: Northstar Engines and System Technical Discussion



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  1. Northstar Stud Kits ready to ship!
  2. 98 SLS screeching noise from egen.
  3. ICM weak spark, have questions
  4. How to drop the cradle?
  5. Wheres my coolant going????
  6. front driver o2 sensor, where do connector wire lead to??
  7. Just got Headgaskets done. Still yellow liquid.
  8. Alternator Bearing Replacement?
  9. 01 STS Cracked Block Rebuilt Engine Recomendations
  10. Didn't pass emission. Got a high NO. Shouldn't use regular Gas(87)?
  11. A spike in coolant temp '93 North*
  12. 2007 XLR 4.6 in a Hot Rod!
  13. Testing MAF Sensor on '97 N* ??
  14. 02 SLS not liking the cold weather
  15. New Eldo Owner: Speed Limiter Question
  16. Damned Motor Mounts
  17. weak fuel pump question
  18. Low oil pressure/stop engine message
  19. '03 SLS - "Surges" at slowdown and stoplights
  20. torque convertor clutch solenoid
  21. Service Electrical System
  22. EGR Removal / Steel fuel rails
  23. advice needed - stubborn tight spark plug
  24. Motor swap,
  25. "97 DeVille B1S1 Oxygen Sensor
  26. I need help
  27. Track times
  28. Coolant leak when driving
  29. 96 SLS Electrical Charge System Gremlin
  30. P 420 code-what does it mean?
  31. Heater Core?
  32. Which side of the engine is "left" side?
  33. Vacuun line diagrahm
  34. 96 sls over curb now won't start
  35. electrical humming noise
  36. cam reluctors
  37. crankshaft sensors
  38. confused
  39. Transmission Pressure Control Solenoid 4T80E
  40. Worn Engine Mounts?
  41. strip thread in block
  42. Cadillac techs, can we visit you?
  43. Why remove the strut brace?
  44. oil filter adapter housing broke!
  45. Head gasket
  46. '97 Northstar MAF location and codes
  47. 94 4.6L Northstar stalls after warmup
  48. P024 - current 93 n* 4t80e trans.
  49. Fuel line?/Vacuum Line?
  50. 1993 4T80-E Transmission
  51. 65k mile service
  52. 4.6L Northstar Rattle
  53. '93 North* Glitch out of hand!
  54. 94 Concours Engine Clatter
  55. Any idea what part this is..urgent
  56. 94 N* overheating and leaking -bubba move
  57. What does a missfire feel like?
  58. 94 Concours leaking oil question
  59. Coil Pack Replacement
  60. 4.0L Northstar, more related to vin Y or vin 9?
  61. Converting a Y engine to a 9 in 97 STS
  62. '93 North* RUBBER PARTS!!!!!
  63. Ignition Ground Voltage
  64. Water in the valley
  65. Head Gasket Repair
  66. Would it be worth it?.
  67. TC defeat in 1st gear
  68. Yellow anti-freeze ?. (sorry)
  69. Where is the radiator drain plug?
  70. 4.9L? How can I tell?
  71. My 2 day old SLS is giving me some strange problems
  72. oil overfilled
  73. Reseting the ECU and PCM
  74. Just bought a used 1999 Deville 4.6L
  75. WOT vs HG preservation
  76. 03 Deville Filter Adapter Oil Leak
  77. Towing a FWD N* vehicle on 4 wheels
  78. Coolant in my Oil
  79. Northstar Repair without inserts
  80. 93 eldo northstar engine missing
  81. Help me understand...
  82. 97 sts cadillac turns over, will not start
  83. It overheated again - any idea why?
  84. What should I do about this 1997 Eldorado ETC?
  85. 96' Seville HG Problems.. :-(
  86. 97 SLS hard to start when warm
  87. How does this engine sound?
  88. HELP ASAP Need to Identify Engine in 97 sts
  89. 2000+ Northstars look different??
  90. cylinder guide pin removal
  91. 03 seville pcv location
  92. Are 00+ northstars slower than <99??
  93. 4.6 Northstar doining very strange
  94. engine boggs when accelerator is stepped on quickly
  95. do you have to pull motor to do head gaskets, can it be done in the car
  96. Thinking about a K&N cold air intake...
  97. northstar drive shaft problems, probably damaged bearing
  98. question on my 95 deville concours. heat gone out and check engine light....
  99. Are Northstar Heads Rebuildable? Or disposable?
  100. Water pump tensioner catastrophic failure?
  101. My Northstar HG project
  102. She's runnin' HOT captain.....
  103. Intake manifold
  104. How Can I prevent a blown head gasket problem
  105. steam out of tailpipes
  106. 93 STS cooling system/h-gasket problem
  107. Hard shifting and codes 0719 and 0732?
  108. 2000 devile Northstar 4.6 running hot
  109. Repairs to a 4T80E after 600+ hp
  110. Water crossover re-assembly
  111. Electric fans arent coming on / overheating
  112. 94 sts key stuck wont start
  113. Overheating problem...
  114. Engine surges?
  115. Front Bank Misfire
  116. Drag tips or suggestions for 03 DTS.
  117. looking for plug wires
  118. Eldorado Dog Bones on a STS/DTS
  119. Permanent HG Repair - Give an old N* new life
  120. 1999 Eldorado engine whine
  121. Where is oil filter?
  122. 95 Eldorado stalling
  123. P0300 code....AGAIN!
  124. 2 northstars ?
