: Northstar Engines and System Technical Discussion



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