: Northstar Engines and System Technical Discussion



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  1. Time for HG repair
  2. icm (ignition control module) problem keeps going out
  3. How to know if you have already entered some inserts in my engine?
  4. 2000 Northstar Strange Starter Issue?
  5. 99 Northstar rebuild questions
  6. Northstars sorted out yet?
  7. 4.6 white smoke issue
  8. Northstar and a turbo
  9. 2003 Deville misfire when warm
  10. 02 Deville 90k - low idle
  11. Need bolt torque specs: Flywheel, Torque Converter, Trans bolts.
  12. All of a sudden 2003 Deville developed a miss
  13. Northstar swap wiring harness question
  14. Any shops that know the N* near Ft. Walton Beach,FL ?
  15. replacing the oil pan in a 2000 deville
  16. Northstar - AIR valves ?
  17. 1994 N* Fuel Pressure Regulator
  18. New Northstar Engines
  19. Timing Chain Guide Adapt - 98+ to the old style engines
  20. 97' ETC check engine gives all O2 codes
  21. Northstar Overhaul Shop near Southern Maine, NH or MA
  22. Finished Replacement Front Engine Mount
  23. Studs officially shipping from the USA - thanks to JoeTahoe
  24. what to check when buying a northstar?
  25. Can I run 40W or 50w OIL on my NORTHSTAR 4.6? I live in very HOT WEATHER
  26. How to check for Hydrolock?
  27. 1999 Deville smokes at idle
  28. 2002 Deville - Knock sensor ?
  29. 96 Deville - Misfire on #8
  30. MAP sensor location critical ?
  31. 93-94 Northstar Water Pump Tensioner
  32. Please post recommended Northstar Repair Shops in Florida
  33. Cradle won't drop on 98 STS
  34. Replaced old radiator due to crack, overheats with new radiator.. PLEASE HELP
  35. 4 Bad Headgaskets
  36. What is involved in swapping a 93 Edo vin9 with a 95 viny (is it doable) ?????
  37. Swap Nightmare
  38. 2000 Deville possible overheat
  39. EVAP code P 0442
  40. Deville Northtar engine swap and PCM problems
  41. 04 Deville - engine upgrades
  42. 2001 Deville: Won't stay running while in drive
  43. Nortstar engine removal.
  44. Engine overheat and oil in coolant - 2001 STS
  45. What do you like about your Northstar powered vehicle?
  46. Is it possible to remove the cams and keep the timing chain tensioner in place?
  47. Low coolant sensor
  48. 1999 STS leaking coolant
  49. My story: HG headgasket failure
  50. LH2 Swap - Issue starting
  51. Oil/coolant mixing
  52. Throttle Position Sensor relearn ??
  53. 2000 & up Seville air intake resonator
  54. 2001 Seville engine overhaul questions
  55. 2000 Deville Fuel Pressure Specs
  56. 2002 Deville rough idle
  57. 99 eldorado 02 sensors
  58. Oil Pressure Sending Unit - SRX
  59. P0308 #8 Misfire issue... Replaced a lot, still have issue
  60. 99 STS hard cold start. No codes, fpr tests ok and fuel is 44 psi running
  61. A method to remove Crankshaft bolt without locking the flywheel or using the starter.
  62. 2002 Deville AIR pump Vacuum line Routing
  63. 1999 Deville Headgasket - head job or total overhaul ?
  64. 2001 deville engine making kocking noise
  65. 2002 Deville Overheating after Thermostat replacement
  66. Water pump drive pulley
  67. Special tool for Northstar water pump drive pulley
  68. Reliability of 2005 and beyond Northstar-powered cars
  69. Harmonic Balancer Torque
  70. Need advice on who to do a Northstar head job in the Huntsville Alabama area
  71. NGK Spark plugs & coolant level message - 2003 Deville
  72. Get a Free set of Main Studs with Purchase of Sure Grip Cylinder Head Stud Kit
  73. Developed an engine whine... what is it?
  74. Please help with PCM issue on 1993 Allante
  75. limp mode..now misfire
  76. Water cooled alternator - what years/models ?
  77. O2 Sensors in a Hot Rod Set-up
  78. 2002 Northstar WOT, performance brakes, CORSA ?
