: Northstar Engines and System Technical Discussion



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  1. North Star Engine Disappointment (copy)
  2. SJ - API oil
  3. 97 ETC exhaust manifold fasterners.
  4. Fix the engine, (HG), replace the engine?
  5. Where does this go...?
  6. PCV Valve Elbow?
  7. Pics of my oil leaks
  8. combustion leak tester
  9. Anyone used Lucas Engine Stop Leak?
  10. Water pump issue, mostly? 1994 STS
  11. 98 Deville Water Pump Fail After Serpentine Belt Replaced
  12. Water Pump - Failing When Hot
  13. Oil Pan Leak?
  14. 2002 Deville misfire on Northstar
  15. I'm gonna do a block test today
  16. Car keeps overheating
  17. Service fuel system
  18. radiator cap # ?
  19. Northstar Loan-A-Tool Program, USA shipping on stud kits
  20. EGR Major Issues..help!
  21. 2000 Deville surging?
  22. 1998 STS crankshaft position sensors location
  23. Deville engine swaps and differences
  24. Water pump won't break
  25. New business pratices and standards coming into effect Apr 15/2014
  26. AIR pump on '99
  27. 1995 STS - multiple crank cold starts
  28. Pre-diagnosing HG issues?
  29. eldo running hot
  30. Which alternator? 94 Deville Concours
  31. My 1994 Deville 4.9 is starting to show some signs.
  32. 1999 deville - replaced water pump - running hot
  33. 2009 Buick Lucerne Headgasket
  34. The American V8 - Anatomy of a Hydrolock
  35. 2005 Deville oil pan seal leak
  36. Vacuum diagram
  37. 1997 STS - Long crank/start times - (Advice / Ideas)
  38. Lower crankcase reseal - 2005 Deville
  39. My sincerest apologies and also thanks -
  40. headbolt inserts
  41. Northstar and carbon cleaning
  42. Running but ............... 2001 Northstar
  43. 2000 DTS - no power
  44. To buy or not to buy.....1998 ESC
  45. 1996 DeVille flex plate replacement
  46. engine oil in intake manifold
  47. 2004 DTS Frustrations... misfires and SES
  48. 2000 SLS powertrain/ cradle removal
  49. 98 deville coolant smell?
  50. 02 N☆ Fuel Pressure
  51. Air intake upgrade - DTS Performance ?
  52. 2007 Engine Knock 4.6 Help
  53. The Caddy lives again - Life after the dreaded head leakage
  54. 1997 Deville - EGR remove & replace
  55. Northstar head bolt hole thread repair options
  56. Northstar Production Numbers 1993-2009
  57. 2000 STS - P 0300 - rough idle
  58. 2003 Seville EGR codes
  59. 2004 DHS - CMP location ?
  60. Mechinical buzzing noise from under hood ( 2002 Deville, 150,000)
  61. Blue devil and Norhtstar:
  62. Stalling issue - slow speeds - 1998 ETC
  63. Damaged throttle cable (1998 Deville)
  64. 2000 DTS - correct replacement engine ?
  65. My experience with the water crossover job
  66. Northstar Swap Question
  67. Interesting Listing........ pre-2000 Northstar and transmission
  68. 2001 Deville oil distribution manifold plate seal leak
  69. 1998 Deville has leak at water crossover (150,000 miles)
