: Northstar Engines and System Technical Discussion



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  1. I allmost died in my sts !!!!!, P065 drives itself
  2. 1993 seville STS
  3. cooling fan electrical diagram
  4. Fuel Injectors Revisited
  5. head gasket replacement in louisville kentucky area
  6. Cam Replacement in Car
  7. Northstar block #'s info needed on a used engine.
  8. oil filter for northstar
  9. 2000 sls overheating
  10. SLS overheating help? please?
  11. testing for bad HG
  12. 94 STS Coolant leak between block and flywheel
  13. Valve cover gaskets
  14. Hitting rev limiter in idle after startup
  15. Bad news Very Bad news
  16. EGR symptoms
  17. fuel pumps
  18. manifold pressure sensor or mat sensor
  19. Transaxle interchange
  20. TSB for Oil Consumption
  21. N*** PCM hacking Help
  22. Increasing fuel efficiency
  23. 94 Eldorado 4.6 High Idle
  24. photo shop help
  25. high engine rpm at start up
  26. Is it possible to have digital temperature display on 2002 deville ?
  27. 99 STS metallic ticking noise from valve area
  28. Bonneville GXP 1/4 mile times
  29. Time Serts, Norm's, SureGrip Stud Kit??????
  30. p080
  31. 2004 Deville 275hp... a good buy?
  32. I would like to 'update' the Performance Parts Mega-Post
  33. Questions for Ranger and Submariner409
  34. Cleaning Engine what do i cover?
  35. Any Ideas? No codes, backfire, sputter & parking brake get stuck
  36. dropping cradle: what would you replace preemptively
  37. HG and Timesert in car
  38. 1993 Cadillac Seville STS 4.6l engine bog
  39. Shoud i replace input speed sensor on 2002 deville 140k
  40. Go with studs and get warranty on a DIY HG job
  41. 2002 deville HEAD JOB and MORE --PLEASE HELP
  42. Help. 99 sts dash clicking?
  43. The ever present "miss"
  44. new engine ...?
  45. Code P0603
  46. Fire!!! Eh, not so bad..
  47. Fuel pump removal pictures
  48. No more HG jobs. I'm finished.
  49. More problems after a HG job- or are they?
  50. 02 dts high idle prob
  51. What 2 Do About GM's OHC V8 Engine.... How about the Mainstreaming of the 4.4L SC NS?
  52. 94-99 vs. 2000+ N* Oil issues
  53. RWD Northstar
  54. Running a 2005 N* on a 2006 N* PCM
  55. intake blow off flap
  56. PO155 (HO2S) Code
  57. 95 devile no heat on driver side help
  58. Clever stuff...I think?
  59. trading up
  60. Has anyone tried to put sc 3800 v6?
  61. What gives ?
  62. What is the probability of head gasket failure?
  63. Fuel Pump removal
  64. Like my N* but
  65. Motor will be coming back out after HG job!
  66. Check engine light ?
  67. 1997 deville hard start warm engine
  68. Low mileage Northstar
  69. 00 DTS Falls Flat on Face
  70. Fuel Pump repair kit
  71. Compression test for a head gasket failure
  72. Built Buick Lucerne (400HP Northstar Engine)
  73. Head Gasket Repair in Alaska
  74. Headgasket test kit ?
  75. 97 & 99 deville engine swap??????
  76. Problems After HG job!
  77. Cooling Fans
  78. P0300 and just filled coolant
  79. 01 northstar for sale
  80. northstar power
  81. 1998 STS stalling at idle
  82. New '98 Deville Owner with coolant questions
  83. Find the oil leak
  84. $28 Combustion Leak Tester Kit (Lisle)
  85. Vacuun ports on the northstar
  86. TCC converter stuck off
  87. 2002 Cadillac Deville Rad Flush tips?
  88. 99 Cadillac Seville
  89. EGR or something worse? Please help! '96 SLS
  90. adding oil between oil changes
  91. Mods for transmission during HG job?
  92. 98 SLS with valve noise - ????
  93. 98 sts northstar engine swap
  94. Coolant Question
  95. Part Number: Camshaft seal @ water pump pulley?
  96. Supercharge Your NorthStar for Free.
  97. GIVING AWAY 97 & 98 DEVILLES u pay ship
  98. Engine swap????????
  99. Freebie!
  100. How to install an Eaton/GM M90 Supercharger on a 2003 Northstar
  101. Cam Shaft Bolts!!!
  102. 95 Seville SLS cold start problem with instant fuel pressure drop.
  103. 2003 dhs p0300
  104. Just one glitch left '93 North* %$#@!!
  105. replace or rebuild???? northstar
  106. 2000 DeVille oil filter
  107. Where can I get an engine overhaul kit for 97 4.6L Northstar?
  108. blown head gasket test kit
  109. Stubborn Water Pump Removal
  110. 4.6l N* knocks in cold weather, but quiets after operating temp is reached.
  111. Convert OBDII Northstar to OBDI ???
  112. Timing chain routing??
  113. Northstar 6 Speed Manual
  114. New ECM option for Northstar swappers
  115. Arrrghh Won't start
  116. Seville Filter
  117. Cadillac N* redesign is the fastest TQ. Converter?
  118. help identify the problem !
  119. loss of power
  120. Transmission Removal/replacement
  121. Camshaft install bolt pattern
  122. instaling water pump pulley
  123. Source/Recommendations for Rebuilt Northstar Engines?
  124. Stumble at hot idle, stalling
  125. detonation-preignition
  126. 95 Eldorado has SLOW starting Issue.
