: Northstar Engines and System Technical Discussion



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  1. Northstar Swap Question
  2. Interesting Listing........ pre-2000 Northstar and transmission
  3. 2001 Deville oil distribution manifold plate seal leak
  4. 1998 Deville has leak at water crossover (150,000 miles)
  5. 2003 Head Gasket Repair
  6. 2006 Northstar engine problems - Buick Lucerne
  7. Water pump? 1999 STS overheating
  8. Northstar swap into a 1987 Fiero GT - engines and differences
  9. Oil Filter Pre-fill
  10. The InFamous N* Oil Leak - Oil Manifold
  11. Engine miss - 1998 Deville
  12. Priming Northstar after total rebuild
  13. Which Rear Main Seal installer do I need for a 1999 DeVille?
  14. Alt amps too high?
  15. 2003 STS engine seized
  16. Cylinder damage question....extended idling
  17. Anyone use "cadillacheadgasketfix.com" in bellflower, ca. to rebuild their Northstar?
  18. My 2000 Deville is back to life
  19. Melted camshaft water pump drive pulley
  20. 2001 Deville N* Spark plug boots questions
  21. drove over curb in fog 96 cadi died and wont restart
  22. fuel injector removal
  23. 2000 head gasket/ insert differences
  24. Northstar overheating-Repair
  25. Head porting Northstar...
  26. 01 Seville runs rough, 0306 code intermittent
  27. Attention all Northstar engine owners - Carroll Cadillac studs
  28. Questions about pre 00 Northstar oil change and use of additives
  29. Pressure in expansion tank
  30. ran out of gas now my SES light turned on any help
  31. New Northstar Crate Engines
  32. very bad coolant leak
  33. High Idle question
  34. Flowmasters on a 2003 SLS
  35. Simple spark plug question - Northstar "tune up"
  36. Results posted - Christmas Draw - FREE STUD KIT!
  37. 2004 Deville rough idle
  38. 1996 Deville fuel injectors
  39. Cylinder head bolt replacement
  40. Northstar R&D-Bench Test Apparatus
  41. Hello Cadillac/Northstar owners
  42. 1996 Deville...... 4.6 Northstar trouble......lotsa trouble.
  43. P0300 Misfire - My problem and solution + more problems...
  44. Best Engine Mounts - 1993-1994 or the newer?
  45. Blown head gasket repair
  46. occassional stalling problem
  47. 05 Deville
  48. Northstar battery life expectation
  49. 2001 DTS Valve Clearance question
  50. Fuel Pump Longevity/Milage Expectations
  51. Torquing N* head
  52. 96' Northstar cranks, will not start
  53. 01 Deville Cylinder #1 misfire
  54. bucking and kicking
  55. Northstar sitting for 12 years...need new springs?
  56. 2005 Bonneville GXP Northstar jumped time
  57. 2001 ETC Intermittent High Idle
  58. 2001 DTS won't accelerate past 2K rpms after spark plug change
  59. Advice on NorthStar coils - both ignition types
  60. Another Shout Out to Jake!!
  61. Code P 0171 showing - 1999 Deville
  62. 2001 DTS - interference engine 4.6l and timing chain replacement ?
