: Northstar Engines and System Technical Discussion



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  1. Didn't pass emission. Got a high NO. Shouldn't use regular Gas(87)?
  2. A spike in coolant temp '93 North*
  3. 2007 XLR 4.6 in a Hot Rod!
  4. Testing MAF Sensor on '97 N* ??
  5. 02 SLS not liking the cold weather
  6. New Eldo Owner: Speed Limiter Question
  7. Damned Motor Mounts
  8. weak fuel pump question
  9. Low oil pressure/stop engine message
  10. '03 SLS - "Surges" at slowdown and stoplights
  11. torque convertor clutch solenoid
  12. Service Electrical System
  13. EGR Removal / Steel fuel rails
  14. advice needed - stubborn tight spark plug
  15. Motor swap,
  16. "97 DeVille B1S1 Oxygen Sensor
  17. I need help
  18. Track times
  19. Coolant leak when driving
  20. 96 SLS Electrical Charge System Gremlin
  21. P 420 code-what does it mean?
  22. Heater Core?
  23. Which side of the engine is "left" side?
  24. Vacuun line diagrahm
  25. 96 sls over curb now won't start
  26. electrical humming noise
  27. cam reluctors
  28. crankshaft sensors
  29. confused
  30. Transmission Pressure Control Solenoid 4T80E
  31. Worn Engine Mounts?
  32. strip thread in block
  33. Cadillac techs, can we visit you?
  34. Why remove the strut brace?
  35. oil filter adapter housing broke!
  36. Head gasket
  37. '97 Northstar MAF location and codes
  38. 94 4.6L Northstar stalls after warmup
  39. P024 - current 93 n* 4t80e trans.
  40. Fuel line?/Vacuum Line?
  41. 1993 4T80-E Transmission
  42. 65k mile service
  43. 4.6L Northstar Rattle
  44. '93 North* Glitch out of hand!
  45. 94 Concours Engine Clatter
  46. Any idea what part this is..urgent
  47. 94 N* overheating and leaking -bubba move
  48. What does a missfire feel like?
  49. 94 Concours leaking oil question
  50. Coil Pack Replacement
  51. 4.0L Northstar, more related to vin Y or vin 9?
  52. Converting a Y engine to a 9 in 97 STS
  53. '93 North* RUBBER PARTS!!!!!
  54. Ignition Ground Voltage
  55. Water in the valley
  56. Head Gasket Repair
  57. Would it be worth it?.
  58. TC defeat in 1st gear
  59. Yellow anti-freeze ?. (sorry)
  60. Where is the radiator drain plug?
  61. 4.9L? How can I tell?
  62. My 2 day old SLS is giving me some strange problems
  63. oil overfilled
  64. Reseting the ECU and PCM
  65. Just bought a used 1999 Deville 4.6L
  66. WOT vs HG preservation
  67. 03 Deville Filter Adapter Oil Leak
  68. Towing a FWD N* vehicle on 4 wheels
  69. Coolant in my Oil
  70. Northstar Repair without inserts
  71. 93 eldo northstar engine missing
  72. Help me understand...
  73. 97 sts cadillac turns over, will not start
  74. It overheated again - any idea why?
  75. What should I do about this 1997 Eldorado ETC?
  76. 96' Seville HG Problems.. :-(
  77. 97 SLS hard to start when warm
  78. How does this engine sound?
  79. HELP ASAP Need to Identify Engine in 97 sts
  80. 2000+ Northstars look different??
  81. cylinder guide pin removal
  82. 03 seville pcv location
  83. Are 00+ northstars slower than <99??
  84. 4.6 Northstar doining very strange
  85. engine boggs when accelerator is stepped on quickly
  86. do you have to pull motor to do head gaskets, can it be done in the car
  87. Thinking about a K&N cold air intake...
  88. northstar drive shaft problems, probably damaged bearing
  89. question on my 95 deville concours. heat gone out and check engine light....
  90. Are Northstar Heads Rebuildable? Or disposable?
  91. Water pump tensioner catastrophic failure?
  92. My Northstar HG project
  93. She's runnin' HOT captain.....
  94. Intake manifold
  95. How Can I prevent a blown head gasket problem
  96. steam out of tailpipes
  97. 93 STS cooling system/h-gasket problem
  98. Hard shifting and codes 0719 and 0732?
  99. 2000 devile Northstar 4.6 running hot
  100. Repairs to a 4T80E after 600+ hp
  101. Water crossover re-assembly
  102. Electric fans arent coming on / overheating
  103. 94 sts key stuck wont start
  104. Overheating problem...
  105. Engine surges?
  106. Front Bank Misfire
  107. Drag tips or suggestions for 03 DTS.
  108. looking for plug wires
  109. Eldorado Dog Bones on a STS/DTS
  110. Permanent HG Repair - Give an old N* new life
  111. 1999 Eldorado engine whine
  112. Where is oil filter?
  113. 95 Eldorado stalling
  114. P0300 code....AGAIN!
  115. 2 northstars ?
