: Northstar Engines and System Technical Discussion



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  1. Engine miss - 1998 Deville
  2. Priming Northstar after total rebuild
  3. Which Rear Main Seal installer do I need for a 1999 DeVille?
  4. Alt amps too high?
  5. 2003 STS engine seized
  6. Cylinder damage question....extended idling
  7. Anyone use "cadillacheadgasketfix.com" in bellflower, ca. to rebuild their Northstar?
  8. My 2000 Deville is back to life
  9. Melted camshaft water pump drive pulley
  10. 2001 Deville N* Spark plug boots questions
  11. drove over curb in fog 96 cadi died and wont restart
  12. fuel injector removal
  13. 2000 head gasket/ insert differences
  14. Northstar overheating-Repair
  15. Head porting Northstar...
  16. 01 Seville runs rough, 0306 code intermittent
  17. Attention all Northstar engine owners - Carroll Cadillac studs
  18. Questions about pre 00 Northstar oil change and use of additives
  19. Pressure in expansion tank
  20. ran out of gas now my SES light turned on any help
  21. New Northstar Crate Engines
  22. very bad coolant leak
  23. High Idle question
  24. Flowmasters on a 2003 SLS
  25. Simple spark plug question - Northstar "tune up"
  26. Results posted - Christmas Draw - FREE STUD KIT!
  27. 2004 Deville rough idle
  28. 1996 Deville fuel injectors
  29. Cylinder head bolt replacement
  30. Northstar R&D-Bench Test Apparatus
  31. Hello Cadillac/Northstar owners
  32. 1996 Deville...... 4.6 Northstar trouble......lotsa trouble.
  33. P0300 Misfire - My problem and solution + more problems...
  34. Best Engine Mounts - 1993-1994 or the newer?
  35. Blown head gasket repair
  36. occassional stalling problem
  37. 05 Deville
  38. Northstar battery life expectation
  39. 2001 DTS Valve Clearance question
  40. Fuel Pump Longevity/Milage Expectations
  41. Torquing N* head
  42. 96' Northstar cranks, will not start
  43. 01 Deville Cylinder #1 misfire
  44. bucking and kicking
  45. Northstar sitting for 12 years...need new springs?
  46. 2005 Bonneville GXP Northstar jumped time
  47. 2001 ETC Intermittent High Idle
  48. 2001 DTS won't accelerate past 2K rpms after spark plug change
  49. Advice on NorthStar coils - both ignition types
  50. Another Shout Out to Jake!!
  51. Code P 0171 showing - 1999 Deville
  52. 2001 DTS - interference engine 4.6l and timing chain replacement ?
  53. Studded heads update
  54. 1999 STS coolant questions
  55. 2000 STS NS smoking under hood after WOT
  56. Governor in NorthStar V8?
  57. O2 sensor-bank 1 S1
  58. No spark
  59. Please help! 94 SLS water pump cover...
  60. Wherer do these parts go ???
  61. Sudden Increase in Oil Consumption 2003 DHS
  62. Crankshaft pulley wobble
  63. 2001 Deville. Can't start after reinstalling engine
  64. Head gaskets and Time-Serts
  65. Oil pump?
  66. Help find part
  67. Maximum valve lift 04-05 Northstar 4.6
  68. 96' Northstar coolant leak
  69. cooling fan relays
  70. Help - 1993 Eldorado needs new engine
  71. Head Bolt Threads - Bonneville Northstar
  72. DOHC theory, any new information?
  73. Compression Ring Treatment
  74. Where do these go?
  75. New motor to replace the northstar
  76. Northstar Replacement
  77. 2001 Deville hesitates while accelerating
  78. Retirement from the physical repairs to focus on the stud kits-
  79. The Dreaded Northstar Leaking Head Gasket- Fix, Sell or Junk?
  80. Why Leaking Headgaskets
  81. Is it dangerous - cracked flexplate on a Northstar
  82. 2008 STS engin dont swing
  83. fuel pump suddenly stops
  84. Stumble and stall
  85. Valve cover gaskets
  86. On the road again!
  87. 2001 Deville flat or domed pistons
  88. Changing the water pump "Belt?
  89. 1998 STS - Dies at speed and won't restart sometimes.