  63. Studded heads update
  64. 1999 STS coolant questions
  65. 2000 STS NS smoking under hood after WOT
  66. Governor in NorthStar V8?
  67. O2 sensor-bank 1 S1
  68. No spark
  69. Please help! 94 SLS water pump cover...
  70. Wherer do these parts go ???
  71. Sudden Increase in Oil Consumption 2003 DHS
  72. Crankshaft pulley wobble
  73. 2001 Deville. Can't start after reinstalling engine
  74. Head gaskets and Time-Serts
  75. Oil pump?
  76. Help find part
  77. Maximum valve lift 04-05 Northstar 4.6
  78. 96' Northstar coolant leak
  79. cooling fan relays
  80. Help - 1993 Eldorado needs new engine
  81. Head Bolt Threads - Bonneville Northstar
  82. DOHC theory, any new information?
  83. Compression Ring Treatment
  84. 400 Northstar Headgasket repairs completed
  85. Where do these go?
  86. New motor to replace the northstar
  87. Northstar Replacement
  88. 2001 Deville hesitates while accelerating
  89. Retirement from the physical repairs to focus on the stud kits-
  90. The Dreaded Northstar Leaking Head Gasket- Fix, Sell or Junk?
  91. Why Leaking Headgaskets
  92. Is it dangerous - cracked flexplate on a Northstar
  93. 2008 STS engin dont swing
  94. fuel pump suddenly stops
  95. Stumble and stall
  96. Valve cover gaskets
  97. On the road again!
  98. 2001 Deville flat or domed pistons
  99. Changing the water pump "Belt?
  100. 1998 STS - Dies at speed and won't restart sometimes.
  101. Is it safe to buy a Northstar now? I can't stop driving Cadillacs!
  102. Northstar size question
  103. Need mechanic - 1994 STS Northstar near Winnipeg
  104. Northstar overheating
  105. Interchangeability of VIN: 9 and VIN: Y transmissions?
  106. Northstar Commander 950 base Map - sand rail install
  107. overheating need help
  108. Just a head gasket failure?
  109. Northstar engine questions from Finland
  110. P 0171 and P 0174 code - 2004 Deville
  111. new generator-->ECM broken
  112. Disconnecting EGR
  113. water crossover
  114. mid case reseal tsb
  115. 4.6 N* Cylinder walls
  116. Replacing the alternator on 97 Deville Concours
  117. Ready to stud another northstar
  118. Heli-Coil removal?
  119. Northstar Performance
  120. Wanted to clean EGR but what have those engineers done now
  121. 99 N* rebuilt and burning lots of oil
  122. Northstar into Chevy Beretta swap
  123. 2001 Deville overheating... block test OK
  124. low oil pressure
  125. Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)
  126. Codes P0171, P0174 and P1258 come up on 1997 Deville
  127. Coil pack
  128. Eastern Massachusetts Cadillac shops?
  129. voltage question
  130. Bouncing Idles - 1995 SLS Northstar
  131. 2000 STS question
  132. Northstar maintenance requirements - 2005 Deville
  133. Brand New 1993-1994 Northstar Engine - Oil Leak Modified or Not
  134. Hard Starting Warm - if not Pedal to the Metal
  135. DHS 2000 won't start after changing CranKshaft and CaMshaft Position Sensors
  136. 1996 Deville over heats when ac is on
  137. HG question - 1997 Eldorado, 127000 miles
  138. need help
  139. Now what do I do? Northstar block casting porosity
  140. Coolant all over top of engine?
  141. 97 SLS Overheating - I've checked everything and need ideas
  142. 03 Deville hard idle and bogging out lower speeds
  143. 2003 Deville CKP codes
  144. P 0300 random misfire - 2000 STS
  145. Northstar Performance rebuilt engine
  146. exhaust buzzing noise 2006 dts
  147. Northstar head repair in Chicagoland area
  148. Guide pins
  149. Installing Rear Main Seal with Crank Removed
  150. Heater core follows head gasket ?
  151. 99 SLS overheating, need help
  152. Fixing Head Gasket
  153. Kent-Moore VS Time-sert
  154. Bought 1998 Deville 4 days ago - overheating
  155. Northstar: Did they ever get better?
  156. I need step by step procedure to replace a 2005 STS motor LH2 quickly
  157. HG test and green result
  158. Eliminating/raising the speed limiter - how to?
  159. Water pump removal socket-northstar
  160. Lurching idle
  161. 5.3 motor
  162. 95 Eldorado alternator plug wiring
  163. OVERHEATING (Long)
  164. 2000 Deville Motor Mount Heat Shield
  165. 95-99 Engine Beauty Cover - Intake bolts Not lining up
  166. 1998 STS Trouble Codes & Emission Test
  167. A positive HG repair experience
  168. 2000 DHS transmission light on
  169. Anyone that has pulled an N*? PLEASE! I need some advice.
  170. Blown Head Gasket Help
  171. Sell or Keep N*
  172. Best way to clean the engine bay?
  173. Shops that specilize in head gasket repair.
  174. oil loadup at idle
  175. EGR Cleaning - '97 ETC
  176. engine over heating..
