: Northstar Engines and System Technical Discussion



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  1. Northstar Commander 950 base Map - sand rail install
  2. overheating need help
  3. Just a head gasket failure?
  4. Northstar engine questions from Finland
  5. P 0171 and P 0174 code - 2004 Deville
  6. new generator-->ECM broken
  7. Disconnecting EGR
  8. water crossover
  9. mid case reseal tsb
  10. 4.6 N* Cylinder walls
  11. Replacing the alternator on 97 Deville Concours
  12. Ready to stud another northstar
  13. Heli-Coil removal?
  14. Northstar Performance
  15. Wanted to clean EGR but what have those engineers done now
  16. 99 N* rebuilt and burning lots of oil
  17. Northstar into Chevy Beretta swap
  18. 2001 Deville overheating... block test OK
  19. low oil pressure
  20. Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)
  21. Codes P0171, P0174 and P1258 come up on 1997 Deville
  22. Coil pack
  23. Eastern Massachusetts Cadillac shops?
  24. voltage question
  25. Bouncing Idles - 1995 SLS Northstar
  26. 2000 STS question
  27. Northstar maintenance requirements - 2005 Deville
  28. Brand New 1993-1994 Northstar Engine - Oil Leak Modified or Not
  29. Hard Starting Warm - if not Pedal to the Metal
  30. DHS 2000 won't start after changing CranKshaft and CaMshaft Position Sensors
  31. 1996 Deville over heats when ac is on
  32. HG question - 1997 Eldorado, 127000 miles
  33. need help
  34. Now what do I do? Northstar block casting porosity
  35. Coolant all over top of engine?
  36. 97 SLS Overheating - I've checked everything and need ideas
  37. 03 Deville hard idle and bogging out lower speeds
  38. 2003 Deville CKP codes
  39. P 0300 random misfire - 2000 STS
  40. Northstar Performance rebuilt engine
  41. exhaust buzzing noise 2006 dts
  42. Northstar head repair in Chicagoland area
  43. Guide pins
  44. Installing Rear Main Seal with Crank Removed
  45. Heater core follows head gasket ?
  46. 99 SLS overheating, need help
  47. Fixing Head Gasket
  48. Kent-Moore VS Time-sert
  49. Bought 1998 Deville 4 days ago - overheating
  50. Northstar: Did they ever get better?
  51. I need step by step procedure to replace a 2005 STS motor LH2 quickly
  52. HG test and green result
  53. Eliminating/raising the speed limiter - how to?
  54. Water pump removal socket-northstar
  55. Lurching idle
  56. 5.3 motor
  57. 95 Eldorado alternator plug wiring
  58. OVERHEATING (Long)
  59. 2000 Deville Motor Mount Heat Shield
  60. 95-99 Engine Beauty Cover - Intake bolts Not lining up
  61. 1998 STS Trouble Codes & Emission Test
  62. A positive HG repair experience
  63. 2000 DHS transmission light on
  64. Anyone that has pulled an N*? PLEASE! I need some advice.
  65. Blown Head Gasket Help
  66. Sell or Keep N*
  67. Best way to clean the engine bay?
  68. Shops that specilize in head gasket repair.
  69. oil loadup at idle
  70. EGR Cleaning - '97 ETC
  71. engine over heating..
  72. Cleared PCM codes - now emissions test not ready
  73. Madtuner.com
  74. N* 4.6 Bad Compression, Help Please
  75. Best Replacement Mount For 2000 Deville
  76. Do not stud a Northstar
  77. Drilling and Tapping The Northstar V8......my personal experience so far.
  78. Northstar TB upgrade
  79. 2002 Deville Transaxle
  80. clogged heater core
  81. 2000 Deville Base - Front Ground Wire
  82. fuel injectors,1993 4.6 northstar VIn Y
  83. Chips
  84. my STS...its a miracle!
