: Northstar Engines and System Technical Discussion



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  1. Problems After HG job!
  2. Cooling Fans
  3. P0300 and just filled coolant
  4. 01 northstar for sale
  5. northstar power
  6. 1998 STS stalling at idle
  7. New '98 Deville Owner with coolant questions
  8. Find the oil leak
  9. $28 Combustion Leak Tester Kit (Lisle)
  10. Vacuun ports on the northstar
  11. TCC converter stuck off
  12. 2002 Cadillac Deville Rad Flush tips?
  13. 99 Cadillac Seville
  14. EGR or something worse? Please help! '96 SLS
  15. adding oil between oil changes
  16. Mods for transmission during HG job?
  17. 98 SLS with valve noise - ????
  18. 98 sts northstar engine swap
  19. Coolant Question
  20. Part Number: Camshaft seal @ water pump pulley?
  21. Supercharge Your NorthStar for Free.
  22. GIVING AWAY 97 & 98 DEVILLES u pay ship
  23. Engine swap????????
  24. Freebie!
  25. How to install an Eaton/GM M90 Supercharger on a 2003 Northstar
  26. Cam Shaft Bolts!!!
  27. 95 Seville SLS cold start problem with instant fuel pressure drop.
  28. 2003 dhs p0300
  29. Just one glitch left '93 North* %$#@!!
  30. replace or rebuild???? northstar
  31. 2000 DeVille oil filter
  32. Where can I get an engine overhaul kit for 97 4.6L Northstar?
  33. blown head gasket test kit
  34. Stubborn Water Pump Removal
  35. 4.6l N* knocks in cold weather, but quiets after operating temp is reached.
  36. Convert OBDII Northstar to OBDI ???
  37. Timing chain routing??
  38. Northstar 6 Speed Manual
  39. New ECM option for Northstar swappers
  40. Arrrghh Won't start
  41. Seville Filter
  42. Cadillac N* redesign is the fastest TQ. Converter?
  43. help identify the problem !
  44. loss of power
  45. Transmission Removal/replacement
  46. Camshaft install bolt pattern
  47. instaling water pump pulley
  48. Source/Recommendations for Rebuilt Northstar Engines?
  49. Stumble at hot idle, stalling
  50. detonation-preignition
  51. 95 Eldorado has SLOW starting Issue.
  52. Problem after 99 STS Headbolt stripped and repaired
  53. Guide Pin / Alignment Pin Removal The Easy Way
  54. My Northstar is running...
  55. 94 Concours intermittant no start
  56. Unique engine swap, need help deciding which N*
  57. Having a lil trouble holding 4th
  58. 2003 Northstar into a 2001 Deville
  59. TCC Solenoid - Please Help!!
  60. Where did the MPG go?
  61. Intake manifold
  62. 01 SLS Problems
  63. Anyone ever do a headgasket in the car?
  64. traction control input and output data
  65. Fly wheel/starter prof replaced, now oil leak?
  66. Keep getting same code.
  67. Cold starts not so good...
  68. 2001 DTS valvetrain noise after HG job?!
  69. Half Case Seal....
  70. P0153 - HO2S Slow Response Bank 2 Sensor 1
  71. Oil leak on STS, oil pan?
  72. 1994 eldorado coolant leak
  73. failed smog test again. the HC is still high @15MPH
  74. what resonator reduces drone, but not volume? (corsa not option)
  75. Water crossover parts to replace?
  76. intake and top cover 94 Seville STS 4.6
  77. 00 STS Air Pumps; how many of them?
  78. oil pressure
  79. Have a Northstar engine, what should I do with it?
  80. Code help...please!!!!!
  81. Help with o2 sensor--no cat--code p0146
  82. Anyone here an attorney - re: Head gasket failures?
  83. what happend to my kruella
  84. 6 of 8 spark plugs are oily!
  85. Code Assistance
  86. HG cause emissions test failure?
  87. new DTS. wide open throttle?
  88. Quick question: about to order from Rockauto
  89. Remote start
  90. 01 dhs over heating HELP!! PLEASE
  91. Questions about my Headgasket Job
  92. Curse stop leak and fast talking sales men!!
  93. Onboard computer and the octane rating of the fuel being used.
  94. 99 Deville Northstar-New fuel pump, but wont start
  95. need help on north star wire replacing...
  96. codes 073 and 1644
  97. Ranger Should Write a Caddy What to Expect Book
  98. 1st Annual Northstar Meet
  99. Dtc 730
  100. Northstar Stud Kits ready to ship!
  101. 98 SLS screeching noise from egen.
  102. ICM weak spark, have questions
  103. How to drop the cradle?
  104. Wheres my coolant going????
  105. front driver o2 sensor, where do connector wire lead to??
  106. Just got Headgaskets done. Still yellow liquid.
  107. Alternator Bearing Replacement?
  108. 01 STS Cracked Block Rebuilt Engine Recomendations
  109. Didn't pass emission. Got a high NO. Shouldn't use regular Gas(87)?
  110. A spike in coolant temp '93 North*
  111. 2007 XLR 4.6 in a Hot Rod!