  79. 1996 and later Northstar performance chips
  80. Magnaflows on a 2003 Deville
  81. socket down camshaft drive chain slot
  82. coolant drip middle front lower
  83. 2005 STS Camshaft Sensor Location? V8 4.6 engine
  84. Pcm issue or camshaft issue any help
  85. Rail / Injector Leak Deville 99
  86. Northstar chips, cold air intakes, and spark plugs
  87. coil on plug ignition modules
  88. Mystery Check Engine Light
  89. Only starts with starting fluid - '97 SLS
  90. 99 STS head gasket repair [ in car]
  91. Problem with 97 Eldorado. P 0300...
  92. 02 Cooling building back pressure. Purge line clear.
  93. 1998 STS coolant change
  94. Mystery Black Wire
  95. Oil pressure
  96. 98 deville, uses oil? but how
  97. What year is my Northstar motor, and what cars will it drop into?
  98. trouble with spark from coil packs
  99. Replace and Reprogram PCM 2001 DTS
  100. 1995 SLS - Poor idle quality
  101. Oil Pan Gasket and Permatex UltraGray placement
  102. 98 Deville, changing the coolant, sealant tabs?
  103. 2000 Deville Water Pump will Not Come Out
  104. Fuel pressure regulator
  105. 2003 Deville - exhaust steaming and coolant loss
  106. Can't remove Water Pump Drive pulley.. ever seen one that is stuck?
  107. Best Rear Main Seal Fix?
  108. Critique my coolant flush method
  109. Oil pressure light - 1998 Deville Northstar
  110. 1994 Eldorado thermostat replacement and coolant leak
  111. EGR Tubing
  112. '02 Seville was running fine, now it's not ?
  113. flex tube exhaust
  114. 01 Northstar Water in oil, high oil use, misses when cold.
  115. Coolant Leak Source? (pictures)
  116. When to reseal case halves?
  117. Look what I found in my engine!
  118. Puzzling Clattering Noise During Warm Startups
  119. HG's vs Pulled Threads
  120. Cat problems?
  121. Oil leaks on 1998 ElDorado
  122. 2000+ Intake Manifold on 1998 Northstar
  123. 2001 Deville - coolant boiling in reservoir
  124. Problem with my 1994 Eldorado engine - smoking
  125. code P 0171, P 0174 - solved
  126. Unable to communicate with the console cluster
  127. North Star Engine Disappointment (copy)
  128. SJ - API oil
  129. 97 ETC exhaust manifold fasterners.
  130. Fix the engine, (HG), replace the engine?
  131. Where does this go...?
  132. PCV Valve Elbow?
  133. Pics of my oil leaks
  134. combustion leak tester
  135. Anyone used Lucas Engine Stop Leak?
  136. Water pump issue, mostly? 1994 STS
  137. 98 Deville Water Pump Fail After Serpentine Belt Replaced
  138. Water Pump - Failing When Hot
  139. Oil Pan Leak?
  140. 2002 Deville misfire on Northstar
  141. I'm gonna do a block test today
  142. Car keeps overheating
  143. Service fuel system
  144. radiator cap # ?
  145. Northstar Loan-A-Tool Program, USA shipping on stud kits
  146. EGR Major Issues..help!
  147. 2000 Deville surging?
  148. 1998 STS crankshaft position sensors location
  149. Deville engine swaps and differences
  150. Water pump won't break
  151. New business pratices and standards coming into effect Apr 15/2014
  152. AIR pump on '99
  153. 1995 STS - multiple crank cold starts
  154. Pre-diagnosing HG issues?
  155. eldo running hot
  156. Which alternator? 94 Deville Concours
  157. My 1994 Deville 4.9 is starting to show some signs.
  158. 1999 deville - replaced water pump - running hot
  159. 2009 Buick Lucerne Headgasket
  160. The American V8 - Anatomy of a Hydrolock
  161. 2005 Deville oil pan seal leak
  162. Vacuum diagram
  163. 1997 STS - Long crank/start times - (Advice / Ideas)
  164. Lower crankcase reseal - 2005 Deville
  165. My sincerest apologies and also thanks -
  166. headbolt inserts
  167. Northstar and carbon cleaning
  168. Running but ............... 2001 Northstar
  169. 2000 DTS - no power
  170. To buy or not to buy.....1998 ESC
  171. 1996 DeVille flex plate replacement
  172. engine oil in intake manifold
  173. 2004 DTS Frustrations... misfires and SES
  174. 2000 SLS powertrain/ cradle removal
  175. 98 deville coolant smell?
