: Northstar Engines and System Technical Discussion



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