: Northstar Engines and System Technical Discussion



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