: Northstar Engines and System Technical Discussion



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  1. P 420 code-what does it mean?
  2. Heater Core?
  3. Which side of the engine is "left" side?
  4. Vacuun line diagrahm
  5. 96 sls over curb now won't start
  6. electrical humming noise
  7. cam reluctors
  8. crankshaft sensors
  9. confused
  10. Transmission Pressure Control Solenoid 4T80E
  11. Worn Engine Mounts?
  12. strip thread in block
  13. Cadillac techs, can we visit you?
  14. Why remove the strut brace?
  15. oil filter adapter housing broke!
  16. Head gasket
  17. '97 Northstar MAF location and codes
  18. 94 4.6L Northstar stalls after warmup
  19. P024 - current 93 n* 4t80e trans.
  20. Fuel line?/Vacuum Line?
  21. 1993 4T80-E Transmission
  22. 65k mile service
  23. 4.6L Northstar Rattle
  24. '93 North* Glitch out of hand!
  25. 94 Concours Engine Clatter
  26. Any idea what part this is..urgent
  27. 94 N* overheating and leaking -bubba move
  28. What does a missfire feel like?
  29. 94 Concours leaking oil question
  30. Coil Pack Replacement
  31. 4.0L Northstar, more related to vin Y or vin 9?
  32. Converting a Y engine to a 9 in 97 STS
  33. '93 North* RUBBER PARTS!!!!!
  34. Ignition Ground Voltage
  35. Water in the valley
  36. Head Gasket Repair
  37. Would it be worth it?.
  38. TC defeat in 1st gear
  39. Yellow anti-freeze ?. (sorry)
  40. Where is the radiator drain plug?
  41. 4.9L? How can I tell?
  42. My 2 day old SLS is giving me some strange problems
  43. oil overfilled
  44. Reseting the ECU and PCM
  45. Just bought a used 1999 Deville 4.6L
  46. WOT vs HG preservation
  47. 03 Deville Filter Adapter Oil Leak
  48. Towing a FWD N* vehicle on 4 wheels
  49. Coolant in my Oil
  50. Northstar Repair without inserts
  51. 93 eldo northstar engine missing
  52. Help me understand...
  53. 97 sts cadillac turns over, will not start
  54. It overheated again - any idea why?
  55. What should I do about this 1997 Eldorado ETC?
  56. 96' Seville HG Problems.. :-(
  57. 97 SLS hard to start when warm
  58. How does this engine sound?
  59. HELP ASAP Need to Identify Engine in 97 sts
  60. 2000+ Northstars look different??
  61. cylinder guide pin removal
  62. 03 seville pcv location
  63. Are 00+ northstars slower than <99??
  64. 4.6 Northstar doining very strange
  65. engine boggs when accelerator is stepped on quickly
  66. do you have to pull motor to do head gaskets, can it be done in the car
  67. Thinking about a K&N cold air intake...
  68. northstar drive shaft problems, probably damaged bearing
  69. question on my 95 deville concours. heat gone out and check engine light....
  70. Are Northstar Heads Rebuildable? Or disposable?
  71. Water pump tensioner catastrophic failure?
  72. My Northstar HG project
  73. She's runnin' HOT captain.....
  74. Intake manifold
  75. How Can I prevent a blown head gasket problem
  76. steam out of tailpipes
  77. 93 STS cooling system/h-gasket problem
  78. Hard shifting and codes 0719 and 0732?
  79. 2000 devile Northstar 4.6 running hot
  80. Repairs to a 4T80E after 600+ hp
  81. Water crossover re-assembly
  82. Electric fans arent coming on / overheating
  83. 94 sts key stuck wont start
  84. Overheating problem...
  85. Engine surges?
  86. Front Bank Misfire
  87. Drag tips or suggestions for 03 DTS.
  88. looking for plug wires
  89. Eldorado Dog Bones on a STS/DTS
  90. Permanent HG Repair - Give an old N* new life
  91. 1999 Eldorado engine whine
  92. Where is oil filter?
  93. 95 Eldorado stalling
  94. P0300 code....AGAIN!
  95. 2 northstars ?
  96. Smoke after shutdown... Classic N* oil leak issue?
  97. Heal-a-seal
  98. Northstar Cold idle Knock?
  99. intermittent issue with burning smell
  100. Update on Turbo 99STS
  101. Aurora 4.0 V8
  102. 97 SLS engine problem
  103. Car will not start, backfired smoke form under hood on pass. side
  104. LOW COOLANT warning
  105. A list of factory stock quarter mile times?
  106. Northstar engines are a joke
  107. Please help with eratic idle!!!!!!!!!!
  108. Volkswagen Northstar ????
  109. Air Fuel Ratio on Narrow-Band O2 Sensor
  110. Did I Post This Question in The Wrong Place?
  111. small coolent leak
  112. mechanical oil pressure gage sending unit location
  113. Fuel rail
  114. Where is the PCM
  115. Two more codes ?
  116. 02' DHS overheating!!!!
  117. 2000 Deville Code P1860
  118. Head gasket repair "corpus christi, tx"
  119. OBD2 Scantool for Northstar Engine to monitor knock?
  120. Northstar Gas Mileage
  121. Help ASAP:will 96/97 power train exchange?
  122. Repair head gasket Or buy remanufactured eng
  123. 2000 STS Head gasket problem?