  125. Smoke after shutdown... Classic N* oil leak issue?
  126. Heal-a-seal
  127. Northstar Cold idle Knock?
  128. intermittent issue with burning smell
  129. Update on Turbo 99STS
  130. Aurora 4.0 V8
  131. 97 SLS engine problem
  132. Car will not start, backfired smoke form under hood on pass. side
  133. LOW COOLANT warning
  134. A list of factory stock quarter mile times?
  135. Northstar engines are a joke
  136. Please help with eratic idle!!!!!!!!!!
  137. Volkswagen Northstar ????
  138. Air Fuel Ratio on Narrow-Band O2 Sensor
  139. Did I Post This Question in The Wrong Place?
  140. small coolent leak
  141. mechanical oil pressure gage sending unit location
  142. Fuel rail
  143. Where is the PCM
  144. Two more codes ?
  145. 02' DHS overheating!!!!
  146. 2000 Deville Code P1860
  147. Head gasket repair "corpus christi, tx"
  148. OBD2 Scantool for Northstar Engine to monitor knock?
  149. Northstar Gas Mileage
  150. Help ASAP:will 96/97 power train exchange?
  151. Repair head gasket Or buy remanufactured eng
  152. 2000 STS Head gasket problem?
  153. 2001 STS motor mount?
  154. wrong alternator
  155. Another P1860/P0741 repair
  156. 2001 Seville Water pump?
  157. Information on P0741 & P1860. 1998+
  158. Philistines
  159. Opinions on N* nitrous use.
  160. 97 deville hard starting, no codes
  161. oil cooler
  162. Blown Head Gaskets?
  163. I need a water pump drive pulley please help
  164. Intake Backfire
  165. Dyno Run
  166. Replaced Engine 99 STS a few electrical issues!!!
  167. Drivetrain Efficiency
  168. What Gas Are You Using?
  169. pulled code pcm0443
  170. 05 sts v8 engine light
  171. Please Help P300
  172. Almost ready to go
  173. p0308 misfire, trying to find problem
  174. The use of Aftermarket reusable air filters
  175. Fuel pump :(
  176. Head gaskets X 2
  177. Long-term fuel trims up during deceleration
  178. Oil pressure after HG repair
  179. 240mph wooden car gets reversed flow NorthStar
  180. 98 sts stalling..aj..ranger...sub...help
  181. Water pump pulley disintegrating
  182. Regapping platinum plugs & best NA performance gap
  183. Head Gaskets Cause Coolent to Boil? And Repairs
  184. Engine swap
  185. Headgasket Vendor
  186. trans leak from a 4-80
  187. Loctite Red Gel REMOVAL!!!!!
  188. Service Emission System - No Acceleration
  189. Smoke
  190. 1996 Deville hard start and fuel pressure specs
  191. Doing my own head gasket
  192. 1997 cadillac deville performance?????
  193. 2005 STS with over 100k miles
  194. cadillac eldorado overheating but no oil in water
  195. 95 SLS w/ P076 Code - Trans pressure
  196. Where do you get Norms inserts?
  197. Engine heats up at idle (99 STS)
  198. Have two questions. Was looking around and found a leak.
  199. p1520 Trans Circuit
  200. Headgasket Fix for $1250
  201. Is it a head gasket?
  202. seriously clogged purge line! need help!
  203. Almost Overheating - is this Head Gasket ?
  204. Could Use Some Insight
  205. OBD Code E-119
  206. Deville Motor Swap 1997 to 1997 sts
  207. Took on my friend's LS1 *VID*
  208. 94 northstar cooling issue
  209. OIL FILTER/oil/AIR FILTER? What do you use on your N*?
  210. Time-sert kit
  211. 95 SLS Water Pump Removal Impact Wrench or Not?
  212. 2000 Deville Mechanical Issues *HELP*
  213. Can this be possible?
  214. looking for spark plugs
  215. need correct belt size to bypass ac comp on 97 concours
  216. DYI or NOT, Blown waterpump housing gasket
  217. Northstar 4.0 Aurora 97 interchangability
  218. Programmable ECU for STS 4.6L?
  219. Rough Idle Question For Ewill3rd
  220. Bought a Timesert kit on Ebay, what else do I need to install Norms inserts?
  221. loss of power overheating issues HELP
  222. What Anti-Freeze
  223. 50 Deville - Code = P0300 current
  224. New Owner/Member w/ n*star question
  225. P0300 - Timing Off
  226. intake gaskets
  227. Northstar 4.6 Coolant loss - but only under load
  228. 2000 deville or 1997 eldorado
  229. Northstar head gasket failures
  230. GM Top Engine Cleaner
  231. Coolent Temp
  232. Going to the track
  233. N* cylinder numbers
  234. Witnessed some component fail, what to do?
  235. Overhaeting Or Not or Maybe PLEASE HELP
  236. Non ACDelco Part?
  237. Electrical Problems With 94' Seville
  238. No HI cooling fan speed?
  239. Where to cut?? cradle bolt just spins
  240. engine ID
  241. Timing Chain Slack
  242. 2000 Deville Head gasket?
  243. 2000 Dts Front Engine Mount - Best Way To Change?
  244. coolant level deville 98
  245. Drag Race Calculator...
  246. engine swap pipe dreams
  247. Ingnition MAx Fuse burns out to stall 99 deville
  248. 98 sts what fits
  249. Northstar engine performance in my 01' DeVille DHS
  250. starter woes