: Northstar Engines and System Technical Discussion



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