: Northstar Engines and System Technical Discussion



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  1. 98 Northstar Motor Whistle
  2. Head Bolts, fixed by what year?
  3. Good repair shop in DC/MD/VA area
  4. 2001 Cracked block??
  5. rough idle at start-up
  6. Chronic miss in 4.6L Northstar
  7. Engine Cold/Knock/Tick Noise (Replace Pistons)
  8. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  9. Performance Upgrades?
  10. 02 sensor
  11. service eng light when heat turned on
  12. Won't start - Inconsistent compression
  13. L37 vs LD8, actual differences?
  14. Need Help Please!!!
  15. High charging voltage, stumped?
  16. No start on cold days?
  17. Dealer Diagnosis - $3000 BS??
  18. has anyone had a problem with 98 sls dieing at a low idle?
  19. ABS - Traction Control
  20. help with codes please
  21. High performance ignition?
  22. Northstar Performance Enhacements?
  23. Power LOSS
  24. Has anybody done a S/C northstar yet?
  25. PCM P1153: 02 Sensor Insufficient Switching, PLEASE HELP
  26. Traction Control Problem
  27. Bobbyinski -- Northstar failure
  28. Cold Engine Misfire
  29. DTCs from my flood car - help with diagnosis
  30. PCM code????
  31. how to pull dic codes?
  32. Dealer Installed Timesert Question
  33. 99 deville sounds/runs awful
  34. Oil pan gasket
  35. n.star water pump removal & install how-to
  36. Thinking of buying a Snap-On MT2500, any thoughts?
  37. Crankcase scrap rate.
  38. what years are compatible with my 93 STS?
  39. Aaaaagh! I should'v know better,
  40. Headlights wont cut off
  41. 2000+ engine in 1998 possible maybe?
  42. Service Engine Light Codes...Please Help
  43. Severe lack of performance
  44. Chk Emmisions/Chk Engine/Rough/Smelly
  45. code tc 0073 ?
  46. Leaking Radiator fixed
  47. RPM Surge at startup
  48. Engine Running Hot..239 at shut off
  49. 2000 deville clicking noise
  50. 1994 sts Idles @ 2-3 thousand RPM
  51. engine dies frequently-pc0231 the problem?
  52. