: Northstar Engines and System Technical Discussion



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  1. Problem after 99 STS Headbolt stripped and repaired
  2. Guide Pin / Alignment Pin Removal The Easy Way
  3. My Northstar is running...
  4. 94 Concours intermittant no start
  5. Unique engine swap, need help deciding which N*
  6. Having a lil trouble holding 4th
  7. 2003 Northstar into a 2001 Deville
  8. TCC Solenoid - Please Help!!
  9. Where did the MPG go?
  10. Intake manifold
  11. 01 SLS Problems
  12. Anyone ever do a headgasket in the car?
  13. traction control input and output data
  14. Fly wheel/starter prof replaced, now oil leak?
  15. Keep getting same code.
  16. Cold starts not so good...
  17. 2001 DTS valvetrain noise after HG job?!
  18. Half Case Seal....
  19. P0153 - HO2S Slow Response Bank 2 Sensor 1
  20. Oil leak on STS, oil pan?
  21. 1994 eldorado coolant leak
  22. failed smog test again. the HC is still high @15MPH
  23. what resonator reduces drone, but not volume? (corsa not option)
  24. Water crossover parts to replace?
  25. intake and top cover 94 Seville STS 4.6
  26. 00 STS Air Pumps; how many of them?
  27. oil pressure
  28. Have a Northstar engine, what should I do with it?
  29. Code help...please!!!!!
  30. Help with o2 sensor--no cat--code p0146
  31. Anyone here an attorney - re: Head gasket failures?
  32. what happend to my kruella
  33. 6 of 8 spark plugs are oily!
  34. Code Assistance
  35. HG cause emissions test failure?
  36. new DTS. wide open throttle?
  37. Quick question: about to order from Rockauto
  38. Remote start
  39. 01 dhs over heating HELP!! PLEASE
  40. Questions about my Headgasket Job
  41. Curse stop leak and fast talking sales men!!
  42. Onboard computer and the octane rating of the fuel being used.
  43. 99 Deville Northstar-New fuel pump, but wont start
  44. need help on north star wire replacing...
  45. codes 073 and 1644
  46. Ranger Should Write a Caddy What to Expect Book
  47. 1st Annual Northstar Meet
  48. Dtc 730
  49. Northstar Stud Kits ready to ship!
  50. 98 SLS screeching noise from egen.
  51. ICM weak spark, have questions
  52. How to drop the cradle?
  53. Wheres my coolant going????
  54. front driver o2 sensor, where do connector wire lead to??
  55. Just got Headgaskets done. Still yellow liquid.
  56. Alternator Bearing Replacement?
  57. 01 STS Cracked Block Rebuilt Engine Recomendations
  58. Didn't pass emission. Got a high NO. Shouldn't use regular Gas(87)?
  59. A spike in coolant temp '93 North*
  60. 2007 XLR 4.6 in a Hot Rod!
  61. Testing MAF Sensor on '97 N* ??
  62. 02 SLS not liking the cold weather
  63. New Eldo Owner: Speed Limiter Question
  64. Damned Motor Mounts
  65. weak fuel pump question
  66. Low oil pressure/stop engine message
  67. '03 SLS - "Surges" at slowdown and stoplights
  68. torque convertor clutch solenoid
  69. Service Electrical System
  70. EGR Removal / Steel fuel rails
  71. advice needed - stubborn tight spark plug
  72. Motor swap,
  73. "97 DeVille B1S1 Oxygen Sensor
  74. I need help
  75. Track times
  76. Coolant leak when driving
  77. 96 SLS Electrical Charge System Gremlin
  78. P 420 code-what does it mean?
  79. Heater Core?
  80. Which side of the engine is "left" side?
  81. Vacuun line diagrahm
  82. 96 sls over curb now won't start
  83. electrical humming noise
  84. cam reluctors
  85. crankshaft sensors
  86. confused
  87. Transmission Pressure Control Solenoid 4T80E
  88. Worn Engine Mounts?
  89. strip thread in block
  90. Cadillac techs, can we visit you?
  91. Why remove the strut brace?
  92. oil filter adapter housing broke!
  93. Head gasket
  94. '97 Northstar MAF location and codes
  95. 94 4.6L Northstar stalls after warmup
  96. P024 - current 93 n* 4t80e trans.
  97. Fuel line?/Vacuum Line?
  98. 1993 4T80-E Transmission
  99. 65k mile service
  100. 4.6L Northstar Rattle
  101. '93 North* Glitch out of hand!
  102. 94 Concours Engine Clatter
  103. Any idea what part this is..urgent
  104. 94 N* overheating and leaking -bubba move
  105. What does a missfire feel like?
  106. 94 Concours leaking oil question
  107. Coil Pack Replacement
  108. 4.0L Northstar, more related to vin Y or vin 9?
  109. Converting a Y engine to a 9 in 97 STS
  110. '93 North* RUBBER PARTS!!!!!
  111. Ignition Ground Voltage
  112. Water in the valley
  113. Head Gasket Repair
  114. Would it be worth it?.
  115. TC defeat in 1st gear
  116. Yellow anti-freeze ?. (sorry)
  117. Where is the radiator drain plug?
  118. 4.9L? How can I tell?
