: Northstar Engines and System Technical Discussion



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  1. Help with a possible head gasket issue...2002 SLS
  2. Northstar 2001 Head Gasket Repair - Charlotte, North Carolina
  3. Northstar Engine Problems, were they ever corrected in production by GM??
  4. Anyone Ever Use A Company In Jersey Called Top Line Auto Care
  5. surge tank cap pressure
  6. Heater Pipe Adapter Part #?
  7. What Is This Gasket
  8. Northstar fuel fouling on Bank 2 good on Bank 1
  9. Thought I'd never buy another Northstar but...
  10. 2002 DTS transmission codes P 1860, P 0741
  11. Head gasket replacement
  12. Introduction - 1997 SLS with problems
  13. engine swap 2004 to a 1997 deville
  14. Northstar Engine Build Center, Batavia, NY - Northstar Performance LLC
  15. Snapped Main Bearing Bolts
  16. Head gasket question
  17. '97 DeVille NorthStar location of oil pressure switch?
  18. 2005 STS - Northstar longevity
  19. Cam Removal
  20. 2002 STS More Horsepower (Solid & Safe)
  21. Manifold over pressure valve - 1996 Northstar
  22. 2005 Deville 48k mi rough idle in morning. Thinking it could be HG issue.
  23. Not ready to give up - 1997 VIN Y Deville engine work
  24. 1999 STS Losing Coolant Possible Head Gasket
  25. Northstar wine
  26. Northstar Performance - officially offering custom PCM tuning January 2015
  27. Fuel rail and injector work on 2002 Deville
  28. Northstar VIN 9 - 2002 - engine exhaust work
  29. oil in coolant-'99 deville
  30. Northstar using excessive oil
  31. 2002 Deville AIR pump cover replacement
  32. 2002 Northstar VIN Y>9 cam swap and P/N questions - cam TSB
  33. 97 deville Help with rear coolant leak
  34. Boost and engine management - 1997 Eldorado base
  35. Cam cover bolts loose
  36. Possible HG leak in '01 SLS
  37. Upper front coolant pipe- 2000 ESC
  38. Northstar Motor Swap - 2008 into 2001 car
  39. Weird oil leak - 2002 Deville
  40. 02 Deville base different color valve covers?
  41. Northstar flexplate bolt circle question
  42. LH2 swap into another car ; questions about the northstar and computer
  43. Northstar rebuild 01 eldo
  44. No acceleration... 2003 Deville
  45. 2000 Deville misfire cylinders 1 and 2
  46. Should this come off easily?
  47. Northstar exercise and driving style
  48. 2003 Deville starter motor location
  49. 1993 4.6L Northstar engine swap into hotrod project.
  50. Whining noise at startup - 2001 Eldorado
  51. Rough idle 99'
  52. Installing a crank kit in a 99 sls
  53. very quick temp spike then normal
  54. $150 made $1,000 worth of difference
  55. Question & Video of movement in secondary cam chain
  56. 1994 SLS no-start problems
  57. What is a good operating temperature?
  58. P0336 -Crankshaft Position Sensor 'A'
  59. How to tell which valve lash adjuster is faulty.
  60. Time for HG repair
  61. icm (ignition control module) problem keeps going out
  62. How to know if you have already entered some inserts in my engine?
  63. 2000 Northstar Strange Starter Issue?
  64. 99 Northstar rebuild questions
  65. Northstars sorted out yet?
  66. 4.6 white smoke issue
  67. Northstar and a turbo
  68. 2003 Deville misfire when warm
  69. 02 Deville 90k - low idle
  70. Need bolt torque specs: Flywheel, Torque Converter, Trans bolts.
  71. All of a sudden 2003 Deville developed a miss
  72. Northstar swap wiring harness question
  73. Any shops that know the N* near Ft. Walton Beach,FL ?
  74. replacing the oil pan in a 2000 deville
  75. Northstar - AIR valves ?
  76. 1994 N* Fuel Pressure Regulator
  77. New Northstar Engines
  78. Timing Chain Guide Adapt - 98+ to the old style engines
  79. 97' ETC check engine gives all O2 codes
  80. Northstar Overhaul Shop near Southern Maine, NH or MA
  81. Finished Replacement Front Engine Mount
  82. Studs officially shipping from the USA - thanks to JoeTahoe
  83. what to check when buying a northstar?
