: Northstar Engines and System Technical Discussion



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  1. The American V8 - Anatomy of a Hydrolock
  2. 2005 Deville oil pan seal leak
  3. Vacuum diagram
  4. 1997 STS - Long crank/start times - (Advice / Ideas)
  5. Lower crankcase reseal - 2005 Deville
  6. My sincerest apologies and also thanks -
  7. headbolt inserts
  8. Northstar and carbon cleaning
  9. Running but ............... 2001 Northstar
  10. 2000 DTS - no power
  11. To buy or not to buy.....1998 ESC
  12. 1996 DeVille flex plate replacement
  13. engine oil in intake manifold
  14. 2004 DTS Frustrations... misfires and SES
  15. 2000 SLS powertrain/ cradle removal
  16. 98 deville coolant smell?
  17. 02 N☆ Fuel Pressure
  18. Air intake upgrade - DTS Performance ?
  19. 2007 Engine Knock 4.6 Help
  20. The Caddy lives again - Life after the dreaded head leakage
  21. 1997 Deville - EGR remove & replace
  22. Northstar head bolt hole thread repair options
  23. Northstar Vehicle Production Numbers 1993-2009
  24. 2000 STS - P 0300 - rough idle
  25. 2003 Seville EGR codes
  26. 2004 DHS - CMP location ?
  27. Mechinical buzzing noise from under hood ( 2002 Deville, 150,000)
  28. Blue devil and Norhtstar:
  29. Stalling issue - slow speeds - 1998 ETC
  30. Damaged throttle cable (1998 Deville)
  31. 2000 DTS - correct replacement engine ?
  32. My experience with the water crossover job
  33. Northstar Swap Question
  34. Interesting Listing........ pre-2000 Northstar and transmission
  35. 2001 Deville oil distribution manifold plate seal leak
  36. 1998 Deville has leak at water crossover (150,000 miles)
  37. 2003 Head Gasket Repair
  38. 2006 Northstar engine problems - Buick Lucerne
  39. Water pump? 1999 STS overheating
  40. Northstar swap into a 1987 Fiero GT - engines and differences
  41. Oil Filter Pre-fill
  42. The InFamous N* Oil Leak - Oil Manifold
  43. Engine miss - 1998 Deville
  44. Priming Northstar after total rebuild
  45. Which Rear Main Seal installer do I need for a 1999 DeVille?
  46. Alt amps too high?
  47. 2003 STS engine seized
  48. Cylinder damage question....extended idling
  49. Anyone use "cadillacheadgasketfix.com" in bellflower, ca. to rebuild their Northstar?
  50. My 2000 Deville is back to life
  51. Melted camshaft water pump drive pulley
  52. 2001 Deville N* Spark plug boots questions
  53. drove over curb in fog 96 cadi died and wont restart
  54. fuel injector removal
  55. 2000 head gasket/ insert differences
  56. Northstar overheating-Repair
  57. Head porting Northstar...
  58. 01 Seville runs rough, 0306 code intermittent
  59. Attention all Northstar engine owners - Carroll Cadillac studs
  60. Questions about pre 00 Northstar oil change and use of additives
  61. Pressure in expansion tank
  62. ran out of gas now my SES light turned on any help
  63. New Northstar Crate Engines
  64. very bad coolant leak
  65. High Idle question
  66. Flowmasters on a 2003 SLS
  67. Simple spark plug question - Northstar "tune up"
  68. Results posted - Christmas Draw - FREE STUD KIT!
  69. 2004 Deville rough idle
  70. 1996 Deville fuel injectors
  71. Cylinder head bolt replacement
  72. Northstar R&D-Bench Test Apparatus
  73. Hello Cadillac/Northstar owners
  74. 1996 Deville...... 4.6 Northstar trouble......lotsa trouble.
