: Northstar Engines and System Technical Discussion



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  1. Coppery substance in coolant?
  2. problem with torque converter bolts
  3. 1999 Deville 4.6 Base misfire code
  4. Pre 2000 Northstar Crankshaft Position Sensors
  5. Replacing Coolant Crossover
  6. cooling system seal tablet
  7. 2002 STS Coolant Crossover Gaskets
  8. head gasket
  9. Suprise... Headgaskets
  10. Cost to replace oil pan gasket?
  11. Need help - considering a Northstar build for an ElCamino
  12. Dipstick reading
  13. North Star head bolt problem
  14. Spark plugs - 1997 Y Northstar
  15. first Cadillac questons about Northstar
  16. Head Bolt/stud question
  17. Just bought a 1995 Eldorado..was wondering what I should be looking at for maintenane
  18. 1999 SLS - apparent overheating ?
  19. Engine tap
  20. Compression And Leak Down Results.....Cam/Valve Timing Observation Discussion
  21. Why at the beginning of fuel rail and not end?
  22. 1999 DeVille coolant leak
  23. '97-won't start (fire)
  24. My Grandmothers Friend's 2000 STS has Misfire. She has a question
  25. P0507 Idle speed high after engine removal
  26. Engine block identification
  27. Cylinder Head Problems - 2005 DTS
  28. '99 Northstar head bolt torque values
  29. 1996 Deville - no fuel at the rail
  30. 2003 Deville idle air control valve
  31. 2000 Deville - dead batteries, no crank
  32. Engine cradle pulling down...
  33. 1996 Concours Oxygen Sensors
  34. 2000 - 2004 PCV piping question
  35. Help with a possible head gasket issue...2002 SLS
  36. Northstar 2001 Head Gasket Repair - Charlotte, North Carolina
  37. Northstar Engine Problems, were they ever corrected in production by GM??
  38. Anyone Ever Use A Company In Jersey Called Top Line Auto Care
  39. surge tank cap pressure
  40. Heater Pipe Adapter Part #?
  41. What Is This Gasket
  42. Northstar fuel fouling on Bank 2 good on Bank 1
  43. Thought I'd never buy another Northstar but...
  44. 2002 DTS transmission codes P 1860, P 0741
  45. Head gasket replacement
  46. Introduction - 1997 SLS with problems
  47. engine swap 2004 to a 1997 deville
  48. Northstar Engine Build Center, Batavia, NY - Northstar Performance LLC
  49. Snapped Main Bearing Bolts
  50. Head gasket question
  51. '97 DeVille NorthStar location of oil pressure switch?
  52. 2005 STS - Northstar longevity
  53. Cam Removal
  54. 2002 STS More Horsepower (Solid & Safe)
  55. Manifold over pressure valve - 1996 Northstar
  56. 2005 Deville 48k mi rough idle in morning. Thinking it could be HG issue.
  57. Not ready to give up - 1997 VIN Y Deville engine work
  58. 1999 STS Losing Coolant Possible Head Gasket
  59. Northstar wine
  60. Northstar Performance - officially offering custom PCM tuning January 2015
  61. Fuel rail and injector work on 2002 Deville
  62. Northstar VIN 9 - 2002 - engine exhaust work
  63. oil in coolant-'99 deville
  64. Northstar using excessive oil
  65. 2002 Deville AIR pump cover replacement
  66. 2002 Northstar VIN Y>9 cam swap and P/N questions - cam TSB
  67. 97 deville Help with rear coolant leak
  68. Boost and engine management - 1997 Eldorado base
  69. Cam cover bolts loose
  70. Possible HG leak in '01 SLS
  71. Upper front coolant pipe- 2000 ESC
  72. Northstar Motor Swap - 2008 into 2001 car
  73. Weird oil leak - 2002 Deville
  74. 02 Deville base different color valve covers?
  75. Northstar flexplate bolt circle question
  76. LH2 swap into another car ; questions about the northstar and computer
  77. Northstar rebuild 01 eldo
  78. No acceleration... 2003 Deville
  79. 2000 Deville misfire cylinders 1 and 2
  80. Should this come off easily?
  81. Northstar exercise and driving style
  82. 2003 Deville starter motor location
  83. 1993 4.6L Northstar engine swap into hotrod project.