  112. Testing MAF Sensor on '97 N* ??
  113. 02 SLS not liking the cold weather
  114. New Eldo Owner: Speed Limiter Question
  115. Damned Motor Mounts
  116. weak fuel pump question
  117. Low oil pressure/stop engine message
  118. '03 SLS - "Surges" at slowdown and stoplights
  119. torque convertor clutch solenoid
  120. Service Electrical System
  121. EGR Removal / Steel fuel rails
  122. advice needed - stubborn tight spark plug
  123. Motor swap,
  124. "97 DeVille B1S1 Oxygen Sensor
  125. I need help
  126. Track times
  127. Coolant leak when driving
  128. 96 SLS Electrical Charge System Gremlin
  129. P 420 code-what does it mean?
  130. Heater Core?
  131. Which side of the engine is "left" side?
  132. Vacuun line diagrahm
  133. 96 sls over curb now won't start
  134. electrical humming noise
  135. cam reluctors
  136. crankshaft sensors
  137. confused
  138. Transmission Pressure Control Solenoid 4T80E
  139. Worn Engine Mounts?
  140. strip thread in block
  141. Cadillac techs, can we visit you?
  142. Why remove the strut brace?
  143. oil filter adapter housing broke!
  144. Head gasket
  145. '97 Northstar MAF location and codes
  146. 94 4.6L Northstar stalls after warmup
  147. P024 - current 93 n* 4t80e trans.
  148. Fuel line?/Vacuum Line?
  149. 1993 4T80-E Transmission
  150. 65k mile service
  151. 4.6L Northstar Rattle
  152. '93 North* Glitch out of hand!
  153. 94 Concours Engine Clatter
  154. Any idea what part this is..urgent
  155. 94 N* overheating and leaking -bubba move
  156. What does a missfire feel like?
  157. 94 Concours leaking oil question
  158. Coil Pack Replacement
  159. 4.0L Northstar, more related to vin Y or vin 9?
  160. Converting a Y engine to a 9 in 97 STS
  161. '93 North* RUBBER PARTS!!!!!
  162. Ignition Ground Voltage
  163. Water in the valley
  164. Head Gasket Repair
  165. Would it be worth it?.
  166. TC defeat in 1st gear
  167. Yellow anti-freeze ?. (sorry)
  168. Where is the radiator drain plug?
  169. 4.9L? How can I tell?
  170. My 2 day old SLS is giving me some strange problems
  171. oil overfilled
  172. Reseting the ECU and PCM
  173. Just bought a used 1999 Deville 4.6L
  174. WOT vs HG preservation
  175. 03 Deville Filter Adapter Oil Leak
  176. Towing a FWD N* vehicle on 4 wheels
  177. Coolant in my Oil
  178. Northstar Repair without inserts
  179. 93 eldo northstar engine missing
  180. Help me understand...
  181. 97 sts cadillac turns over, will not start
  182. It overheated again - any idea why?
  183. What should I do about this 1997 Eldorado ETC?
  184. 96' Seville HG Problems.. :-(
  185. 97 SLS hard to start when warm
  186. How does this engine sound?
  187. HELP ASAP Need to Identify Engine in 97 sts
  188. 2000+ Northstars look different??
  189. cylinder guide pin removal
  190. 03 seville pcv location
  191. Are 00+ northstars slower than <99??
  192. 4.6 Northstar doining very strange
  193. engine boggs when accelerator is stepped on quickly
  194. do you have to pull motor to do head gaskets, can it be done in the car
  195. Thinking about a K&N cold air intake...
  196. northstar drive shaft problems, probably damaged bearing
  197. question on my 95 deville concours. heat gone out and check engine light....
  198. Are Northstar Heads Rebuildable? Or disposable?
  199. Water pump tensioner catastrophic failure?
  200. My Northstar HG project
  201. She's runnin' HOT captain.....
  202. Intake manifold
  203. How Can I prevent a blown head gasket problem
  204. steam out of tailpipes
  205. 93 STS cooling system/h-gasket problem
  206. Hard shifting and codes 0719 and 0732?
  207. 2000 devile Northstar 4.6 running hot
  208. Repairs to a 4T80E after 600+ hp
  209. Water crossover re-assembly
  210. Electric fans arent coming on / overheating
  211. 94 sts key stuck wont start
  212. Overheating problem...
  213. Engine surges?
  214. Front Bank Misfire
  215. Drag tips or suggestions for 03 DTS.
  216. looking for plug wires
  217. Eldorado Dog Bones on a STS/DTS
  218. Permanent HG Repair - Give an old N* new life
  219. 1999 Eldorado engine whine
  220. Where is oil filter?
  221. 95 Eldorado stalling
  222. P0300 code....AGAIN!
  223. 2 northstars ?
  224. Smoke after shutdown... Classic N* oil leak issue?
  225. Heal-a-seal
  226. Northstar Cold idle Knock?
  227. intermittent issue with burning smell
  228. Update on Turbo 99STS
  229. Aurora 4.0 V8
  230. 97 SLS engine problem
  231. Car will not start, backfired smoke form under hood on pass. side
  232. LOW COOLANT warning
  233. A list of factory stock quarter mile times?
  234. Northstar engines are a joke
  235. Please help with eratic idle!!!!!!!!!!
  236. Volkswagen Northstar ????
  237. Air Fuel Ratio on Narrow-Band O2 Sensor
  238. Did I Post This Question in The Wrong Place?
  239. small coolent leak
  240. mechanical oil pressure gage sending unit location
  241. Fuel rail
  242. Where is the PCM
  243. Two more codes ?
  244. 02' DHS overheating!!!!
  245. 2000 Deville Code P1860
  246. Head gasket repair "corpus christi, tx"
  247. OBD2 Scantool for Northstar Engine to monitor knock?
  248. Northstar Gas Mileage
  249. Help ASAP:will 96/97 power train exchange?
  250. Repair head gasket Or buy remanufactured eng