: Northstar Engines and System Technical Discussion



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