  84. Can I run 40W or 50w OIL on my NORTHSTAR 4.6? I live in very HOT WEATHER
  85. How to check for Hydrolock?
  86. 1999 Deville smokes at idle
  87. 2002 Deville - Knock sensor ?
  88. 96 Deville - Misfire on #8
  89. MAP sensor location critical ?
  90. 93-94 Northstar Water Pump Tensioner
  91. Please post recommended Northstar Repair Shops in Florida
  92. Cradle won't drop on 98 STS
  93. Replaced old radiator due to crack, overheats with new radiator.. PLEASE HELP
  94. 4 Bad Headgaskets
  95. What is involved in swapping a 93 Edo vin9 with a 95 viny (is it doable) ?????
  96. Swap Nightmare
  97. 2000 Deville possible overheat
  98. EVAP code P 0442
  99. Deville Northtar engine swap and PCM problems
  100. 04 Deville - engine upgrades
  101. 2001 Deville: Won't stay running while in drive
  102. Nortstar engine removal.
  103. Engine overheat and oil in coolant - 2001 STS
  104. What do you like about your Northstar powered vehicle?
  105. Is it possible to remove the cams and keep the timing chain tensioner in place?
  106. Low coolant sensor
  107. 1999 STS leaking coolant
  108. My story: HG headgasket failure
  109. LH2 Swap - Issue starting
  110. Oil/coolant mixing
  111. Throttle Position Sensor relearn ??
  112. 2000 & up Seville air intake resonator
  113. 2001 Seville engine overhaul questions
  114. 2000 Deville Fuel Pressure Specs
  115. 2002 Deville rough idle
  116. 99 eldorado 02 sensors
  117. Oil Pressure Sending Unit - SRX
  118. P0308 #8 Misfire issue... Replaced a lot, still have issue
  119. 99 STS hard cold start. No codes, fpr tests ok and fuel is 44 psi running
  120. A method to remove Crankshaft bolt without locking the flywheel or using the starter.
  121. 2002 Deville AIR pump Vacuum line Routing
  122. 1999 Deville Headgasket - head job or total overhaul ?
  123. 2001 deville engine making kocking noise
  124. 2002 Deville Overheating after Thermostat replacement
  125. Water pump drive pulley
  126. Special tool for Northstar water pump drive pulley
  127. Reliability of 2005 and beyond Northstar-powered cars
  128. Harmonic Balancer Torque
  129. Need advice on who to do a Northstar head job in the Huntsville Alabama area
  130. NGK Spark plugs & coolant level message - 2003 Deville
  131. Get a Free set of Main Studs with Purchase of Sure Grip Cylinder Head Stud Kit
  132. Developed an engine whine... what is it?
  133. Please help with PCM issue on 1993 Allante
  134. limp mode..now misfire
  135. Water cooled alternator - what years/models ?
  136. O2 Sensors in a Hot Rod Set-up
  137. 2002 Northstar WOT, performance brakes, CORSA ?
  138. 1996 and later Northstar performance chips
  139. Magnaflows on a 2003 Deville
  140. socket down camshaft drive chain slot
  141. coolant drip middle front lower
  142. 2005 STS Camshaft Sensor Location? V8 4.6 engine
  143. Pcm issue or camshaft issue any help
  144. Rail / Injector Leak Deville 99
  145. Northstar chips, cold air intakes, and spark plugs
  146. coil on plug ignition modules
  147. Mystery Check Engine Light
  148. Only starts with starting fluid - '97 SLS
  149. 99 STS head gasket repair [ in car]
  150. Problem with 97 Eldorado. P 0300...
  151. 02 Cooling building back pressure. Purge line clear.
  152. 1998 STS coolant change
  153. Mystery Black Wire
  154. Oil pressure
  155. 98 deville, uses oil? but how
  156. What year is my Northstar motor, and what cars will it drop into?
  157. trouble with spark from coil packs
  158. Replace and Reprogram PCM 2001 DTS
  159. 1995 SLS - Poor idle quality
  160. Oil Pan Gasket and Permatex UltraGray placement
  161. 98 Deville, changing the coolant, sealant tabs?