  90. Is it safe to buy a Northstar now? I can't stop driving Cadillacs!
  91. Northstar size question
  92. Need mechanic - 1994 STS Northstar near Winnipeg
  93. Northstar overheating
  94. Interchangeability of VIN: 9 and VIN: Y transmissions?
  95. Northstar Commander 950 base Map - sand rail install
  96. overheating need help
  97. Just a head gasket failure?
  98. Northstar engine questions from Finland
  99. P 0171 and P 0174 code - 2004 Deville
  100. new generator-->ECM broken
  101. Disconnecting EGR
  102. water crossover
  103. mid case reseal tsb
  104. 4.6 N* Cylinder walls
  105. Replacing the alternator on 97 Deville Concours
  106. Ready to stud another northstar
  107. Heli-Coil removal?
  108. Northstar Performance
  109. Wanted to clean EGR but what have those engineers done now
  110. 99 N* rebuilt and burning lots of oil
  111. Northstar into Chevy Beretta swap
  112. 2001 Deville overheating... block test OK
  113. low oil pressure
  114. Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)
  115. Codes P0171, P0174 and P1258 come up on 1997 Deville
  116. Coil pack
  117. Eastern Massachusetts Cadillac shops?
  118. voltage question
  119. Bouncing Idles - 1995 SLS Northstar
  120. 2000 STS question
  121. Northstar maintenance requirements - 2005 Deville
  122. Brand New 1993-1994 Northstar Engine - Oil Leak Modified or Not
  123. Hard Starting Warm - if not Pedal to the Metal
  124. DHS 2000 won't start after changing CranKshaft and CaMshaft Position Sensors
  125. 1996 Deville over heats when ac is on
  126. HG question - 1997 Eldorado, 127000 miles
  127. need help
  128. Now what do I do? Northstar block casting porosity
  129. Coolant all over top of engine?
  130. 97 SLS Overheating - I've checked everything and need ideas
  131. 03 Deville hard idle and bogging out lower speeds
  132. 2003 Deville CKP codes
  133. P 0300 random misfire - 2000 STS
  134. Northstar Performance rebuilt engine
  135. exhaust buzzing noise 2006 dts
  136. Northstar head repair in Chicagoland area
  137. Guide pins
  138. Installing Rear Main Seal with Crank Removed
  139. Heater core follows head gasket ?
  140. 99 SLS overheating, need help
  141. Fixing Head Gasket
  142. Kent-Moore VS Time-sert
  143. Bought 1998 Deville 4 days ago - overheating
  144. Northstar: Did they ever get better?
  145. I need step by step procedure to replace a 2005 STS motor LH2 quickly
  146. HG test and green result
  147. Eliminating/raising the speed limiter - how to?
  148. Water pump removal socket-northstar
  149. Lurching idle
  150. 5.3 motor
  151. 95 Eldorado alternator plug wiring
  152. OVERHEATING (Long)
  153. 2000 Deville Motor Mount Heat Shield
  154. 95-99 Engine Beauty Cover - Intake bolts Not lining up
  155. 1998 STS Trouble Codes & Emission Test
  156. A positive HG repair experience
  157. 2000 DHS transmission light on
  158. Anyone that has pulled an N*? PLEASE! I need some advice.
  159. Blown Head Gasket Help
  160. Sell or Keep N*
  161. Best way to clean the engine bay?
  162. Shops that specilize in head gasket repair.
  163. oil loadup at idle
  164. EGR Cleaning - '97 ETC
  165. engine over heating..