  116. Smoke after shutdown... Classic N* oil leak issue?
  117. Heal-a-seal
  118. Northstar Cold idle Knock?
  119. intermittent issue with burning smell
  120. Update on Turbo 99STS
  121. Aurora 4.0 V8
  122. 97 SLS engine problem
  123. Car will not start, backfired smoke form under hood on pass. side
  124. LOW COOLANT warning
  125. A list of factory stock quarter mile times?
  126. Northstar engines are a joke
  127. Please help with eratic idle!!!!!!!!!!
  128. Volkswagen Northstar ????
  129. Air Fuel Ratio on Narrow-Band O2 Sensor
  130. Did I Post This Question in The Wrong Place?
  131. small coolent leak
  132. mechanical oil pressure gage sending unit location
  133. Fuel rail
  134. Where is the PCM
  135. Two more codes ?
  136. 02' DHS overheating!!!!
  137. 2000 Deville Code P1860
  138. Head gasket repair "corpus christi, tx"
  139. OBD2 Scantool for Northstar Engine to monitor knock?
  140. Northstar Gas Mileage
  141. Help ASAP:will 96/97 power train exchange?
  142. Repair head gasket Or buy remanufactured eng
  143. 2000 STS Head gasket problem?
  144. 2001 STS motor mount?
  145. wrong alternator
  146. Another P1860/P0741 repair
  147. 2001 Seville Water pump?
  148. Information on P0741 & P1860. 1998+
  149. Philistines
  150. Opinions on N* nitrous use.
  151. 97 deville hard starting, no codes
  152. oil cooler
  153. Blown Head Gaskets?
  154. I need a water pump drive pulley please help
  155. Intake Backfire
  156. Dyno Run
  157. Replaced Engine 99 STS a few electrical issues!!!
  158. Drivetrain Efficiency
  159. What Gas Are You Using?
  160. pulled code pcm0443
  161. 05 sts v8 engine light
  162. Please Help P300
  163. Almost ready to go
  164. p0308 misfire, trying to find problem
  165. The use of Aftermarket reusable air filters
  166. Fuel pump :(
  167. Head gaskets X 2
  168. Long-term fuel trims up during deceleration
  169. Oil pressure after HG repair
  170. 240mph wooden car gets reversed flow NorthStar
  171. 98 sts stalling..aj..ranger...sub...help
  172. Water pump pulley disintegrating
  173. Regapping platinum plugs & best NA performance gap
  174. Head Gaskets Cause Coolent to Boil? And Repairs
  175. Engine swap
  176. Headgasket Vendor
  177. trans leak from a 4-80
  178. Loctite Red Gel REMOVAL!!!!!
  179. Service Emission System - No Acceleration
  180. Smoke
  181. 1996 Deville hard start and fuel pressure specs
  182. Doing my own head gasket
  183. 1997 cadillac deville performance?????
  184. 2005 STS with over 100k miles
  185. cadillac eldorado overheating but no oil in water
  186. 95 SLS w/ P076 Code - Trans pressure
  187. Where do you get Norms inserts?
  188. Engine heats up at idle (99 STS)
  189. Have two questions. Was looking around and found a leak.
  190. p1520 Trans Circuit
  191. Headgasket Fix for $1250
  192. Is it a head gasket?
  193. seriously clogged purge line! need help!
  194. Almost Overheating - is this Head Gasket ?
  195. Could Use Some Insight
  196. OBD Code E-119
  197. Deville Motor Swap 1997 to 1997 sts
  198. Took on my friend's LS1 *VID*
  199. 94 northstar cooling issue
  200. OIL FILTER/oil/AIR FILTER? What do you use on your N*?
  201. Time-sert kit
  202. 95 SLS Water Pump Removal Impact Wrench or Not?
  203. 2000 Deville Mechanical Issues *HELP*
  204. Can this be possible?
  205. looking for spark plugs
  206. need correct belt size to bypass ac comp on 97 concours
  207. DYI or NOT, Blown waterpump housing gasket
  208. Northstar 4.0 Aurora 97 interchangability
  209. Programmable ECU for STS 4.6L?
  210. Rough Idle Question For Ewill3rd
  211. Bought a Timesert kit on Ebay, what else do I need to install Norms inserts?
  212. loss of power overheating issues HELP
  213. What Anti-Freeze
  214. 50 Deville - Code = P0300 current
  215. New Owner/Member w/ n*star question
  216. P0300 - Timing Off
  217. intake gaskets
  218. Northstar 4.6 Coolant loss - but only under load
  219. 2000 deville or 1997 eldorado
  220. Northstar head gasket failures
  221. GM Top Engine Cleaner
  222. Coolent Temp
  223. Going to the track
  224. N* cylinder numbers
  225. Witnessed some component fail, what to do?
  226. Overhaeting Or Not or Maybe PLEASE HELP
  227. Non ACDelco Part?
  228. Electrical Problems With 94' Seville
  229. No HI cooling fan speed?
  230. Where to cut?? cradle bolt just spins
  231. engine ID
  232. Timing Chain Slack
  233. 2000 Deville Head gasket?
  234. 2000 Dts Front Engine Mount - Best Way To Change?
  235. coolant level deville 98
  236. Drag Race Calculator...
  237. engine swap pipe dreams
  238. Ingnition MAx Fuse burns out to stall 99 deville
  239. 98 sts what fits
  240. Northstar engine performance in my 01' DeVille DHS
  241. starter woes
  242. Intermittent spark loss on random coils 94' STS
  243. Disable the SIR
  244. Can you pull the front head with the engine in the car?
  245. Mechanics - Chicago area - Help
  246. Northstar Plenum Woes
  247. How to change pulley
  248. Engine to trans. bracket locations
  249. Is this an LT5
  250. 2001 Northstar in a 93 sts?