: Northstar Engines and System Technical Discussion



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  1. Northstar Loan-A-Tool Program, USA shipping on stud kits
  2. EGR Major Issues..help!
  3. 2000 Deville surging?
  4. 1998 STS crankshaft position sensors location
  5. Deville engine swaps and differences
  6. Water pump won't break
  7. New business pratices and standards coming into effect Apr 15/2014
  8. AIR pump on '99
  9. 1995 STS - multiple crank cold starts
  10. Pre-diagnosing HG issues?
  11. eldo running hot
  12. Which alternator? 94 Deville Concours
  13. My 1994 Deville 4.9 is starting to show some signs.
  14. 1999 deville - replaced water pump - running hot
  15. 2009 Buick Lucerne Headgasket
  16. The American V8 - Anatomy of a Hydrolock
  17. 2005 Deville oil pan seal leak
  18. Vacuum diagram
  19. 1997 STS - Long crank/start times - (Advice / Ideas)
  20. Lower crankcase reseal - 2005 Deville
  21. My sincerest apologies and also thanks -
  22. headbolt inserts
  23. Northstar and carbon cleaning
  24. Running but ............... 2001 Northstar
  25. 2000 DTS - no power
  26. To buy or not to buy.....1998 ESC
  27. 1996 DeVille flex plate replacement
  28. engine oil in intake manifold
  29. 2004 DTS Frustrations... misfires and SES
  30. 2000 SLS powertrain/ cradle removal
  31. 98 deville coolant smell?
  32. 02 N☆ Fuel Pressure
  33. Air intake upgrade - DTS Performance ?
  34. 2007 Engine Knock 4.6 Help
  35. The Caddy lives again - Life after the dreaded head leakage
  36. 1997 Deville - EGR remove & replace
  37. Northstar head bolt hole thread repair options
  38. Northstar Vehicle Production Numbers 1993-2009
  39. 2000 STS - P 0300 - rough idle
  40. 2003 Seville EGR codes
  41. 2004 DHS - CMP location ?
  42. Mechinical buzzing noise from under hood ( 2002 Deville, 150,000)
  43. Blue devil and Norhtstar:
  44. Stalling issue - slow speeds - 1998 ETC
  45. Damaged throttle cable (1998 Deville)
  46. 2000 DTS - correct replacement engine ?
  47. My experience with the water crossover job
  48. Northstar Swap Question
  49. Interesting Listing........ pre-2000 Northstar and transmission
  50. 2001 Deville oil distribution manifold plate seal leak
  51. 1998 Deville has leak at water crossover (150,000 miles)
  52. 2003 Head Gasket Repair
  53. 2006 Northstar engine problems - Buick Lucerne
  54. Water pump? 1999 STS overheating
  55. Northstar swap into a 1987 Fiero GT - engines and differences
  56. Oil Filter Pre-fill
  57. The InFamous N* Oil Leak - Oil Manifold
  58. Engine miss - 1998 Deville
  59. Priming Northstar after total rebuild
  60. Which Rear Main Seal installer do I need for a 1999 DeVille?
  61. Alt amps too high?
  62. 2003 STS engine seized
  63. Cylinder damage question....extended idling
  64. Anyone use "cadillacheadgasketfix.com" in bellflower, ca. to rebuild their Northstar?
  65. My 2000 Deville is back to life
  66. Melted camshaft water pump drive pulley
  67. 2001 Deville N* Spark plug boots questions
  68. drove over curb in fog 96 cadi died and wont restart
  69. fuel injector removal
  70. 2000 head gasket/ insert differences
  71. Northstar overheating-Repair
  72. Head porting Northstar...
  73. 01 Seville runs rough, 0306 code intermittent
  74. Attention all Northstar engine owners - Carroll Cadillac studs
  75. Questions about pre 00 Northstar oil change and use of additives
  76. Pressure in expansion tank
  77. ran out of gas now my SES light turned on any help
  78. New Northstar Crate Engines
  79. very bad coolant leak
  80. High Idle question
  81. Flowmasters on a 2003 SLS
  82. Simple spark plug question - Northstar "tune up"
  83. Results posted - Christmas Draw - FREE STUD KIT!
  84. 2004 Deville rough idle
  85. 1996 Deville fuel injectors
  86. Cylinder head bolt replacement
  87. Northstar R&D-Bench Test Apparatus
  88. Hello Cadillac/Northstar owners
  89. 1996 Deville...... 4.6 Northstar trouble......lotsa trouble.
