: Northstar Engines and System Technical Discussion



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  1. Fly wheel/starter prof replaced, now oil leak?
  2. Keep getting same code.
  3. Cold starts not so good...
  4. 2001 DTS valvetrain noise after HG job?!
  5. Half Case Seal....
  6. P0153 - HO2S Slow Response Bank 2 Sensor 1
  7. Oil leak on STS, oil pan?
  8. 1994 eldorado coolant leak
  9. failed smog test again. the HC is still high @15MPH
  10. what resonator reduces drone, but not volume? (corsa not option)
  11. Water crossover parts to replace?
  12. intake and top cover 94 Seville STS 4.6
  13. 00 STS Air Pumps; how many of them?
  14. oil pressure
  15. Have a Northstar engine, what should I do with it?
  16. Code help...please!!!!!
  17. Help with o2 sensor--no cat--code p0146
  18. Anyone here an attorney - re: Head gasket failures?
  19. what happend to my kruella
  20. 6 of 8 spark plugs are oily!
  21. Code Assistance
  22. HG cause emissions test failure?
  23. new DTS. wide open throttle?
  24. Quick question: about to order from Rockauto
  25. Remote start
  26. 01 dhs over heating HELP!! PLEASE
  27. Questions about my Headgasket Job
  28. Curse stop leak and fast talking sales men!!
  29. Onboard computer and the octane rating of the fuel being used.
  30. 99 Deville Northstar-New fuel pump, but wont start
  31. need help on north star wire replacing...
  32. codes 073 and 1644
  33. Ranger Should Write a Caddy What to Expect Book
  34. 1st Annual Northstar Meet
  35. Dtc 730
  36. Northstar Stud Kits ready to ship!
  37. 98 SLS screeching noise from egen.
  38. ICM weak spark, have questions
  39. How to drop the cradle?
  40. Wheres my coolant going????
  41. front driver o2 sensor, where do connector wire lead to??
  42. Just got Headgaskets done. Still yellow liquid.
  43. Alternator Bearing Replacement?
  44. 01 STS Cracked Block Rebuilt Engine Recomendations
  45. Didn't pass emission. Got a high NO. Shouldn't use regular Gas(87)?
  46. A spike in coolant temp '93 North*
  47. 2007 XLR 4.6 in a Hot Rod!
  48. Testing MAF Sensor on '97 N* ??
  49. 02 SLS not liking the cold weather
  50. New Eldo Owner: Speed Limiter Question
  51. Damned Motor Mounts
  52. weak fuel pump question
  53. Low oil pressure/stop engine message
  54. '03 SLS - "Surges" at slowdown and stoplights
  55. torque convertor clutch solenoid
  56. Service Electrical System
  57. EGR Removal / Steel fuel rails
  58. advice needed - stubborn tight spark plug
  59. Motor swap,
  60. "97 DeVille B1S1 Oxygen Sensor
  61. I need help
  62. Track times
  63. Coolant leak when driving
  64. 96 SLS Electrical Charge System Gremlin
  65. P 420 code-what does it mean?
  66. Heater Core?
  67. Which side of the engine is "left" side?
  68. Vacuun line diagrahm
  69. 96 sls over curb now won't start
  70. electrical humming noise
  71. cam reluctors
  72. crankshaft sensors
  73. confused
  74. Transmission Pressure Control Solenoid 4T80E
  75. Worn Engine Mounts?
  76. strip thread in block
  77. Cadillac techs, can we visit you?
  78. Why remove the strut brace?
  79. oil filter adapter housing broke!
  80. Head gasket
  81. '97 Northstar MAF location and codes
  82. 94 4.6L Northstar stalls after warmup
  83. P024 - current 93 n* 4t80e trans.
  84. Fuel line?/Vacuum Line?
  85. 1993 4T80-E Transmission
  86. 65k mile service
  87. 4.6L Northstar Rattle
  88. '93 North* Glitch out of hand!
  89. 94 Concours Engine Clatter
  90. Any idea what part this is..urgent
  91. 94 N* overheating and leaking -bubba move
  92. What does a missfire feel like?
  93. 94 Concours leaking oil question
  94. Coil Pack Replacement
  95. 4.0L Northstar, more related to vin Y or vin 9?
  96. Converting a Y engine to a 9 in 97 STS
  97. '93 North* RUBBER PARTS!!!!!
  98. Ignition Ground Voltage
  99. Water in the valley
  100. Head Gasket Repair
  101. Would it be worth it?.
  102. TC defeat in 1st gear
  103. Yellow anti-freeze ?. (sorry)
  104. Where is the radiator drain plug?
  105. 4.9L? How can I tell?
  106. My 2 day old SLS is giving me some strange problems
  107. oil overfilled
  108. Reseting the ECU and PCM
  109. Just bought a used 1999 Deville 4.6L
  110. WOT vs HG preservation
  111. 03 Deville Filter Adapter Oil Leak
  112. Towing a FWD N* vehicle on 4 wheels
  113. Coolant in my Oil
  114. Northstar Repair without inserts
  115. 93 eldo northstar engine missing
  116. Help me understand...
  117. 97 sts cadillac turns over, will not start
  118. It overheated again - any idea why?
  119. What should I do about this 1997 Eldorado ETC?
  120. 96' Seville HG Problems.. :-(
  121. 97 SLS hard to start when warm
  122. How does this engine sound?
  123. HELP ASAP Need to Identify Engine in 97 sts
  124. 2000+ Northstars look different??