  75. P0300 Misfire - My problem and solution + more problems...
  76. Best Engine Mounts - 1993-1994 or the newer?
  77. Blown head gasket repair
  78. occassional stalling problem
  79. 05 Deville
  80. Northstar battery life expectation
  81. 2001 DTS Valve Clearance question
  82. Fuel Pump Longevity/Milage Expectations
  83. Torquing N* head
  84. 96' Northstar cranks, will not start
  85. 01 Deville Cylinder #1 misfire
  86. bucking and kicking
  87. Northstar sitting for 12 years...need new springs?
  88. 2005 Bonneville GXP Northstar jumped time
  89. 2001 ETC Intermittent High Idle
  90. 2001 DTS won't accelerate past 2K rpms after spark plug change
  91. Advice on NorthStar coils - both ignition types
  92. Another Shout Out to Jake!!
  93. Code P 0171 showing - 1999 Deville
  94. 2001 DTS - interference engine 4.6l and timing chain replacement ?
  95. Studded heads update
  96. 1999 STS coolant questions
  97. 2000 STS NS smoking under hood after WOT
  98. Governor in NorthStar V8?
  99. O2 sensor-bank 1 S1
  100. No spark
  101. Please help! 94 SLS water pump cover...
  102. Wherer do these parts go ???
  103. Sudden Increase in Oil Consumption 2003 DHS
  104. Crankshaft pulley wobble
  105. 2001 Deville. Can't start after reinstalling engine
  106. Head gaskets and Time-Serts
  107. Oil pump?
  108. Help find part
  109. Maximum valve lift 04-05 Northstar 4.6
  110. 96' Northstar coolant leak
  111. cooling fan relays
  112. Help - 1993 Eldorado needs new engine
  113. Head Bolt Threads - Bonneville Northstar
  114. DOHC theory, any new information?
  115. Compression Ring Treatment
  116. Where do these go?
  117. New motor to replace the northstar
  118. Northstar Replacement
  119. 2001 Deville hesitates while accelerating
  120. Retirement from the physical repairs to focus on the stud kits-
  121. The Dreaded Northstar Leaking Head Gasket- Fix, Sell or Junk?
  122. Why Leaking Headgaskets
  123. Is it dangerous - cracked flexplate on a Northstar
  124. 2008 STS engin dont swing
  125. fuel pump suddenly stops
  126. Stumble and stall
  127. Valve cover gaskets
  128. On the road again!
  129. 2001 Deville flat or domed pistons
  130. Changing the water pump "Belt?
  131. 1998 STS - Dies at speed and won't restart sometimes.
  132. Is it safe to buy a Northstar now? I can't stop driving Cadillacs!
  133. Northstar size question
  134. Need mechanic - 1994 STS Northstar near Winnipeg
  135. Northstar overheating
  136. Interchangeability of VIN: 9 and VIN: Y transmissions?
  137. Northstar Commander 950 base Map - sand rail install
  138. overheating need help
  139. Just a head gasket failure?
  140. Northstar engine questions from Finland
  141. P 0171 and P 0174 code - 2004 Deville
  142. new generator-->ECM broken
  143. Disconnecting EGR
  144. water crossover
  145. mid case reseal tsb
  146. 4.6 N* Cylinder walls
  147. Replacing the alternator on 97 Deville Concours
  148. Ready to stud another northstar
  149. Heli-Coil removal?
  150. Northstar Performance
  151. Wanted to clean EGR but what have those engineers done now
  152. 99 N* rebuilt and burning lots of oil
  153. Northstar into Chevy Beretta swap
  154. 2001 Deville overheating... block test OK
  155. low oil pressure
  156. Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)