  90. P0300 Misfire - My problem and solution + more problems...
  91. Best Engine Mounts - 1993-1994 or the newer?
  92. Blown head gasket repair
  93. occassional stalling problem
  94. 05 Deville
  95. Northstar battery life expectation
  96. 2001 DTS Valve Clearance question
  97. Fuel Pump Longevity/Milage Expectations
  98. Torquing N* head
  99. 96' Northstar cranks, will not start
  100. 01 Deville Cylinder #1 misfire
  101. bucking and kicking
  102. Northstar sitting for 12 years...need new springs?
  103. 2005 Bonneville GXP Northstar jumped time
  104. 2001 ETC Intermittent High Idle
  105. 2001 DTS won't accelerate past 2K rpms after spark plug change
  106. Advice on NorthStar coils - both ignition types
  107. Another Shout Out to Jake!!
  108. Code P 0171 showing - 1999 Deville
  109. 2001 DTS - interference engine 4.6l and timing chain replacement ?
  110. Studded heads update
  111. 1999 STS coolant questions
  112. 2000 STS NS smoking under hood after WOT
  113. Governor in NorthStar V8?
  114. O2 sensor-bank 1 S1
  115. No spark
  116. Please help! 94 SLS water pump cover...
  117. Wherer do these parts go ???
  118. Sudden Increase in Oil Consumption 2003 DHS
  119. Crankshaft pulley wobble
  120. 2001 Deville. Can't start after reinstalling engine
  121. Head gaskets and Time-Serts
  122. Oil pump?
  123. Help find part
  124. Maximum valve lift 04-05 Northstar 4.6
  125. 96' Northstar coolant leak
  126. cooling fan relays
  127. Help - 1993 Eldorado needs new engine
  128. Head Bolt Threads - Bonneville Northstar
  129. DOHC theory, any new information?
  130. Compression Ring Treatment
  131. Where do these go?
  132. New motor to replace the northstar
  133. Northstar Replacement
  134. 2001 Deville hesitates while accelerating
  135. Retirement from the physical repairs to focus on the stud kits-
  136. The Dreaded Northstar Leaking Head Gasket- Fix, Sell or Junk?
  137. Why Leaking Headgaskets
  138. Is it dangerous - cracked flexplate on a Northstar
  139. 2008 STS engin dont swing
  140. fuel pump suddenly stops
  141. Stumble and stall
  142. Valve cover gaskets
  143. On the road again!
  144. 2001 Deville flat or domed pistons
  145. Changing the water pump "Belt?
  146. 1998 STS - Dies at speed and won't restart sometimes.