  85. How to clean out fuel system in a 96 Eldorado sitting for 6 years.
  86. low oil pressure-'97 SLS
  87. Northstar exhaust
  88. Update on parts I have/had
  89. Northstar Smoke On Startup
  90. O5 DeVille Is That My Lifters I Hear????
  91. 2006 4.6 northstar performance upgrades
  92. 1995 SLS questions on codes
  93. Recommend Pro Mar in NJ for a Northstar Rebuild. :)
  94. Replacing a Northstar in my 2003 Seville...what should I check for?
  95. HELP! 1999 SLS Coolant leak
  96. 2008 DTS misfire issue
  97. P 0300 code 2005 DTS - can't find the miss
  98. .030" over head gasket?
  99. 4.6L 32 valve water in oil
  100. P 0306 code
  101. 2000 DHS - cooling system problems
  102. 1990 DeVille idles rough
  103. 1997 STS - hard start, backfire when cranking
  104. Tappets or Rocker Followers - Two Different Head Designs???
  105. 2004 0r 2006 ?
  106. Change cat?
  107. Changing the Serpentine belt on a VIN Y Northstar V8
  108. 2006 Northstar 4.6 overheating
  109. 2002 STS Bottom end repaired early on.........questions
  110. 2002 DTS Northstar questions
  111. Northstar Water Pump Mounting Changes - Year?
  112. 94 SLS feels like its going to stall when at stoplight
  113. 2000 DTS - Overheating Issues
  114. 2001 Northstar piston to rod orientation?
  115. Should I clean my EGR valve also replace air pump
  116. Best transmission for a Northstar to LaSalle Street Rod swap
  117. Would these chain tensioners cause excessive engine noise?
  118. Rebuilt 4.6 from Davis Auto Repair or Cadillac Doctor
  119. Real bad oil leak!
  120. P0719how much coukd this code cost me
  121. Drink coasters from engine cover emblems.
  122. Strange compression test results, oil inside intake manifold & smoke !!
  123. Bore heads for larger headbolts or stud/insert ?
  124. Diffrence from 2000 and 2006 northstar engine?
  125. Exxon valdez
  126. 97 ETC Head Gasket Project
  127. 1998 Deville Northstar - ready to get my hands dirty
  128. Northstar V-8 Engine - Gasoline Issue
  129. Engine shaking
  130. Piston pin
  131. Northstar cam timing and chain problem
  132. Small Oil Leak and Smell in 2000 Cadillac Deville
  133. Are 2001 y code transmissions AAN and VAN interchangeable?
  134. Crank question
  135. Where Does This Bracket Go??
  136. LD8 non-interference motor?
  137. Losing Compression
  138. where is thermostat
  139. Issues with code P 0411 - 2006 DTS
  140. 96 Deville won't idle down, hard start and backfires when cold
  141. 99 DeVille D'elegance
  142. Northstar build
  143. Intermediate Timing Chain Gear fit
  144. Fuel pressure jumping up and down on my 1998 Eldorado
  145. Mystery klanking sound.. over 200K N*
  146. GUZZLING GAS!!! 2000 Deville...
  147. 96 Northstar Build
  148. Misfire - 2001 Deville
  149. To fix the Blown Head Gasket, how hard is it if DIY?
  150. Help-Broke Oil Pressure Switch wires while replaceing CKP's 03 Deville
  151. Piston detonation evidence - 1998 Northstar
  152. Coolant crossover
  153. Northstar V8 and 4T80E questions
  154. 2002 SLS Code P 0401
  155. DTS oil level and change oil soon messages
  156. Rough Idle After Retiming.
  157. Yet another oil question - mix SAE 30 with 10W-30 ?
  158. No acceleration... 2000 Deville
  159. Northstar Manual Transmission Possibility?
  160. Idling Trouble for 2004 Deville
  161. Timing chain issue, not lining up? stretched chain possibly?
  162. Rough idle/shuddering and misfires...2004 SRX Northstar
  163. Northstar oil flow diagram - oil in a head bolt hole
  164. Coolant Temperature Problem
  165. SES Light - codes P0171 & P0174 - 2004 Seville
  166. Oil filter
  167. Used Northstar powertrains-FS
  168. production codes
  169. radiator cooling in cold temps
  170. Can anyone identify this?
  171. 2005 Northstar Knock on Start Up
  172. Swap engine from 2006-2007 into 2000 DTS ?
  173. 1994 Concours - head gasket replacement ?