  177. Cleared PCM codes - now emissions test not ready
  178. Madtuner.com
  179. N* 4.6 Bad Compression, Help Please
  180. Best Replacement Mount For 2000 Deville
  181. Do not stud a Northstar
  182. Drilling and Tapping The Northstar V8......my personal experience so far.
  183. Northstar TB upgrade
  184. 2002 Deville Transaxle
  185. clogged heater core
  186. 2000 Deville Base - Front Ground Wire
  187. fuel injectors,1993 4.6 northstar VIn Y
  188. Chips
  189. my STS...its a miracle!
  190. How to clean out fuel system in a 96 Eldorado sitting for 6 years.
  191. low oil pressure-'97 SLS
  192. Northstar exhaust
  193. Update on parts I have/had
  194. Northstar Smoke On Startup
  195. O5 DeVille Is That My Lifters I Hear????
  196. 2006 4.6 northstar performance upgrades
  197. 1995 SLS questions on codes
  198. Recommend Pro Mar in NJ for a Northstar Rebuild. :)
  199. Replacing a Northstar in my 2003 Seville...what should I check for?
  200. HELP! 1999 SLS Coolant leak
  201. 2008 DTS misfire issue
  202. P 0300 code 2005 DTS - can't find the miss
  203. .030" over head gasket?
  204. 4.6L 32 valve water in oil
  205. P 0306 code
  206. 2000 DHS - cooling system problems
  207. 1990 DeVille idles rough
  208. 1997 STS - hard start, backfire when cranking
  209. Tappets or Rocker Followers - Two Different Head Designs???
  210. 2004 0r 2006 ?
  211. Change cat?
  212. Changing the Serpentine belt on a VIN Y Northstar V8
  213. 2006 Northstar 4.6 overheating
  214. 2002 STS Bottom end repaired early on.........questions
  215. 2002 DTS Northstar questions
  216. Northstar Water Pump Mounting Changes - Year?
  217. 94 SLS feels like its going to stall when at stoplight
  218. 2000 DTS - Overheating Issues
  219. 2001 Northstar piston to rod orientation?
  220. Should I clean my EGR valve also replace air pump
  221. Best transmission for a Northstar to LaSalle Street Rod swap
  222. Would these chain tensioners cause excessive engine noise?
  223. Rebuilt 4.6 from Davis Auto Repair or Cadillac Doctor
  224. Real bad oil leak!
  225. P0719how much coukd this code cost me
  226. Drink coasters from engine cover emblems.
  227. Strange compression test results, oil inside intake manifold & smoke !!
  228. Bore heads for larger headbolts or stud/insert ?
  229. Diffrence from 2000 and 2006 northstar engine?
  230. Exxon valdez
  231. 97 ETC Head Gasket Project
  232. 1998 Deville Northstar - ready to get my hands dirty
  233. Northstar V-8 Engine - Gasoline Issue
  234. Engine shaking
  235. Piston pin
  236. Northstar cam timing and chain problem
  237. Small Oil Leak and Smell in 2000 Cadillac Deville
  238. Are 2001 y code transmissions AAN and VAN interchangeable?
  239. Crank question
  240. Where Does This Bracket Go??
  241. LD8 non-interference motor?
  242. Losing Compression
  243. where is thermostat
  244. Issues with code P 0411 - 2006 DTS
  245. 96 Deville won't idle down, hard start and backfires when cold
  246. 99 DeVille D'elegance
  247. Northstar build
  248. Intermediate Timing Chain Gear fit
  249. Fuel pressure jumping up and down on my 1998 Eldorado
  250. Mystery klanking sound.. over 200K N*