: Northstar Engines and System Technical Discussion



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  1. Code P0603
  2. Fire!!! Eh, not so bad..
  3. Fuel pump removal pictures
  4. No more HG jobs. I'm finished.
  5. More problems after a HG job- or are they?
  6. 02 dts high idle prob
  7. What 2 Do About GM's OHC V8 Engine.... How about the Mainstreaming of the 4.4L SC NS?
  8. 94-99 vs. 2000+ N* Oil issues
  9. RWD Northstar
  10. Running a 2005 N* on a 2006 N* PCM
  11. intake blow off flap
  12. PO155 (HO2S) Code
  13. 95 devile no heat on driver side help
  14. Clever stuff...I think?
  15. trading up
  16. Has anyone tried to put sc 3800 v6?
  17. What gives ?
  18. What is the probability of head gasket failure?
  19. Fuel Pump removal
  20. Like my N* but
  21. Motor will be coming back out after HG job!
  22. Check engine light ?
  23. 1997 deville hard start warm engine
  24. Low mileage Northstar
  25. 00 DTS Falls Flat on Face
  26. Fuel Pump repair kit
  27. Compression test for a head gasket failure
  28. Built Buick Lucerne (400HP Northstar Engine)
  29. Head Gasket Repair in Alaska
  30. Headgasket test kit ?
  31. 97 & 99 deville engine swap??????
  32. Problems After HG job!
  33. Cooling Fans
  34. P0300 and just filled coolant
  35. 01 northstar for sale
  36. northstar power
  37. 1998 STS stalling at idle
  38. New '98 Deville Owner with coolant questions
  39. Find the oil leak
  40. $28 Combustion Leak Tester Kit (Lisle)
  41. Vacuun ports on the northstar
  42. TCC converter stuck off
  43. 2002 Cadillac Deville Rad Flush tips?
  44. 99 Cadillac Seville
  45. EGR or something worse? Please help! '96 SLS
  46. adding oil between oil changes
  47. Mods for transmission during HG job?
  48. 98 SLS with valve noise - ????
  49. 98 sts northstar engine swap
  50. Coolant Question
  51. Part Number: Camshaft seal @ water pump pulley?
  52. Supercharge Your NorthStar for Free.
  53. GIVING AWAY 97 & 98 DEVILLES u pay ship
  54. Engine swap????????
  55. Freebie!
  56. How to install an Eaton/GM M90 Supercharger on a 2003 Northstar
  57. Cam Shaft Bolts!!!
  58. 95 Seville SLS cold start problem with instant fuel pressure drop.
  59. 2003 dhs p0300
  60. Just one glitch left '93 North* %$#@!!
  61. replace or rebuild???? northstar
  62. 2000 DeVille oil filter
  63. Where can I get an engine overhaul kit for 97 4.6L Northstar?
  64. blown head gasket test kit
  65. Stubborn Water Pump Removal
  66. 4.6l N* knocks in cold weather, but quiets after operating temp is reached.
  67. Convert OBDII Northstar to OBDI ???
  68. Timing chain routing??
  69. Northstar 6 Speed Manual
  70. New ECM option for Northstar swappers
  71. Arrrghh Won't start
  72. Seville Filter
  73. Cadillac N* redesign is the fastest TQ. Converter?
  74. help identify the problem !
  75. loss of power
  76. Transmission Removal/replacement
  77. Camshaft install bolt pattern
  78. instaling water pump pulley
  79. Source/Recommendations for Rebuilt Northstar Engines?
  80. Stumble at hot idle, stalling
  81. detonation-preignition
  82. 95 Eldorado has SLOW starting Issue.
  83. Problem after 99 STS Headbolt stripped and repaired
  84. Guide Pin / Alignment Pin Removal The Easy Way
  85. My Northstar is running...
  86. 94 Concours intermittant no start
  87. Unique engine swap, need help deciding which N*
  88. Having a lil trouble holding 4th
  89. 2003 Northstar into a 2001 Deville
  90. TCC Solenoid - Please Help!!
  91. Where did the MPG go?
  92. Intake manifold
  93. 01 SLS Problems
  94. Anyone ever do a headgasket in the car?
  95. traction control input and output data
  96. Fly wheel/starter prof replaced, now oil leak?
  97. Keep getting same code.
  98. Cold starts not so good...
  99. 2001 DTS valvetrain noise after HG job?!
  100. Half Case Seal....
  101. P0153 - HO2S Slow Response Bank 2 Sensor 1
  102. Oil leak on STS, oil pan?
  103. 1994 eldorado coolant leak
  104. failed smog test again. the HC is still high @15MPH
  105. what resonator reduces drone, but not volume? (corsa not option)
  106. Water crossover parts to replace?
  107. intake and top cover 94 Seville STS 4.6
  108. 00 STS Air Pumps; how many of them?
  109. oil pressure
  110. Have a Northstar engine, what should I do with it?
  111. Code help...please!!!!!
  112. Help with o2 sensor--no cat--code p0146
  113. Anyone here an attorney - re: Head gasket failures?
  114. what happend to my kruella
  115. 6 of 8 spark plugs are oily!
  116. Code Assistance
  117. HG cause emissions test failure?
  118. new DTS. wide open throttle?
  119. Quick question: about to order from Rockauto
  120. Remote start
  121. 01 dhs over heating HELP!! PLEASE
  122. Questions about my Headgasket Job
  123. Curse stop leak and fast talking sales men!!
  124. Onboard computer and the octane rating of the fuel being used.
  125. 99 Deville Northstar-New fuel pump, but wont start
  126. need help on north star wire replacing...
