: Northstar Engines and System Technical Discussion



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  1. Car Stalled, won't restart
  2. Smell Coolant after Driving??
  3. 1994 STS quit in driveway, seems battery went dead.
  4. 2000 seville sts misfire
  5. Idle Air Control Valve (IAC)
  6. 94 sts intake cover gasket
  7. HG Budget for 97 STS
  8. Help.. 2000 dts tranny blown
  9. 1999 Seville SLS hard start P1350/P1375
  10. Crap!!! Coolant leak! what do I do!?!?!?
  11. 97 Northstar Oil leak
  12. 94 Eldorado Idle problem
  13. Best service manual (rebuilding)
  14. low oil pressure indictator
  15. Any idea what I should pay to get the evap solenoid replaced ?
  16. Thinking of rebuilding motor... questions..
  17. 2001 Deville getting hot
  18. Oil pressure
  19. Cooling system tablets after HG job
  20. HG Jobs for all, anywhere in Canada or USA in my new shop
  21. where to get headgasket job done?
  22. Northstar Engine Gets Gummy?
  23. STS low power
  24. Northstar engine miss
  25. 2002 Deville P3008 code
  26. Real Performance Parts for the L37
  27. HELP outta town with tranny issues
  28. Cooling fans and hard driving- temp spikes
  29. Convert 98 SLS motor into STS motor?
  30. NO Codes but stalls...
  31. Stand-alone Northstar engine/trans for swap
  32. 4T80E solenoid shift replacement
  33. N* Swap with Factory ECM and avoiding DTC's
  34. Vin lookup for engine history
  35. 1999 STS Traction Control off......Unable to turn it on.
  36. 98 deville no fan / tech 2 commanded fan on
  37. 1999 Cadillac Seville OVERHEATING :(
  38. Any differences in an Export N* Engine and a Domestic One?
  39. To much Antifreez
  40. Synthetic or Regular Oil in 08 Escalade ESV?
  41. Stalling when wet
  42. 1998 STS : Code v
  43. 02 Deville plenum question
  44. MSD Timing Controller - Question for AJ
  45. Cranshaft Main Bolts
  46. Rear Main Seal Install
  47. Where to find coolant test?
  48. Can I put a 2001 Northstar in a 1997 Eldorado?
  49. Major coolant leak
  50. I think i'm ready
  51. what to look for buying a used northstar powered car
  52. Happy ending to overheating problem
  53. 2000 sts
  54. Fully Polished Aluminum Strut Tower Brace for 98+Seville and 00+ Deville
  55. o2 sensor thread repair
  56. Bypass AC pump 94 Eldorado
  57. Northstar oil leak, main bolts
  58. 1993 Eldorado Northstar running rough
  59. Limp Mode?
  60. STS N* Rough Idle/Miss at Startup
  61. northstar aurora alternator
  62. Swap 4.9l v8 and 4.6l v8 northstar
  63. '99 STS stuck water water pump
  64. Water pump drive pulley
  65. heater on bench 1?
  66. Hello all
  67. wide engine temp swing
  68. Oil pan gasket
  69. I allmost died in my sts !!!!!, P065 drives itself
  70. 1993 seville STS
  71. cooling fan electrical diagram
  72. Fuel Injectors Revisited
  73. head gasket replacement in louisville kentucky area
  74. Cam Replacement in Car
  75. Northstar block #'s info needed on a used engine.
  76. oil filter for northstar
  77. 2000 sls overheating
  78. SLS overheating help? please?
  79. testing for bad HG
  80. 94 STS Coolant leak between block and flywheel
  81. Valve cover gaskets
  82. Hitting rev limiter in idle after startup
  83. Bad news Very Bad news
  84. EGR symptoms
  85. fuel pumps
  86. manifold pressure sensor or mat sensor
  87. Transaxle interchange
  88. TSB for Oil Consumption
  89. N*** PCM hacking Help
  90. Increasing fuel efficiency
  91. 94 Eldorado 4.6 High Idle
  92. photo shop help
  93. high engine rpm at start up
  94. Is it possible to have digital temperature display on 2002 deville ?
  95. 99 STS metallic ticking noise from valve area
  96. Bonneville GXP 1/4 mile times
  97. Time Serts, Norm's, SureGrip Stud Kit??????
  98. p080
  99. 2004 Deville 275hp... a good buy?
  100. I would like to 'update' the Performance Parts Mega-Post
  101. Questions for Ranger and Submariner409
  102. Cleaning Engine what do i cover?
  103. Any Ideas? No codes, backfire, sputter & parking brake get stuck
  104. dropping cradle: what would you replace preemptively
  105. HG and Timesert in car
  106. 1993 Cadillac Seville STS 4.6l engine bog
  107. Shoud i replace input speed sensor on 2002 deville 140k
  108. Go with studs and get warranty on a DIY HG job
  109. 2002 deville HEAD JOB and MORE --PLEASE HELP
  110. Help. 99 sts dash clicking?
  111. The ever present "miss"
  112. new engine ...?