  162. 2000 Deville Water Pump will Not Come Out
  163. Fuel pressure regulator
  164. 2003 Deville - exhaust steaming and coolant loss
  165. Can't remove Water Pump Drive pulley.. ever seen one that is stuck?
  166. Best Rear Main Seal Fix?
  167. Critique my coolant flush method
  168. Oil pressure light - 1998 Deville Northstar
  169. 1994 Eldorado thermostat replacement and coolant leak
  170. EGR Tubing
  171. '02 Seville was running fine, now it's not ?
  172. flex tube exhaust
  173. 01 Northstar Water in oil, high oil use, misses when cold.
  174. Coolant Leak Source? (pictures)
  175. When to reseal case halves?
  176. Look what I found in my engine!
  177. Puzzling Clattering Noise During Warm Startups
  178. HG's vs Pulled Threads
  179. Cat problems?
  180. Oil leaks on 1998 ElDorado
  181. 2000+ Intake Manifold on 1998 Northstar
  182. 2001 Deville - coolant boiling in reservoir
  183. Problem with my 1994 Eldorado engine - smoking
  184. code P 0171, P 0174 - solved
  185. Unable to communicate with the console cluster
  186. North Star Engine Disappointment (copy)
  187. SJ - API oil
  188. 97 ETC exhaust manifold fasterners.
  189. Fix the engine, (HG), replace the engine?
  190. Where does this go...?
  191. PCV Valve Elbow?
  192. Pics of my oil leaks
  193. combustion leak tester
  194. Anyone used Lucas Engine Stop Leak?
  195. Water pump issue, mostly? 1994 STS
  196. 98 Deville Water Pump Fail After Serpentine Belt Replaced
  197. Water Pump - Failing When Hot
  198. Oil Pan Leak?
  199. 2002 Deville misfire on Northstar
  200. I'm gonna do a block test today
  201. Car keeps overheating
  202. Service fuel system
  203. radiator cap # ?
  204. Northstar Loan-A-Tool Program, USA shipping on stud kits
  205. EGR Major Issues..help!
  206. 2000 Deville surging?
  207. 1998 STS crankshaft position sensors location
  208. Deville engine swaps and differences
  209. Water pump won't break
  210. New business pratices and standards coming into effect Apr 15/2014
  211. AIR pump on '99
  212. 1995 STS - multiple crank cold starts
  213. Pre-diagnosing HG issues?
  214. eldo running hot
  215. Which alternator? 94 Deville Concours
  216. My 1994 Deville 4.9 is starting to show some signs.
  217. 1999 deville - replaced water pump - running hot
  218. 2009 Buick Lucerne Headgasket
  219. The American V8 - Anatomy of a Hydrolock
  220. 2005 Deville oil pan seal leak
  221. Vacuum diagram
  222. 1997 STS - Long crank/start times - (Advice / Ideas)
  223. Lower crankcase reseal - 2005 Deville
  224. My sincerest apologies and also thanks -
  225. headbolt inserts
  226. Northstar and carbon cleaning
  227. Running but ............... 2001 Northstar
  228. 2000 DTS - no power
  229. To buy or not to buy.....1998 ESC
  230. 1996 DeVille flex plate replacement
  231. engine oil in intake manifold
  232. 2004 DTS Frustrations... misfires and SES
  233. 2000 SLS powertrain/ cradle removal
  234. 98 deville coolant smell?
  235. 02 N☆ Fuel Pressure
  236. Air intake upgrade - DTS Performance ?
  237. 2007 Engine Knock 4.6 Help
  238. The Caddy lives again - Life after the dreaded head leakage
  239. 1997 Deville - EGR remove & replace
  240. Northstar head bolt hole thread repair options
  241. Northstar Production Numbers 1993-2009
  242. 2000 STS - P 0300 - rough idle
  243. 2003 Seville EGR codes
  244. 2004 DHS - CMP location ?
  245. Mechinical buzzing noise from under hood ( 2002 Deville, 150,000)
  246. Blue devil and Norhtstar:
  247. Stalling issue - slow speeds - 1998 ETC
  248. Damaged throttle cable (1998 Deville)
  249. 2000 DTS - correct replacement engine ?
  250. My experience with the water crossover job