16. ENGINE AND ENGINE COOLING:ENGINE Bulletin Number: 0804 Bulletin Date: AUG 2004 Vehicle: 2005 Pontiac Bonneville Summary: OIL LIFE SYSTEM RESET PROCEDURES - CARS. ( NHTSA ITEM NUMBER - 10014346 ) Component Description: 17. VISIBILITY:DEFROSTER/DEFOGGER SYSTEM:WINDSHIELD:BLOWER Bulletin Number: 02118 Bulletin Date: JAN 2004 Vehicle: 2005 Pontiac Bonneville Summary: DRONING SOUND FROM HVAC BLOWER SYSTEM. SERVICE VME. ( NHTSA ITEM NUMBER - 10007449 ) Component Description: 18. ELECTRICAL SYSTEM Bulletin Number: 3015 Bulletin Date: JAN 2004 Vehicle: 2005 Pontiac Bonneville Summary: MULTIPLE STABILITRAK/PRECISION CONTROL CODES SUCH AS C1282, C1283, C1284, C1285, C1287, AND C1288 EXIST ON DELPHI BOSCH 5.0 OR 5.3 SYSTEMS. ( NHTSA ITEM NUMBER - 10008897 ) Component Description: 19. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC. Bulletin Number: 3106 Bulletin Date: JAN 2004 Vehicle: 2005 Pontiac Bonneville Summary: XM RADIO WAS WORKING PRIOR TO JULY 26, 2004 AND IT IS INOPERATIVE NOW. ( NHTSA ITEM NUMBER - 10010132 ) Component Description: 20. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM) Bulletin Number: 3120 Bulletin Date: JAN 2004 Vehicle: 2005 Pontiac Bonneville Summary: ONSTAR CENTER UNABLE TO PERFORM REMOTE DIAGNOSTIC. (2004-2005 CHEVROLET YUKON, 2005 CHEVROLET TRAILBLAZER, 2002, 2003, 2005 BUICK RAINIER, 2005 CHEVROLET EXPRESS VAN, AND 2005 CADILLAC SEVILLE) ( NHTSA ITEM NUMBER - 10010109 ) Component Description: 21. ENGINE AND ENGINE COOLING:ENGINE Bulletin Number: 3007 Bulletin Date: JAN 2004 Vehicle: 2005 Pontiac Bonneville Summary: 3.8L ENGINE OIL CONSUMPTION. ( NHTSA ITEM NUMBER - 10008786 ) Component Description: 22. ENGINE AND ENGINE COOLING:ENGINE Bulletin Number: 3006 Bulletin Date: JAN 2004 Vehicle: 2005 Pontiac Bonneville Summary: ENGINE MECHANICAL NOISE. VARIOUS MODELS INCLUDING THE 2005 PONTIAC GRAND PRIX. ( NHTSA ITEM NUMBER - 10008859 ) Component Description: 23. SERVICE BRAKES, HYDRAULIC:ANTILOCK:ABS WARNING LIGHT Bulletin Number: 02141 Bulletin Date: JAN 2004 Vehicle: 2005 Pontiac Bonneville Summary: REPEAT ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT WITH DIAGNOSTIC TROUBLE CODE (DTC) C1225. VARIOUS MODELS INCLUDING 2005 CADILLAC DEVILLE. ( NHTSA ITEM NUMBER - 10008869 ) Component Description: 24. EQUIPMENT Bulletin Number: 3050A Bulletin Date: JAN 2004 Vehicle: 2005 Pontiac Bonneville Summary: 02-05 ONSTAR EQUIPPED VEHICLES EMITTING BEEPING NOISE BEFORE CONNECTING TO ONSTAR. ( NHTSA ITEM NUMBER - 10009623 ) Component Description: 25. POWER TRAIN:AUTOMATIC TRANSMISSION Bulletin Number: 3692 Bulletin Date: JAN 2001 Vehicle: 2005 Pontiac Bonneville Summary: TICKING OR KNOCKING NOISE, CRACKED OR BROKEN FLEXPLATE. ( NHTSA ITEM NUMBER - 10019447 ) Component Description: 26. SUSPENSION Bulletin Number: 3249 Bulletin Date: JAN 2001 Vehicle: 2005 Pontiac Bonneville Summary: HIGH SPEED SHAKE OR VIBRATION. ( NHTSA ITEM NUMBER - 10011691 ) Component Description: 27. ENGINE AND ENGINE COOLING Bulletin Number: 3313 Bulletin Date: JAN 2001 Vehicle: 2005 Pontiac Bonneville Summary: ENGINE VIBRATION AT IDLE IN GEAR. ( NHTSA ITEM NUMBER - 10017212 ) Component Description: 28. POWER TRAIN:AUTOMATIC TRANSMISSION Bulletin Number: 3487 Bulletin Date: JAN 2001 Vehicle: 2005 Pontiac Bonneville Summary: NO 1ST OR 2ND GEAR - THIRD GEAR START. ( NHTSA ITEM NUMBER - 10017296 ) Component Description: 29. ENGINE AND ENGINE COOLING Bulletin Number: 3383A Bulletin Date: JAN 2001 Vehicle: 2005 Pontiac Bonneville Summary: OIL INDICATOR ILLUMINATED IN THE INSTRUMENT PANEL / VERY LOW (ZERO) OIL PRESSURE. ( NHTSA ITEM NUMBER - 10018631 ) Component Description: 30. POWER TRAIN Bulletin Number: 3296 Bulletin Date: JAN 2001 Vehicle: 2005 Pontiac Bonneville Summary: DRIVE SPROCKET SUPPORT BEARING MISSING OR DTC P0741 AND P0742. ( NHTSA ITEM NUMBER - 10017143 ) Component Description: 31. POWER TRAIN:AUTOMATIC TRANSMISSION Bulletin Number: 3102 Bulletin Date: JAN 2001 Vehicle: 2005 Pontiac Bonneville Summary: SERVICE VME 01-04 VEHICLE EQUIPPED WITH 4T65E AUTOMATIC TRANSMISSION 4T65E TRANSMISSION VALVE BODY INSPECTION PROCEDURE. (TO INCLUDE 2004 PONTIAC AZTEC) ( NHTSA ITEM NUMBER - 10010237 ) Component Description: 32. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER Bulletin Number: 3253A Bulletin Date: JAN 2001 Vehicle: 2005 Pontiac Bonneville Summary: HEATED SEAT INOPERATIVE AFTER SEAT ELEMENT REPLACEMENT. ( NHTSA ITEM NUMBER - 10017161 ) Component Description: 33. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS Bulletin Number: 3483 Bulletin Date: JAN 2001 Vehicle: 2005 Pontiac Bonneville Summary: POWER WINDOW INOPERATIVE, NOISY OR GLASS DROPS. ( NHTSA ITEM NUMBER - 10017398 ) Component Description: 34. POWER TRAIN:AUTOMATIC TRANSMISSION Bulletin Number: 3692A Bulletin Date: JAN 2001 Vehicle: 2005 Pontiac Bonneville Summary: TICKING OR KNOCKING NOISE CRACKED OR BROKEN FLEXPLATE. ( NHTSA ITEM NUMBER - 10019432 ) Component Description: 35. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER Bulletin Number: 3365A Bulletin Date: JAN 2001 Vehicle: 2005 Pontiac Bonneville Summary: TICKING OR KNOCKING NOISE CRACKED OR BROKEN FLEXPLATE. VARIOUS MODELS INCLUDING OLDSMOBILE BONNEVILLE 2006. ( NHTSA ITEM NUMBER - 10017095 ) |
I am still searching for site where text of this Bullitens can be found. If any body knows of one please post or if you have a particular one also. Would be nice to make each TSB listing a clickable link to the text of bulletin.
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In a recent conversation with GM Rep at a custom Show I learned a little more of an issue with head bolts "popping" out. I heard of this on aging high mileage LD8's but had'nt considered it a real issue till now. He felt the boost of nitrous could be enough to pop a head bolt because the issue happens to much newer ones as well. Alot from overheating and others "just because". Whats compounds this is it's alot of time the issue doesnt show itself right away and antifreeze leaks into cylinders and head warpage occurs.
I have done some limited digging and finding what he mentions. There is a rebuild kit and I will post in the "GXP N* Parts List I plan to get in here soon.This really rains on an already cloudy N* situation. I'm not planning to take out my nitrous but really wonder how much modding the heads can accept.? |
Great info John...
While digging into the heads isn't the preferred thing to do on such a new car. I've seen many cars that are shipped to a performance shop and ripped down w/zero miles on them. If someone has the guts to rip it apart and redo it better than before...(slaps John on back) you are the man. A little porting...polishing..headwork etc... let's see what a N* is really capable of when someone has the guts to lead into the great unknown as you already have. :nxsmile: |
Venom that list is huge and I hope I don't run into issues @ 20k miles.
I sure do enjoy my GXP though! HBomb |
Glad to see another N* member aboard H Bomb and even with all the TSB's.... we do have some higher mileage GXP' with no problems yet. Sems to be a rash of "Made on Mondays Syndrome" here, mine included.
Bill I thought about the possibility of pulling the heads but not many headshops with any N* experience and refiiting all the head bolt zerts and having them hold an expensive dicey game of chance, And as for porting, polishing etc. :shock: Cant be done. the valve seats and guides are powder coated and cant even be rebuilt let alone modded. The heads are considered disposable and key rebuild parts are unavailable let alone higher performance ones. It's not all bad , I'm just dissapointed that I cant take it to the Hp worth putting on the track without big worries about longevity. Still happy with my 75Hp shot of nitrous. And for those that dont want nitrous a few things can still be done for a little more giddyup. :D |
Airbox Question
1) Will gutting the airbox give me better fuel ecomomy
2) In gutting the airbox. Do you take out that plastic narrow tube on both sides of the airbox??? :? |
Thats for that reply GXP Venom. Ive been out of the country and just got back. You seem to have a lot of knownledge regarding these issues.
Once again thanks... |
Thanks for the great compliment Blkbonni, I am very interested in our Northstar engine and have done alot of research and try to temper it with 30 years of backyard mechanics. I enjoy finding out all I can about it and also enjoy helping others where I can. But no one in the forum is an irrefutable expert so dont take everything I say as Word. I do try to point out what is fact and what is opnion in my responses :D
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