  147. Is it safe to buy a Northstar now? I can't stop driving Cadillacs!
  148. Northstar size question
  149. Need mechanic - 1994 STS Northstar near Winnipeg
  150. Northstar overheating
  151. Interchangeability of VIN: 9 and VIN: Y transmissions?
  152. Northstar Commander 950 base Map - sand rail install
  153. overheating need help
  154. Just a head gasket failure?
  155. Northstar engine questions from Finland
  156. P 0171 and P 0174 code - 2004 Deville
  157. new generator-->ECM broken
  158. Disconnecting EGR
  159. water crossover
  160. mid case reseal tsb
  161. 4.6 N* Cylinder walls
  162. Replacing the alternator on 97 Deville Concours
  163. Ready to stud another northstar
  164. Heli-Coil removal?
  165. Northstar Performance
  166. Wanted to clean EGR but what have those engineers done now
  167. 99 N* rebuilt and burning lots of oil
  168. Northstar into Chevy Beretta swap
  169. 2001 Deville overheating... block test OK
  170. low oil pressure
  171. Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)
  172. Codes P0171, P0174 and P1258 come up on 1997 Deville
  173. Coil pack
  174. Eastern Massachusetts Cadillac shops?
  175. voltage question
  176. Bouncing Idles - 1995 SLS Northstar
  177. 2000 STS question
  178. Northstar maintenance requirements - 2005 Deville
  179. Brand New 1993-1994 Northstar Engine - Oil Leak Modified or Not
  180. Hard Starting Warm - if not Pedal to the Metal
  181. DHS 2000 won't start after changing CranKshaft and CaMshaft Position Sensors
  182. 1996 Deville over heats when ac is on
  183. HG question - 1997 Eldorado, 127000 miles
  184. need help
  185. Now what do I do? Northstar block casting porosity
  186. Coolant all over top of engine?
  187. 97 SLS Overheating - I've checked everything and need ideas
  188. 03 Deville hard idle and bogging out lower speeds
  189. 2003 Deville CKP codes
  190. P 0300 random misfire - 2000 STS
  191. Northstar Performance rebuilt engine
  192. exhaust buzzing noise 2006 dts
  193. Northstar head repair in Chicagoland area
  194. Guide pins
  195. Installing Rear Main Seal with Crank Removed
  196. Heater core follows head gasket ?
  197. 99 SLS overheating, need help
  198. Fixing Head Gasket
  199. Kent-Moore VS Time-sert
  200. Bought 1998 Deville 4 days ago - overheating
  201. Northstar: Did they ever get better?
  202. I need step by step procedure to replace a 2005 STS motor LH2 quickly
  203. HG test and green result
  204. Eliminating/raising the speed limiter - how to?
  205. Water pump removal socket-northstar
  206. Lurching idle
  207. 5.3 motor
  208. 95 Eldorado alternator plug wiring
  209. OVERHEATING (Long)
  210. 2000 Deville Motor Mount Heat Shield
  211. 95-99 Engine Beauty Cover - Intake bolts Not lining up
  212. 1998 STS Trouble Codes & Emission Test
  213. A positive HG repair experience
  214. 2000 DHS transmission light on
  215. Anyone that has pulled an N*? PLEASE! I need some advice.
  216. Blown Head Gasket Help
  217. Sell or Keep N*
  218. Best way to clean the engine bay?
  219. Shops that specilize in head gasket repair.
  220. oil loadup at idle
  221. EGR Cleaning - '97 ETC
  222. engine over heating..
  223. Cleared PCM codes - now emissions test not ready
  224. Madtuner.com
  225. N* 4.6 Bad Compression, Help Please
  226. Best Replacement Mount For 2000 Deville
  227. Do not stud a Northstar
  228. Drilling and Tapping The Northstar V8......my personal experience so far.
  229. Northstar TB upgrade
  230. 2002 Deville Transaxle
  231. clogged heater core
  232. 2000 Deville Base - Front Ground Wire
  233. fuel injectors,1993 4.6 northstar VIn Y
  234. Chips
  235. my STS...its a miracle!
  236. How to clean out fuel system in a 96 Eldorado sitting for 6 years.
  237. low oil pressure-'97 SLS
  238. Northstar exhaust
  239. Update on parts I have/had
  240. Northstar Smoke On Startup
  241. O5 DeVille Is That My Lifters I Hear????
  242. 2006 4.6 northstar performance upgrades
  243. 1995 SLS questions on codes
  244. Recommend Pro Mar in NJ for a Northstar Rebuild. :)
  245. Replacing a Northstar in my 2003 Seville...what should I check for?
  246. HELP! 1999 SLS Coolant leak
  247. 2008 DTS misfire issue
  248. P 0300 code 2005 DTS - can't find the miss
  249. .030" over head gasket?
  250. 4.6L 32 valve water in oil