  127. codes 073 and 1644
  128. Ranger Should Write a Caddy What to Expect Book
  129. 1st Annual Northstar Meet
  130. Dtc 730
  131. Northstar Stud Kits ready to ship!
  132. 98 SLS screeching noise from egen.
  133. ICM weak spark, have questions
  134. How to drop the cradle?
  135. Wheres my coolant going????
  136. front driver o2 sensor, where do connector wire lead to??
  137. Just got Headgaskets done. Still yellow liquid.
  138. Alternator Bearing Replacement?
  139. 01 STS Cracked Block Rebuilt Engine Recomendations
  140. Didn't pass emission. Got a high NO. Shouldn't use regular Gas(87)?
  141. A spike in coolant temp '93 North*
  142. 2007 XLR 4.6 in a Hot Rod!
  143. Testing MAF Sensor on '97 N* ??
  144. 02 SLS not liking the cold weather
  145. New Eldo Owner: Speed Limiter Question
  146. Damned Motor Mounts
  147. weak fuel pump question
  148. Low oil pressure/stop engine message
  149. '03 SLS - "Surges" at slowdown and stoplights
  150. torque convertor clutch solenoid
  151. Service Electrical System
  152. EGR Removal / Steel fuel rails
  153. advice needed - stubborn tight spark plug
  154. Motor swap,
  155. "97 DeVille B1S1 Oxygen Sensor
  156. I need help
  157. Track times
  158. Coolant leak when driving
  159. 96 SLS Electrical Charge System Gremlin
  160. P 420 code-what does it mean?
  161. Heater Core?
  162. Which side of the engine is "left" side?
  163. Vacuun line diagrahm
  164. 96 sls over curb now won't start
  165. electrical humming noise
  166. cam reluctors
  167. crankshaft sensors
  168. confused
  169. Transmission Pressure Control Solenoid 4T80E
  170. Worn Engine Mounts?
  171. strip thread in block
  172. Cadillac techs, can we visit you?
  173. Why remove the strut brace?
  174. oil filter adapter housing broke!
  175. Head gasket
  176. '97 Northstar MAF location and codes
  177. 94 4.6L Northstar stalls after warmup
  178. P024 - current 93 n* 4t80e trans.
  179. Fuel line?/Vacuum Line?
  180. 1993 4T80-E Transmission
  181. 65k mile service
  182. 4.6L Northstar Rattle
  183. '93 North* Glitch out of hand!
  184. 94 Concours Engine Clatter
  185. Any idea what part this is..urgent
  186. 94 N* overheating and leaking -bubba move
  187. What does a missfire feel like?
  188. 94 Concours leaking oil question
  189. Coil Pack Replacement
  190. 4.0L Northstar, more related to vin Y or vin 9?
  191. Converting a Y engine to a 9 in 97 STS
  192. '93 North* RUBBER PARTS!!!!!
  193. Ignition Ground Voltage
  194. Water in the valley
  195. Head Gasket Repair
  196. Would it be worth it?.
  197. TC defeat in 1st gear
  198. Yellow anti-freeze ?. (sorry)
  199. Where is the radiator drain plug?
  200. 4.9L? How can I tell?
  201. My 2 day old SLS is giving me some strange problems
  202. oil overfilled
  203. Reseting the ECU and PCM
  204. Just bought a used 1999 Deville 4.6L
  205. WOT vs HG preservation
  206. 03 Deville Filter Adapter Oil Leak
  207. Towing a FWD N* vehicle on 4 wheels
  208. Coolant in my Oil
  209. Northstar Repair without inserts
  210. 93 eldo northstar engine missing
  211. Help me understand...
  212. 97 sts cadillac turns over, will not start
  213. It overheated again - any idea why?
  214. What should I do about this 1997 Eldorado ETC?
  215. 96' Seville HG Problems.. :-(
  216. 97 SLS hard to start when warm
  217. How does this engine sound?
  218. HELP ASAP Need to Identify Engine in 97 sts
  219. 2000+ Northstars look different??
  220. cylinder guide pin removal
  221. 03 seville pcv location
  222. Are 00+ northstars slower than <99??
  223. 4.6 Northstar doining very strange
  224. engine boggs when accelerator is stepped on quickly
  225. do you have to pull motor to do head gaskets, can it be done in the car
  226. Thinking about a K&N cold air intake...
  227. northstar drive shaft problems, probably damaged bearing
  228. question on my 95 deville concours. heat gone out and check engine light....
  229. Are Northstar Heads Rebuildable? Or disposable?
  230. Water pump tensioner catastrophic failure?
  231. My Northstar HG project
  232. She's runnin' HOT captain.....
  233. Intake manifold
  234. How Can I prevent a blown head gasket problem
  235. steam out of tailpipes
  236. 93 STS cooling system/h-gasket problem
  237. Hard shifting and codes 0719 and 0732?
  238. 2000 devile Northstar 4.6 running hot
  239. Repairs to a 4T80E after 600+ hp
  240. Water crossover re-assembly
  241. Electric fans arent coming on / overheating
  242. 94 sts key stuck wont start
  243. Overheating problem...
  244. Engine surges?
  245. Front Bank Misfire
  246. Drag tips or suggestions for 03 DTS.
  247. looking for plug wires
  248. Eldorado Dog Bones on a STS/DTS
  249. Permanent HG Repair - Give an old N* new life
  250. 1999 Eldorado engine whine