  157. Codes P0171, P0174 and P1258 come up on 1997 Deville
  158. Coil pack
  159. Eastern Massachusetts Cadillac shops?
  160. voltage question
  161. Bouncing Idles - 1995 SLS Northstar
  162. 2000 STS question
  163. Northstar maintenance requirements - 2005 Deville
  164. Brand New 1993-1994 Northstar Engine - Oil Leak Modified or Not
  165. Hard Starting Warm - if not Pedal to the Metal
  166. DHS 2000 won't start after changing CranKshaft and CaMshaft Position Sensors
  167. 1996 Deville over heats when ac is on
  168. HG question - 1997 Eldorado, 127000 miles
  169. need help
  170. Now what do I do? Northstar block casting porosity
  171. Coolant all over top of engine?
  172. 97 SLS Overheating - I've checked everything and need ideas
  173. 03 Deville hard idle and bogging out lower speeds
  174. 2003 Deville CKP codes
  175. P 0300 random misfire - 2000 STS
  176. Northstar Performance rebuilt engine
  177. exhaust buzzing noise 2006 dts
  178. Northstar head repair in Chicagoland area
  179. Guide pins
  180. Installing Rear Main Seal with Crank Removed
  181. Heater core follows head gasket ?
  182. 99 SLS overheating, need help
  183. Fixing Head Gasket
  184. Kent-Moore VS Time-sert
  185. Bought 1998 Deville 4 days ago - overheating
  186. Northstar: Did they ever get better?
  187. I need step by step procedure to replace a 2005 STS motor LH2 quickly
  188. HG test and green result
  189. Eliminating/raising the speed limiter - how to?
  190. Water pump removal socket-northstar
  191. Lurching idle
  192. 5.3 motor
  193. 95 Eldorado alternator plug wiring
  194. OVERHEATING (Long)
  195. 2000 Deville Motor Mount Heat Shield
  196. 95-99 Engine Beauty Cover - Intake bolts Not lining up
  197. 1998 STS Trouble Codes & Emission Test
  198. A positive HG repair experience
  199. 2000 DHS transmission light on
  200. Anyone that has pulled an N*? PLEASE! I need some advice.
  201. Blown Head Gasket Help
  202. Sell or Keep N*
  203. Best way to clean the engine bay?
  204. Shops that specilize in head gasket repair.
  205. oil loadup at idle
  206. EGR Cleaning - '97 ETC
  207. engine over heating..
  208. Cleared PCM codes - now emissions test not ready
  209. Madtuner.com
  210. N* 4.6 Bad Compression, Help Please
  211. Best Replacement Mount For 2000 Deville
  212. Do not stud a Northstar
  213. Drilling and Tapping The Northstar V8......my personal experience so far.
  214. Northstar TB upgrade
  215. 2002 Deville Transaxle
  216. clogged heater core
  217. 2000 Deville Base - Front Ground Wire
  218. fuel injectors,1993 4.6 northstar VIn Y
  219. Chips
  220. my STS...its a miracle!
  221. How to clean out fuel system in a 96 Eldorado sitting for 6 years.
  222. low oil pressure-'97 SLS
  223. Northstar exhaust
  224. Update on parts I have/had
  225. Northstar Smoke On Startup
  226. O5 DeVille Is That My Lifters I Hear????
  227. 2006 4.6 northstar performance upgrades
  228. 1995 SLS questions on codes
  229. Recommend Pro Mar in NJ for a Northstar Rebuild. :)
  230. Replacing a Northstar in my 2003 Seville...what should I check for?
  231. HELP! 1999 SLS Coolant leak
  232. 2008 DTS misfire issue
  233. P 0300 code 2005 DTS - can't find the miss
  234. .030" over head gasket?
  235. 4.6L 32 valve water in oil
  236. P 0306 code
  237. 2000 DHS - cooling system problems
  238. 1990 DeVille idles rough
  239. 1997 STS - hard start, backfire when cranking
  240. Tappets or Rocker Followers - Two Different Head Designs???
  241. 2004 0r 2006 ?
  242. Change cat?
  243. Changing the Serpentine belt on a VIN Y Northstar V8
  244. 2006 Northstar 4.6 overheating
  245. 2002 STS Bottom end repaired early on.........questions
  246. 2002 DTS Northstar questions
  247. Northstar Water Pump Mounting Changes - Year?
  248. 94 SLS feels like its going to stall when at stoplight
  249. 2000 DTS - Overheating Issues
  250. 2001 Northstar piston to rod orientation?