  176. 02 N☆ Fuel Pressure
  177. Air intake upgrade - DTS Performance ?
  178. 2007 Engine Knock 4.6 Help
  179. The Caddy lives again - Life after the dreaded head leakage
  180. 1997 Deville - EGR remove & replace
  181. Northstar head bolt hole thread repair options
  182. Northstar Production Numbers 1993-2009
  183. 2000 STS - P 0300 - rough idle
  184. 2003 Seville EGR codes
  185. 2004 DHS - CMP location ?
  186. Mechinical buzzing noise from under hood ( 2002 Deville, 150,000)
  187. Blue devil and Norhtstar:
  188. Stalling issue - slow speeds - 1998 ETC
  189. Damaged throttle cable (1998 Deville)
  190. 2000 DTS - correct replacement engine ?
  191. My experience with the water crossover job
  192. Northstar Swap Question
  193. Interesting Listing........ pre-2000 Northstar and transmission
  194. 2001 Deville oil distribution manifold plate seal leak
  195. 1998 Deville has leak at water crossover (150,000 miles)
  196. 2003 Head Gasket Repair
  197. 2006 Northstar engine problems - Buick Lucerne
  198. Water pump? 1999 STS overheating
  199. Northstar swap into a 1987 Fiero GT - engines and differences
  200. Oil Filter Pre-fill
  201. The InFamous N* Oil Leak - Oil Manifold
  202. Engine miss - 1998 Deville
  203. Priming Northstar after total rebuild
  204. Which Rear Main Seal installer do I need for a 1999 DeVille?
  205. Alt amps too high?
  206. 2003 STS engine seized
  207. Cylinder damage question....extended idling
  208. Anyone use "cadillacheadgasketfix.com" in bellflower, ca. to rebuild their Northstar?
  209. My 2000 Deville is back to life
  210. Melted camshaft water pump drive pulley
  211. 2001 Deville N* Spark plug boots questions
  212. drove over curb in fog 96 cadi died and wont restart
  213. fuel injector removal
  214. 2000 head gasket/ insert differences
  215. Northstar overheating-Repair
  216. Head porting Northstar...
  217. 01 Seville runs rough, 0306 code intermittent
  218. Attention all Northstar engine owners - Carroll Cadillac studs
  219. Questions about pre 00 Northstar oil change and use of additives
  220. Pressure in expansion tank
  221. ran out of gas now my SES light turned on any help
  222. New Northstar Crate Engines
  223. very bad coolant leak
  224. High Idle question
  225. Flowmasters on a 2003 SLS
  226. Simple spark plug question - Northstar "tune up"
  227. Results posted - Christmas Draw - FREE STUD KIT!
  228. 2004 Deville rough idle
  229. 1996 Deville fuel injectors
  230. Cylinder head bolt replacement
  231. Northstar R&D-Bench Test Apparatus
  232. Hello Cadillac/Northstar owners
  233. 1996 Deville...... 4.6 Northstar trouble......lotsa trouble.
  234. P0300 Misfire - My problem and solution + more problems...
  235. Best Engine Mounts - 1993-1994 or the newer?
  236. Blown head gasket repair
  237. occassional stalling problem
  238. 05 Deville
  239. Northstar battery life expectation
  240. 2001 DTS Valve Clearance question
  241. Fuel Pump Longevity/Milage Expectations
  242. Torquing N* head
  243. 96' Northstar cranks, will not start
  244. 01 Deville Cylinder #1 misfire
  245. bucking and kicking
  246. Northstar sitting for 12 years...need new springs?
  247. 2005 Bonneville GXP Northstar jumped time
  248. 2001 ETC Intermittent High Idle
  249. 2001 DTS won't accelerate past 2K rpms after spark plug change
  250. Advice on NorthStar coils - both ignition types