  84. Whining noise at startup - 2001 Eldorado
  85. Rough idle 99'
  86. Installing a crank kit in a 99 sls
  87. very quick temp spike then normal
  88. $150 made $1,000 worth of difference
  89. Question & Video of movement in secondary cam chain
  90. 1994 SLS no-start problems
  91. What is a good operating temperature?
  92. P0336 -Crankshaft Position Sensor 'A'
  93. How to tell which valve lash adjuster is faulty.
  94. Time for HG repair
  95. icm (ignition control module) problem keeps going out
  96. How to know if you have already entered some inserts in my engine?
  97. 2000 Northstar Strange Starter Issue?
  98. 99 Northstar rebuild questions
  99. Northstars sorted out yet?
  100. 4.6 white smoke issue
  101. Northstar and a turbo
  102. 2003 Deville misfire when warm
  103. 02 Deville 90k - low idle
  104. Need bolt torque specs: Flywheel, Torque Converter, Trans bolts.
  105. All of a sudden 2003 Deville developed a miss
  106. Northstar swap wiring harness question
  107. Please post a State & City guide to Northstar Head Gasket repair shops that you know
  108. replacing the oil pan in a 2000 deville
  109. Northstar - AIR valves ?
  110. 1994 N* Fuel Pressure Regulator
  111. New Northstar Engines
  112. Timing Chain Guide Adapt - 98+ to the old style engines
  113. 97' ETC check engine gives all O2 codes
  114. Northstar Overhaul Shop near Southern Maine, NH or MA
  115. Finished Replacement Front Engine Mount
  116. Studs officially shipping from the USA - thanks to JoeTahoe
  117. what to check when buying a northstar?
  118. Can I run 40W or 50w OIL on my NORTHSTAR 4.6? I live in very HOT WEATHER
  119. How to check for Hydrolock?
  120. 1999 Deville smokes at idle
  121. 2002 Deville - Knock sensor ?
  122. 96 Deville - Misfire on #8
  123. MAP sensor location critical ?
  124. 93-94 Northstar Water Pump Tensioner
  125. Please post recommended Northstar Repair Shops in Florida
  126. Cradle won't drop on 98 STS
  127. Replaced old radiator due to crack, overheats with new radiator.. PLEASE HELP
  128. 4 Bad Headgaskets
  129. What is involved in swapping a 93 Edo vin9 with a 95 viny (is it doable) ?????
  130. Swap Nightmare
  131. 2000 Deville possible overheat
  132. EVAP code P 0442
  133. Deville Northtar engine swap and PCM problems
  134. 04 Deville - engine upgrades
  135. 2001 Deville: Won't stay running while in drive
  136. Nortstar engine removal.
  137. Engine overheat and oil in coolant - 2001 STS
  138. What do you like about your Northstar powered vehicle?
  139. Is it possible to remove the cams and keep the timing chain tensioner in place?
  140. Low coolant sensor
  141. 1999 STS leaking coolant
  142. My story: HG headgasket failure
  143. LH2 Swap - Issue starting
  144. Oil/coolant mixing
  145. Throttle Position Sensor relearn ??
  146. 2000 & up Seville air intake resonator
  147. 2001 Seville engine overhaul questions
  148. 2000 Deville Fuel Pressure Specs
  149. 2002 Deville rough idle
  150. 99 eldorado 02 sensors
  151. Oil Pressure Sending Unit - SRX
  152. P0308 #8 Misfire issue... Replaced a lot, still have issue
  153. 99 STS hard cold start. No codes, fpr tests ok and fuel is 44 psi running
  154. A method to remove Crankshaft bolt without locking the flywheel or using the starter.
  155. 2002 Deville AIR pump Vacuum line Routing
  156. 1999 Deville Headgasket - head job or total overhaul ?