  70. 2003 Head Gasket Repair
  71. 2006 Northstar engine problems - Buick Lucerne
  72. Water pump? 1999 STS overheating
  73. Northstar swap into a 1987 Fiero GT - engines and differences
  74. Oil Filter Pre-fill
  75. The InFamous N* Oil Leak - Oil Manifold
  76. Engine miss - 1998 Deville
  77. Priming Northstar after total rebuild
  78. Which Rear Main Seal installer do I need for a 1999 DeVille?
  79. Alt amps too high?
  80. 2003 STS engine seized
  81. Cylinder damage question....extended idling
  82. Anyone use "cadillacheadgasketfix.com" in bellflower, ca. to rebuild their Northstar?
  83. My 2000 Deville is back to life
  84. Melted camshaft water pump drive pulley
  85. 2001 Deville N* Spark plug boots questions
  86. drove over curb in fog 96 cadi died and wont restart
  87. fuel injector removal
  88. 2000 head gasket/ insert differences
  89. Northstar overheating-Repair
  90. Head porting Northstar...
  91. 01 Seville runs rough, 0306 code intermittent
  92. Attention all Northstar engine owners - Carroll Cadillac studs
  93. Questions about pre 00 Northstar oil change and use of additives
  94. Pressure in expansion tank
  95. ran out of gas now my SES light turned on any help
  96. New Northstar Crate Engines
  97. very bad coolant leak
  98. High Idle question
  99. Flowmasters on a 2003 SLS
  100. Simple spark plug question - Northstar "tune up"
  101. Results posted - Christmas Draw - FREE STUD KIT!
  102. 2004 Deville rough idle
  103. 1996 Deville fuel injectors
  104. Cylinder head bolt replacement
  105. Northstar R&D-Bench Test Apparatus
  106. Hello Cadillac/Northstar owners
  107. 1996 Deville...... 4.6 Northstar trouble......lotsa trouble.
  108. P0300 Misfire - My problem and solution + more problems...
  109. Best Engine Mounts - 1993-1994 or the newer?
  110. Blown head gasket repair
  111. occassional stalling problem
  112. 05 Deville
  113. Northstar battery life expectation
  114. 2001 DTS Valve Clearance question
  115. Fuel Pump Longevity/Milage Expectations
  116. Torquing N* head
  117. 96' Northstar cranks, will not start
  118. 01 Deville Cylinder #1 misfire
  119. bucking and kicking
  120. Northstar sitting for 12 years...need new springs?
  121. 2005 Bonneville GXP Northstar jumped time
  122. 2001 ETC Intermittent High Idle
  123. 2001 DTS won't accelerate past 2K rpms after spark plug change
  124. Advice on NorthStar coils - both ignition types
  125. Another Shout Out to Jake!!
  126. Code P 0171 showing - 1999 Deville
  127. 2001 DTS - interference engine 4.6l and timing chain replacement ?
  128. Studded heads update
  129. 1999 STS coolant questions
  130. 2000 STS NS smoking under hood after WOT
  131. Governor in NorthStar V8?
  132. O2 sensor-bank 1 S1
  133. No spark
  134. Please help! 94 SLS water pump cover...
  135. Wherer do these parts go ???
  136. Sudden Increase in Oil Consumption 2003 DHS
  137. Crankshaft pulley wobble
  138. 2001 Deville. Can't start after reinstalling engine
  139. Head gaskets and Time-Serts
  140. Oil pump?
  141. Help find part
  142. Maximum valve lift 04-05 Northstar 4.6
  143. 96' Northstar coolant leak
  144. cooling fan relays
  145. Help - 1993 Eldorado needs new engine
  146. Head Bolt Threads - Bonneville Northstar
  147. DOHC theory, any new information?
  148. Compression Ring Treatment
  149. 300 Northstar Headgasket repairs completed
  150. Where do these go?
  151. New motor to replace the northstar
  152. Northstar Replacement
  153. 2001 Deville hesitates while accelerating
  154. Retirement from the physical repairs to focus on the stud kits-
  155. The Dreaded Northstar Leaking Head Gasket- Fix, Sell or Junk?
  156. Why Leaking Headgaskets
  157. Is it dangerous - cracked flexplate on a Northstar
  158. 2008 STS engin dont swing
  159. fuel pump suddenly stops
  160. Stumble and stall
  161. Valve cover gaskets
  162. On the road again!
  163. 2001 Deville flat or domed pistons
  164. Changing the water pump "Belt?
  165. 1998 STS - Dies at speed and won't restart sometimes.