  166. Cleared PCM codes - now emissions test not ready
  167. Madtuner.com
  168. N* 4.6 Bad Compression, Help Please
  169. Best Replacement Mount For 2000 Deville
  170. Do not stud a Northstar
  171. Drilling and Tapping The Northstar V8......my personal experience so far.
  172. Northstar TB upgrade
  173. 2002 Deville Transaxle
  174. clogged heater core
  175. 2000 Deville Base - Front Ground Wire
  176. fuel injectors,1993 4.6 northstar VIn Y
  177. Chips
  178. my STS...its a miracle!
  179. How to clean out fuel system in a 96 Eldorado sitting for 6 years.
  180. low oil pressure-'97 SLS
  181. Northstar exhaust
  182. Update on parts I have/had
  183. Northstar Smoke On Startup
  184. O5 DeVille Is That My Lifters I Hear????
  185. 2006 4.6 northstar performance upgrades
  186. 1995 SLS questions on codes
  187. Recommend Pro Mar in NJ for a Northstar Rebuild. :)
  188. Replacing a Northstar in my 2003 Seville...what should I check for?
  189. HELP! 1999 SLS Coolant leak
  190. 2008 DTS misfire issue
  191. P 0300 code 2005 DTS - can't find the miss
  192. .030" over head gasket?
  193. 4.6L 32 valve water in oil
  194. P 0306 code
  195. 2000 DHS - cooling system problems
  196. 1990 DeVille idles rough
  197. 1997 STS - hard start, backfire when cranking
  198. Tappets or Rocker Followers - Two Different Head Designs???
  199. 2004 0r 2006 ?
  200. Change cat?
  201. Changing the Serpentine belt on a VIN Y Northstar V8
  202. 2006 Northstar 4.6 overheating
  203. 2002 STS Bottom end repaired early on.........questions
  204. 2002 DTS Northstar questions
  205. Northstar Water Pump Mounting Changes - Year?
  206. 94 SLS feels like its going to stall when at stoplight
  207. 2000 DTS - Overheating Issues
  208. 2001 Northstar piston to rod orientation?
  209. Should I clean my EGR valve also replace air pump
  210. Best transmission for a Northstar to LaSalle Street Rod swap
  211. Would these chain tensioners cause excessive engine noise?
  212. Rebuilt 4.6 from Davis Auto Repair or Cadillac Doctor
  213. Real bad oil leak!
  214. P0719how much coukd this code cost me
  215. Drink coasters from engine cover emblems.
  216. Strange compression test results, oil inside intake manifold & smoke !!
  217. Bore heads for larger headbolts or stud/insert ?
  218. Diffrence from 2000 and 2006 northstar engine?
  219. Exxon valdez
  220. 97 ETC Head Gasket Project
  221. 1998 Deville Northstar - ready to get my hands dirty
  222. Northstar V-8 Engine - Gasoline Issue
  223. Engine shaking
  224. Piston pin
  225. Northstar cam timing and chain problem
  226. Small Oil Leak and Smell in 2000 Cadillac Deville
  227. Are 2001 y code transmissions AAN and VAN interchangeable?
  228. Crank question
  229. Where Does This Bracket Go??
  230. LD8 non-interference motor?
  231. Losing Compression
  232. where is thermostat
  233. Issues with code P 0411 - 2006 DTS
  234. 96 Deville won't idle down, hard start and backfires when cold
  235. 99 DeVille D'elegance
  236. Northstar build
  237. Intermediate Timing Chain Gear fit
  238. Fuel pressure jumping up and down on my 1998 Eldorado
  239. Mystery klanking sound.. over 200K N*
  240. GUZZLING GAS!!! 2000 Deville...
  241. 96 Northstar Build
  242. Misfire - 2001 Deville
  243. To fix the Blown Head Gasket, how hard is it if DIY?
  244. Help-Broke Oil Pressure Switch wires while replaceing CKP's 03 Deville
  245. Piston detonation evidence - 1998 Northstar
  246. Coolant crossover
  247. Northstar V8 and 4T80E questions
  248. 2002 SLS Code P 0401
  249. DTS oil level and change oil soon messages
  250. Rough Idle After Retiming.