  119. My 2 day old SLS is giving me some strange problems
  120. oil overfilled
  121. Reseting the ECU and PCM
  122. Just bought a used 1999 Deville 4.6L
  123. WOT vs HG preservation
  124. 03 Deville Filter Adapter Oil Leak
  125. Towing a FWD N* vehicle on 4 wheels
  126. Coolant in my Oil
  127. Northstar Repair without inserts
  128. 93 eldo northstar engine missing
  129. Help me understand...
  130. 97 sts cadillac turns over, will not start
  131. It overheated again - any idea why?
  132. What should I do about this 1997 Eldorado ETC?
  133. 96' Seville HG Problems.. :-(
  134. 97 SLS hard to start when warm
  135. How does this engine sound?
  136. HELP ASAP Need to Identify Engine in 97 sts
  137. 2000+ Northstars look different??
  138. cylinder guide pin removal
  139. 03 seville pcv location
  140. Are 00+ northstars slower than <99??
  141. 4.6 Northstar doining very strange
  142. engine boggs when accelerator is stepped on quickly
  143. do you have to pull motor to do head gaskets, can it be done in the car
  144. Thinking about a K&N cold air intake...
  145. northstar drive shaft problems, probably damaged bearing
  146. question on my 95 deville concours. heat gone out and check engine light....
  147. Are Northstar Heads Rebuildable? Or disposable?
  148. Water pump tensioner catastrophic failure?
  149. My Northstar HG project
  150. She's runnin' HOT captain.....
  151. Intake manifold
  152. How Can I prevent a blown head gasket problem
  153. steam out of tailpipes
  154. 93 STS cooling system/h-gasket problem
  155. Hard shifting and codes 0719 and 0732?
  156. 2000 devile Northstar 4.6 running hot
  157. Repairs to a 4T80E after 600+ hp
  158. Water crossover re-assembly
  159. Electric fans arent coming on / overheating
  160. 94 sts key stuck wont start
  161. Overheating problem...
  162. Engine surges?
  163. Front Bank Misfire
  164. Drag tips or suggestions for 03 DTS.
  165. looking for plug wires
  166. Eldorado Dog Bones on a STS/DTS
  167. Permanent HG Repair - Give an old N* new life
  168. 1999 Eldorado engine whine
  169. Where is oil filter?
  170. 95 Eldorado stalling
  171. P0300 code....AGAIN!
  172. 2 northstars ?
  173. Smoke after shutdown... Classic N* oil leak issue?
  174. Heal-a-seal
  175. Northstar Cold idle Knock?
  176. intermittent issue with burning smell
  177. Update on Turbo 99STS
  178. Aurora 4.0 V8
  179. 97 SLS engine problem
  180. Car will not start, backfired smoke form under hood on pass. side
  181. LOW COOLANT warning
  182. A list of factory stock quarter mile times?
  183. Northstar engines are a joke
  184. Please help with eratic idle!!!!!!!!!!
  185. Volkswagen Northstar ????
  186. Air Fuel Ratio on Narrow-Band O2 Sensor
  187. Did I Post This Question in The Wrong Place?
  188. small coolent leak
  189. mechanical oil pressure gage sending unit location
  190. Fuel rail
  191. Where is the PCM
  192. Two more codes ?
  193. 02' DHS overheating!!!!
  194. 2000 Deville Code P1860
  195. Head gasket repair "corpus christi, tx"
  196. OBD2 Scantool for Northstar Engine to monitor knock?
  197. Northstar Gas Mileage
  198. Help ASAP:will 96/97 power train exchange?
  199. Repair head gasket Or buy remanufactured eng
  200. 2000 STS Head gasket problem?
  201. 2001 STS motor mount?
  202. wrong alternator
  203. Another P1860/P0741 repair
  204. 2001 Seville Water pump?
  205. Information on P0741 & P1860. 1998+
  206. Philistines
  207. Opinions on N* nitrous use.
  208. 97 deville hard starting, no codes
  209. oil cooler
  210. Blown Head Gaskets?
  211. I need a water pump drive pulley please help
  212. Intake Backfire
  213. Dyno Run
  214. Replaced Engine 99 STS a few electrical issues!!!
  215. Drivetrain Efficiency
  216. What Gas Are You Using?
  217. pulled code pcm0443
  218. 05 sts v8 engine light
  219. Please Help P300
  220. Almost ready to go
  221. p0308 misfire, trying to find problem
  222. The use of Aftermarket reusable air filters
  223. Fuel pump :(
  224. Head gaskets X 2
  225. Long-term fuel trims up during deceleration
  226. Oil pressure after HG repair
  227. 240mph wooden car gets reversed flow NorthStar
  228. 98 sts stalling..aj..ranger...sub...help
  229. Water pump pulley disintegrating
  230. Regapping platinum plugs & best NA performance gap
  231. Head Gaskets Cause Coolent to Boil? And Repairs
  232. Engine swap
  233. Headgasket Vendor
  234. trans leak from a 4-80
  235. Loctite Red Gel REMOVAL!!!!!
  236. Service Emission System - No Acceleration
  237. Smoke
  238. 1996 Deville hard start and fuel pressure specs
  239. Doing my own head gasket
  240. 1997 cadillac deville performance?????
  241. 2005 STS with over 100k miles
  242. cadillac eldorado overheating but no oil in water
  243. 95 SLS w/ P076 Code - Trans pressure
  244. Where do you get Norms inserts?
  245. Engine heats up at idle (99 STS)
  246. Have two questions. Was looking around and found a leak.
  247. p1520 Trans Circuit
  248. Headgasket Fix for $1250
  249. Is it a head gasket?
  250. seriously clogged purge line! need help!