  166. Is it safe to buy a Northstar now? I can't stop driving Cadillacs!
  167. Northstar size question
  168. Need mechanic - 1994 STS Northstar near Winnipeg
  169. Northstar overheating
  170. Interchangeability of VIN: 9 and VIN: Y transmissions?
  171. Northstar Commander 950 base Map - sand rail install
  172. overheating need help
  173. Just a head gasket failure?
  174. Northstar engine questions from Finland
  175. P 0171 and P 0174 code - 2004 Deville
  176. new generator-->ECM broken
  177. Disconnecting EGR
  178. water crossover
  179. mid case reseal tsb
  180. 4.6 N* Cylinder walls
  181. Replacing the alternator on 97 Deville Concours
  182. Ready to stud another northstar
  183. Heli-Coil removal?
  184. Northstar Performance
  185. Wanted to clean EGR but what have those engineers done now
  186. 99 N* rebuilt and burning lots of oil
  187. Northstar into Chevy Beretta swap
  188. 2001 Deville overheating... block test OK
  189. low oil pressure
  190. Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)
  191. Codes P0171, P0174 and P1258 come up on 1997 Deville
  192. Coil pack
  193. Eastern Massachusetts Cadillac shops?
  194. voltage question
  195. Bouncing Idles - 1995 SLS Northstar
  196. 2000 STS question
  197. Northstar maintenance requirements - 2005 Deville
  198. Brand New 1993-1994 Northstar Engine - Oil Leak Modified or Not
  199. Hard Starting Warm - if not Pedal to the Metal
  200. DHS 2000 won't start after changing CranKshaft and CaMshaft Position Sensors
  201. 1996 Deville over heats when ac is on
  202. HG question - 1997 Eldorado, 127000 miles
  203. need help
  204. Now what do I do? Northstar block casting porosity
  205. Coolant all over top of engine?
  206. 97 SLS Overheating - I've checked everything and need ideas
  207. 03 Deville hard idle and bogging out lower speeds
  208. 2003 Deville CKP codes
  209. P 0300 random misfire - 2000 STS
  210. Northstar Performance rebuilt engine
  211. exhaust buzzing noise 2006 dts
  212. Northstar head repair in Chicagoland area
  213. Guide pins
  214. Installing Rear Main Seal with Crank Removed
  215. Heater core follows head gasket ?
  216. 99 SLS overheating, need help
  217. Fixing Head Gasket
  218. Kent-Moore VS Time-sert
  219. Bought 1998 Deville 4 days ago - overheating
  220. Northstar: Did they ever get better?
  221. I need step by step procedure to replace a 2005 STS motor LH2 quickly
  222. HG test and green result
  223. Eliminating/raising the speed limiter - how to?
  224. Water pump removal socket-northstar
  225. Lurching idle
  226. 5.3 motor
  227. 95 Eldorado alternator plug wiring
  228. OVERHEATING (Long)
  229. 2000 Deville Motor Mount Heat Shield
  230. 95-99 Engine Beauty Cover - Intake bolts Not lining up
  231. 1998 STS Trouble Codes & Emission Test
  232. A positive HG repair experience
  233. 2000 DHS transmission light on
  234. Anyone that has pulled an N*? PLEASE! I need some advice.
  235. Blown Head Gasket Help
  236. Sell or Keep N*
  237. Best way to clean the engine bay?
  238. Shops that specilize in head gasket repair.
  239. oil loadup at idle
  240. EGR Cleaning - '97 ETC
  241. engine over heating..
  242. Cleared PCM codes - now emissions test not ready
  243. Madtuner.com
  244. N* 4.6 Bad Compression, Help Please
  245. Best Replacement Mount For 2000 Deville
  246. Do not stud a Northstar
  247. Drilling and Tapping The Northstar V8......my personal experience so far.
  248. Northstar TB upgrade
  249. 2002 Deville Transaxle
  250. clogged heater core