  174. p0154/0151
  175. Engine cover removal
  176. Northstar Overheating Problem- Is it possible to live with or even avoid...?
  177. oops ruined a couple studs by accident
  178. Looking for a cartridge style rear main seal installer
  179. need a new motor!
  180. cataclean info
  181. Northstar Performance SLOW!!!!!!!!!!!!!!
  182. CODES of past ,present,future?
  183. CKP & OP Sensors AND Oil Filter Adapter Sealing, Servicing - Candidate 4 Sticky
  184. 1998 Eldorado failed HG
  185. need a little advice on what im looking at
  186. 97 Concours won't start now
  187. 1997 ETC engine performance upgrades
  188. 2006-2009 DTS Common Problems
  189. Engine randomly stalls when it rains and ran into another problem
  190. Pre-'05 4T80E Torque Converter Upgrade from viscous silicone to '05-later EC3?
  191. Looking for Northstar experts in or around Atlanta, GA
  192. Northstar water pump 2006-2011
  193. STP High mileage oil additive.
  194. Re: 2000+ Northstar Plenum Replacement steps
  195. NO oil war just info on dexos,please
  196. The Stumbling, The Codes and The Solution
  197. Engine knock after rebuild 2005 northstar
  198. 01 STS - Head Gasket - Perm or Temp/Quick Fix Solution
  199. Main Cap Bolt broken in block, UGHH.
  200. location of starter
  201. 1995 STS starter questions and seeking advice
  202. dog bones life span
  203. Engine parts cleaning during overhaul
  204. 2000 STS Northstar coolant problems
  205. Transaxle leaking
  206. Northstar head gasket problem
  207. 2000 Deville Code P0741 & P1860
  208. Motor Mounts
  209. Just bought a 99 Deville - question about the oil
  210. Buyer beware
  211. HOW TO: Change surge tank (and coolant) on a 96 VIN Y DeVille
  212. tapping sound
  213. hard shifting
  214. hard start, hi reving cadillac after storage
  215. oil leak. water pump camshaft
  216. 1998 caddy STS fixed wp pulleys & belt. More issues!!!
  217. Northstar - any thoughts or advice ????
  218. More big props to joe
  219. Plenum Issue??? AIR system issue ???
  220. 1999 Deville PCM codes - can you tune it?
  221. Overheating Northstars and bleeder valves
  222. How do you find tdc on cylinder #1 using timing marks?
  223. Cadillac Deville 2000 plugs and boots
  224. 2000 STS code 9 swapping to 2001 Y code engine
  225. 1996 STS - P1406 DTC with bucking and hesitation
  226. Quick and Dirty 97 Deville HG Job
  227. Check engine light won't go away???
  228. How do I drain ALL the coolant?
  229. High Mileage engine oil question
  230. Northstar Head/Engine removal
  231. A question for the more experienced N* gear-heads on site. Gasket or rings?
  232. Torque Spec for ARP Studs in Northstar
  233. Unusual noises or am I crazy?
  234. Exhaust parts needed
  235. CF chips
  236. Oil percentage - OLM information
  237. False Overheating?
  238. Issues Removing Crank Pulley
  239. Having HG problems and ordered NORTHSTAR PERFORMANCE studs...
  240. help with removing engine from 97 deville
  241. Oil Drain plug seized...can you use an air impact to remove without damage?
  242. 97 Deville Won't Start
  243. 2003 STS Idle/MAF/Coolant temp issues/Driving itself
  244. smokey the bandit!
  245. Engine misfire at certain times of the day - 2003 STS
  246. Can I use regular torque numbers on my cylinder heads?
  247. Concerns with my 1997 Northstar Engine
  248. 99 Deville Concours with cracked block!
  249. heater tube connection leak
  250. How To Remove Heater Core Hoses ? - 1997 Deville