  124. 2001 STS motor mount?
  125. wrong alternator
  126. Another P1860/P0741 repair
  127. 2001 Seville Water pump?
  128. Information on P0741 & P1860. 1998+
  129. Philistines
  130. Opinions on N* nitrous use.
  131. 97 deville hard starting, no codes
  132. oil cooler
  133. Blown Head Gaskets?
  134. I need a water pump drive pulley please help
  135. Intake Backfire
  136. Dyno Run
  137. Replaced Engine 99 STS a few electrical issues!!!
  138. Drivetrain Efficiency
  139. What Gas Are You Using?
  140. pulled code pcm0443
  141. 05 sts v8 engine light
  142. Please Help P300
  143. Almost ready to go
  144. p0308 misfire, trying to find problem
  145. The use of Aftermarket reusable air filters
  146. Fuel pump :(
  147. Head gaskets X 2
  148. Long-term fuel trims up during deceleration
  149. Oil pressure after HG repair
  150. 240mph wooden car gets reversed flow NorthStar
  151. 98 sts stalling..aj..ranger...sub...help
  152. Water pump pulley disintegrating
  153. Regapping platinum plugs & best NA performance gap
  154. Head Gaskets Cause Coolent to Boil? And Repairs
  155. Engine swap
  156. Headgasket Vendor
  157. trans leak from a 4-80
  158. Loctite Red Gel REMOVAL!!!!!
  159. Service Emission System - No Acceleration
  160. Smoke
  161. 1996 Deville hard start and fuel pressure specs
  162. Doing my own head gasket
  163. 1997 cadillac deville performance?????
  164. 2005 STS with over 100k miles
  165. cadillac eldorado overheating but no oil in water
  166. 95 SLS w/ P076 Code - Trans pressure
  167. Where do you get Norms inserts?
  168. Engine heats up at idle (99 STS)
  169. Have two questions. Was looking around and found a leak.
  170. p1520 Trans Circuit
  171. Headgasket Fix for $1250
  172. Is it a head gasket?
  173. seriously clogged purge line! need help!
  174. Almost Overheating - is this Head Gasket ?
  175. Could Use Some Insight
  176. OBD Code E-119
  177. Deville Motor Swap 1997 to 1997 sts
  178. Took on my friend's LS1 *VID*
  179. 94 northstar cooling issue
  180. OIL FILTER/oil/AIR FILTER? What do you use on your N*?
  181. Time-sert kit
  182. 95 SLS Water Pump Removal Impact Wrench or Not?
  183. 2000 Deville Mechanical Issues *HELP*
  184. Can this be possible?
  185. looking for spark plugs
  186. need correct belt size to bypass ac comp on 97 concours
  187. DYI or NOT, Blown waterpump housing gasket
  188. Northstar 4.0 Aurora 97 interchangability
  189. Programmable ECU for STS 4.6L?
  190. Rough Idle Question For Ewill3rd
  191. Bought a Timesert kit on Ebay, what else do I need to install Norms inserts?
  192. loss of power overheating issues HELP
  193. What Anti-Freeze
  194. 50 Deville - Code = P0300 current
  195. New Owner/Member w/ n*star question
  196. P0300 - Timing Off
  197. intake gaskets
  198. Northstar 4.6 Coolant loss - but only under load
  199. 2000 deville or 1997 eldorado
  200. Northstar head gasket failures
  201. GM Top Engine Cleaner
  202. Coolent Temp
  203. Going to the track
  204. N* cylinder numbers
  205. Witnessed some component fail, what to do?
  206. Overhaeting Or Not or Maybe PLEASE HELP
  207. Non ACDelco Part?
  208. Electrical Problems With 94' Seville
  209. No HI cooling fan speed?
  210. Where to cut?? cradle bolt just spins
  211. engine ID
  212. Timing Chain Slack
  213. 2000 Deville Head gasket?
  214. 2000 Dts Front Engine Mount - Best Way To Change?
  215. coolant level deville 98
  216. Drag Race Calculator...
  217. engine swap pipe dreams
  218. Ingnition MAx Fuse burns out to stall 99 deville
  219. 98 sts what fits
  220. Northstar engine performance in my 01' DeVille DHS
  221. starter woes
  222. Intermittent spark loss on random coils 94' STS
  223. Disable the SIR
  224. Can you pull the front head with the engine in the car?
  225. Mechanics - Chicago area - Help
  226. Northstar Plenum Woes
  227. How to change pulley
  228. Engine to trans. bracket locations
  229. Is this an LT5
  230. 2001 Northstar in a 93 sts?
  231. no spark
  232. 1994 Cadillac STS
  233. Manifold or water pump causing overheating???
  234. Northstar crank sensor locations
  235. Quick engine swap question
  236. Solid Front Engine Mounts
  237. 98 deville no blower motor
  238. Still overheating
  239. Serpentine Belt
  240. couple of cooling sistem questions
  241. How many gallons Dex-Cool will I need.....
  242. oil can lite on and engine shuts down
  243. cat recomendations
  244. Therma Gasket Fixed My Head Leak
  245. Ignition Module Pin Out
  246. HG or paranoia?
  247. 2000 SLS keeps stalling
  248. another n* head gasket question
  249. Do you know what this part is?
  250. N* dissassembled engine found