: Northstar Engines and System Technical Discussion



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