  157. 2001 deville engine making kocking noise
  158. 2002 Deville Overheating after Thermostat replacement
  159. Water pump drive pulley
  160. Special tool for Northstar water pump drive pulley
  161. Reliability of 2005 and beyond Northstar-powered cars
  162. Harmonic Balancer Torque
  163. Need advice on who to do a Northstar head job in the Huntsville Alabama area
  164. NGK Spark plugs & coolant level message - 2003 Deville
  165. Get a Free set of Main Studs with Purchase of Sure Grip Cylinder Head Stud Kit
  166. Developed an engine whine... what is it?
  167. Please help with PCM issue on 1993 Allante
  168. limp mode..now misfire
  169. Water cooled alternator - what years/models ?
  170. O2 Sensors in a Hot Rod Set-up
  171. 2002 Northstar WOT, performance brakes, CORSA ?
  172. 1996 and later Northstar performance chips
  173. Magnaflows on a 2003 Deville
  174. socket down camshaft drive chain slot
  175. coolant drip middle front lower
  176. 2005 STS Camshaft Sensor Location? V8 4.6 engine
  177. Pcm issue or camshaft issue any help
  178. Rail / Injector Leak Deville 99
  179. Northstar chips, cold air intakes, and spark plugs
  180. coil on plug ignition modules
  181. Mystery Check Engine Light
  182. Only starts with starting fluid - '97 SLS
  183. 99 STS head gasket repair [ in car]
  184. Problem with 97 Eldorado. P 0300...
  185. 02 Cooling building back pressure. Purge line clear.
  186. 1998 STS coolant change
  187. Mystery Black Wire
  188. Oil pressure
  189. 98 deville, uses oil? but how
  190. What year is my Northstar motor, and what cars will it drop into?
  191. trouble with spark from coil packs
  192. Replace and Reprogram PCM 2001 DTS
  193. 1995 SLS - Poor idle quality
  194. Oil Pan Gasket and Permatex UltraGray placement
  195. 98 Deville, changing the coolant, sealant tabs?
  196. 2000 series Northstar water pump will not come out
  197. Fuel pressure regulator
  198. 2003 Deville - exhaust steaming and coolant loss
  199. Can't remove Water Pump Drive pulley.. ever seen one that is stuck?
  200. Best Rear Main Seal Fix?
  201. Critique my coolant flush method
  202. Oil pressure light - 1998 Deville Northstar
  203. 1994 Eldorado thermostat replacement and coolant leak
  204. EGR Tubing
  205. '02 Seville was running fine, now it's not ?
  206. flex tube exhaust
  207. 01 Northstar Water in oil, high oil use, misses when cold.
  208. Coolant Leak Source? (pictures)
  209. When to reseal case halves?
  210. Look what I found in my engine!
  211. Puzzling Clattering Noise During Warm Startups
  212. HG's vs Pulled Threads
  213. Cat problems?
  214. Oil leaks on 1998 ElDorado
  215. 2000+ Intake Manifold on 1998 Northstar
  216. 2001 Deville - coolant boiling in reservoir
  217. Problem with my 1994 Eldorado engine - smoking
  218. code P 0171, P 0174 - solved
  219. Unable to communicate with the console cluster
  220. North Star Engine Disappointment (copy)
  221. SJ - API oil
  222. 97 ETC exhaust manifold fasterners.
  223. Fix the engine, (HG), replace the engine?
  224. Where does this go...?
  225. PCV Valve Elbow?
  226. Pics of my oil leaks
  227. combustion leak tester
  228. Anyone used Lucas Engine Stop Leak?
  229. Water pump issue, mostly? 1994 STS
  230. 98 Deville Water Pump Fail After Serpentine Belt Replaced
  231. Water Pump - Failing When Hot
  232. Oil Pan Leak?
  233. 2002 Deville misfire on Northstar
  234. I'm gonna do a block test today
  235. Car keeps overheating
  236. Service fuel system
  237. radiator cap # ?
  238. Northstar Loan-A-Tool Program, USA shipping on stud kits
  239. EGR Major Issues..help!
  240. 2000 Deville surging?
  241. 1998 STS crankshaft position sensors location
  242. Deville engine swaps and differences
  243. Water pump won't break
  244. New business pratices and standards coming into effect Apr 15/2014
  245. AIR pump on '99
  246. 1995 STS - multiple crank cold starts
  247. Pre-diagnosing HG issues?
  248. eldo running hot
  249. Which alternator? 94 Deville Concours
  250. My 1994 Deville 4.9 is starting to show some signs.