  127. Problem after 99 STS Headbolt stripped and repaired
  128. Guide Pin / Alignment Pin Removal The Easy Way
  129. My Northstar is running...
  130. 94 Concours intermittant no start
  131. Unique engine swap, need help deciding which N*
  132. Having a lil trouble holding 4th
  133. 2003 Northstar into a 2001 Deville
  134. TCC Solenoid - Please Help!!
  135. Where did the MPG go?
  136. Intake manifold
  137. 01 SLS Problems
  138. Anyone ever do a headgasket in the car?
  139. traction control input and output data
  140. Fly wheel/starter prof replaced, now oil leak?
  141. Keep getting same code.
  142. Cold starts not so good...
  143. 2001 DTS valvetrain noise after HG job?!
  144. Half Case Seal....
  145. P0153 - HO2S Slow Response Bank 2 Sensor 1
  146. Oil leak on STS, oil pan?
  147. 1994 eldorado coolant leak
  148. failed smog test again. the HC is still high @15MPH
  149. what resonator reduces drone, but not volume? (corsa not option)
  150. Water crossover parts to replace?
  151. intake and top cover 94 Seville STS 4.6
  152. 00 STS Air Pumps; how many of them?
  153. oil pressure
  154. Have a Northstar engine, what should I do with it?
  155. Code help...please!!!!!
  156. Help with o2 sensor--no cat--code p0146
  157. Anyone here an attorney - re: Head gasket failures?
  158. what happend to my kruella
  159. 6 of 8 spark plugs are oily!
  160. Code Assistance
  161. HG cause emissions test failure?
  162. new DTS. wide open throttle?
  163. Quick question: about to order from Rockauto
  164. Remote start
  165. 01 dhs over heating HELP!! PLEASE
  166. Questions about my Headgasket Job
  167. Curse stop leak and fast talking sales men!!
  168. Onboard computer and the octane rating of the fuel being used.
  169. 99 Deville Northstar-New fuel pump, but wont start
  170. need help on north star wire replacing...
  171. codes 073 and 1644
  172. Ranger Should Write a Caddy What to Expect Book
  173. 1st Annual Northstar Meet
  174. Dtc 730
  175. Northstar Stud Kits ready to ship!
  176. 98 SLS screeching noise from egen.
  177. ICM weak spark, have questions
  178. How to drop the cradle?
  179. Wheres my coolant going????
  180. front driver o2 sensor, where do connector wire lead to??
  181. Just got Headgaskets done. Still yellow liquid.
  182. Alternator Bearing Replacement?
  183. 01 STS Cracked Block Rebuilt Engine Recomendations
  184. Didn't pass emission. Got a high NO. Shouldn't use regular Gas(87)?
  185. A spike in coolant temp '93 North*
  186. 2007 XLR 4.6 in a Hot Rod!
  187. Testing MAF Sensor on '97 N* ??
  188. 02 SLS not liking the cold weather
  189. New Eldo Owner: Speed Limiter Question
  190. Damned Motor Mounts
  191. weak fuel pump question
  192. Low oil pressure/stop engine message
  193. '03 SLS - "Surges" at slowdown and stoplights
  194. torque convertor clutch solenoid
  195. Service Electrical System
  196. EGR Removal / Steel fuel rails
  197. advice needed - stubborn tight spark plug
  198. Motor swap,
  199. "97 DeVille B1S1 Oxygen Sensor
  200. I need help
  201. Track times
  202. Coolant leak when driving
  203. 96 SLS Electrical Charge System Gremlin
  204. P 420 code-what does it mean?
  205. Heater Core?
  206. Which side of the engine is "left" side?
  207. Vacuun line diagrahm
  208. 96 sls over curb now won't start
  209. electrical humming noise
  210. cam reluctors
  211. crankshaft sensors
  212. confused
  213. Transmission Pressure Control Solenoid 4T80E
  214. Worn Engine Mounts?
  215. strip thread in block
  216. Cadillac techs, can we visit you?
  217. Why remove the strut brace?
  218. oil filter adapter housing broke!
  219. Head gasket
  220. '97 Northstar MAF location and codes
  221. 94 4.6L Northstar stalls after warmup
  222. P024 - current 93 n* 4t80e trans.
  223. Fuel line?/Vacuum Line?
  224. 1993 4T80-E Transmission
  225. 65k mile service
  226. 4.6L Northstar Rattle
  227. '93 North* Glitch out of hand!
  228. 94 Concours Engine Clatter
  229. Any idea what part this is..urgent
  230. 94 N* overheating and leaking -bubba move
  231. What does a missfire feel like?
  232. 94 Concours leaking oil question
  233. Coil Pack Replacement
  234. 4.0L Northstar, more related to vin Y or vin 9?
  235. Converting a Y engine to a 9 in 97 STS
  236. '93 North* RUBBER PARTS!!!!!
  237. Ignition Ground Voltage
  238. Water in the valley
  239. Head Gasket Repair
  240. Would it be worth it?.
  241. TC defeat in 1st gear
  242. Yellow anti-freeze ?. (sorry)
  243. Where is the radiator drain plug?
  244. 4.9L? How can I tell?
  245. My 2 day old SLS is giving me some strange problems
  246. oil overfilled
  247. Reseting the ECU and PCM
  248. Just bought a used 1999 Deville 4.6L
  249. WOT vs HG preservation
  250. 03 Deville Filter Adapter Oil Leak