  125. cylinder guide pin removal
  126. 03 seville pcv location
  127. Are 00+ northstars slower than <99??
  128. 4.6 Northstar doining very strange
  129. engine boggs when accelerator is stepped on quickly
  130. do you have to pull motor to do head gaskets, can it be done in the car
  131. Thinking about a K&N cold air intake...
  132. northstar drive shaft problems, probably damaged bearing
  133. question on my 95 deville concours. heat gone out and check engine light....
  134. Are Northstar Heads Rebuildable? Or disposable?
  135. Water pump tensioner catastrophic failure?
  136. My Northstar HG project
  137. She's runnin' HOT captain.....
  138. Intake manifold
  139. How Can I prevent a blown head gasket problem
  140. steam out of tailpipes
  141. 93 STS cooling system/h-gasket problem
  142. Hard shifting and codes 0719 and 0732?
  143. 2000 devile Northstar 4.6 running hot
  144. Repairs to a 4T80E after 600+ hp
  145. Water crossover re-assembly
  146. Electric fans arent coming on / overheating
  147. 94 sts key stuck wont start
  148. Overheating problem...
  149. Engine surges?
  150. Front Bank Misfire
  151. Drag tips or suggestions for 03 DTS.
  152. looking for plug wires
  153. Eldorado Dog Bones on a STS/DTS
  154. Permanent HG Repair - Give an old N* new life
  155. 1999 Eldorado engine whine
  156. Where is oil filter?
  157. 95 Eldorado stalling
  158. P0300 code....AGAIN!
  159. 2 northstars ?
  160. Smoke after shutdown... Classic N* oil leak issue?
  161. Heal-a-seal
  162. Northstar Cold idle Knock?
  163. intermittent issue with burning smell
  164. Update on Turbo 99STS
  165. Aurora 4.0 V8
  166. 97 SLS engine problem
  167. Car will not start, backfired smoke form under hood on pass. side
  168. LOW COOLANT warning
  169. A list of factory stock quarter mile times?
  170. Northstar engines are a joke
  171. Please help with eratic idle!!!!!!!!!!
  172. Volkswagen Northstar ????
  173. Air Fuel Ratio on Narrow-Band O2 Sensor
  174. Did I Post This Question in The Wrong Place?
  175. small coolent leak
  176. mechanical oil pressure gage sending unit location
  177. Fuel rail
  178. Where is the PCM
  179. Two more codes ?
  180. 02' DHS overheating!!!!
  181. 2000 Deville Code P1860
  182. Head gasket repair "corpus christi, tx"
  183. OBD2 Scantool for Northstar Engine to monitor knock?
  184. Northstar Gas Mileage
  185. Help ASAP:will 96/97 power train exchange?
  186. Repair head gasket Or buy remanufactured eng
  187. 2000 STS Head gasket problem?
  188. 2001 STS motor mount?
  189. wrong alternator
  190. Another P1860/P0741 repair
  191. 2001 Seville Water pump?
  192. Information on P0741 & P1860. 1998+
  193. Philistines
  194. Opinions on N* nitrous use.
  195. 97 deville hard starting, no codes
  196. oil cooler
  197. Blown Head Gaskets?
  198. I need a water pump drive pulley please help
  199. Intake Backfire
  200. Dyno Run
  201. Replaced Engine 99 STS a few electrical issues!!!
  202. Drivetrain Efficiency
  203. What Gas Are You Using?
  204. pulled code pcm0443
  205. 05 sts v8 engine light
  206. Please Help P300
  207. Almost ready to go
  208. p0308 misfire, trying to find problem
  209. The use of Aftermarket reusable air filters
  210. Fuel pump :(
  211. Head gaskets X 2
  212. Long-term fuel trims up during deceleration
  213. Oil pressure after HG repair
  214. 240mph wooden car gets reversed flow NorthStar
  215. 98 sts stalling..aj..ranger...sub...help
  216. Water pump pulley disintegrating
  217. Regapping platinum plugs & best NA performance gap
  218. Head Gaskets Cause Coolent to Boil? And Repairs
  219. Engine swap
  220. Headgasket Vendor
  221. trans leak from a 4-80
  222. Loctite Red Gel REMOVAL!!!!!
  223. Service Emission System - No Acceleration
  224. Smoke
  225. 1996 Deville hard start and fuel pressure specs
  226. Doing my own head gasket
  227. 1997 cadillac deville performance?????
  228. 2005 STS with over 100k miles
  229. cadillac eldorado overheating but no oil in water
  230. 95 SLS w/ P076 Code - Trans pressure
  231. Where do you get Norms inserts?
  232. Engine heats up at idle (99 STS)
  233. Have two questions. Was looking around and found a leak.
  234. p1520 Trans Circuit
  235. Headgasket Fix for $1250
  236. Is it a head gasket?
  237. seriously clogged purge line! need help!
  238. Almost Overheating - is this Head Gasket ?
  239. Could Use Some Insight
  240. OBD Code E-119
  241. Deville Motor Swap 1997 to 1997 sts
  242. Took on my friend's LS1 *VID*
  243. 94 northstar cooling issue
  244. OIL FILTER/oil/AIR FILTER? What do you use on your N*?
  245. Time-sert kit
  246. 95 SLS Water Pump Removal Impact Wrench or Not?
  247. 2000 Deville Mechanical Issues *HELP*
  248. Can this be possible?
  249. looking for spark plugs
  250. need correct belt size to bypass ac comp on 97 concours