  113. Code P0603
  114. Fire!!! Eh, not so bad..
  115. Fuel pump removal pictures
  116. No more HG jobs. I'm finished.
  117. More problems after a HG job- or are they?
  118. 02 dts high idle prob
  119. What 2 Do About GM's OHC V8 Engine.... How about the Mainstreaming of the 4.4L SC NS?
  120. 94-99 vs. 2000+ N* Oil issues
  121. RWD Northstar
  122. Running a 2005 N* on a 2006 N* PCM
  123. intake blow off flap
  124. PO155 (HO2S) Code
  125. 95 devile no heat on driver side help
  126. Clever stuff...I think?
  127. trading up
  128. Has anyone tried to put sc 3800 v6?
  129. What gives ?
  130. What is the probability of head gasket failure?
  131. Fuel Pump removal
  132. Like my N* but
  133. Motor will be coming back out after HG job!
  134. Check engine light ?
  135. 1997 deville hard start warm engine
  136. Low mileage Northstar
  137. 00 DTS Falls Flat on Face
  138. Fuel Pump repair kit
  139. Compression test for a head gasket failure
  140. Built Buick Lucerne (400HP Northstar Engine)
  141. Head Gasket Repair in Alaska
  142. Headgasket test kit ?
  143. 97 & 99 deville engine swap??????
  144. Problems After HG job!
  145. Cooling Fans
  146. P0300 and just filled coolant
  147. 01 northstar for sale
  148. northstar power
  149. 1998 STS stalling at idle
  150. New '98 Deville Owner with coolant questions
  151. Find the oil leak
  152. $28 Combustion Leak Tester Kit (Lisle)
  153. Vacuun ports on the northstar
  154. TCC converter stuck off
  155. 2002 Cadillac Deville Rad Flush tips?
  156. 99 Cadillac Seville
  157. EGR or something worse? Please help! '96 SLS
  158. adding oil between oil changes
  159. Mods for transmission during HG job?
  160. 98 SLS with valve noise - ????
  161. 98 sts northstar engine swap
  162. Coolant Question
  163. Part Number: Camshaft seal @ water pump pulley?
  164. Supercharge Your NorthStar for Free.
  165. GIVING AWAY 97 & 98 DEVILLES u pay ship
  166. Engine swap????????
  167. Freebie!
  168. How to install an Eaton/GM M90 Supercharger on a 2003 Northstar
  169. Cam Shaft Bolts!!!
  170. 95 Seville SLS cold start problem with instant fuel pressure drop.
  171. 2003 dhs p0300
  172. Just one glitch left '93 North* %$#@!!
  173. replace or rebuild???? northstar
  174. 2000 DeVille oil filter
  175. Where can I get an engine overhaul kit for 97 4.6L Northstar?
  176. blown head gasket test kit
  177. Stubborn Water Pump Removal
  178. 4.6l N* knocks in cold weather, but quiets after operating temp is reached.
  179. Convert OBDII Northstar to OBDI ???
  180. Timing chain routing??
  181. Northstar 6 Speed Manual
  182. New ECM option for Northstar swappers
  183. Arrrghh Won't start
  184. Seville Filter
  185. Cadillac N* redesign is the fastest TQ. Converter?
  186. help identify the problem !
  187. loss of power
  188. Transmission Removal/replacement
  189. Camshaft install bolt pattern
  190. instaling water pump pulley
  191. Source/Recommendations for Rebuilt Northstar Engines?
  192. Stumble at hot idle, stalling
  193. detonation-preignition
  194. 95 Eldorado has SLOW starting Issue.
  195. Problem after 99 STS Headbolt stripped and repaired
  196. Guide Pin / Alignment Pin Removal The Easy Way
  197. My Northstar is running...
  198. 94 Concours intermittant no start
  199. Unique engine swap, need help deciding which N*
  200. Having a lil trouble holding 4th
  201. 2003 Northstar into a 2001 Deville
  202. TCC Solenoid - Please Help!!
  203. Where did the MPG go?
  204. Intake manifold
  205. 01 SLS Problems
  206. Anyone ever do a headgasket in the car?
  207. traction control input and output data
  208. Fly wheel/starter prof replaced, now oil leak?
  209. Keep getting same code.
  210. Cold starts not so good...
  211. 2001 DTS valvetrain noise after HG job?!
  212. Half Case Seal....
  213. P0153 - HO2S Slow Response Bank 2 Sensor 1
  214. Oil leak on STS, oil pan?
  215. 1994 eldorado coolant leak
  216. failed smog test again. the HC is still high @15MPH
  217. what resonator reduces drone, but not volume? (corsa not option)
  218. Water crossover parts to replace?
  219. intake and top cover 94 Seville STS 4.6
  220. 00 STS Air Pumps; how many of them?
  221. oil pressure
  222. Have a Northstar engine, what should I do with it?
  223. Code help...please!!!!!
  224. Help with o2 sensor--no cat--code p0146
  225. Anyone here an attorney - re: Head gasket failures?
  226. what happend to my kruella
  227. 6 of 8 spark plugs are oily!
  228. Code Assistance
  229. HG cause emissions test failure?
  230. new DTS. wide open throttle?
  231. Quick question: about to order from Rockauto
  232. Remote start
  233. 01 dhs over heating HELP!! PLEASE
  234. Questions about my Headgasket Job
  235. Curse stop leak and fast talking sales men!!
  236. Onboard computer and the octane rating of the fuel being used.
  237. 99 Deville Northstar-New fuel pump, but wont start
  238. need help on north star wire replacing...
  239. codes 073 and 1644
  240. Ranger Should Write a Caddy What to Expect Book
  241. 1st Annual Northstar Meet
  242. Dtc 730
  243. Northstar Stud Kits ready to ship!
  244. 98 SLS screeching noise from egen.
  245. ICM weak spark, have questions
  246. How to drop the cradle?
  247. Wheres my coolant going????
  248. front driver o2 sensor, where do connector wire lead to??
  249. Just got Headgaskets done. Still yellow liquid.
  250. Alternator Bearing Replacement?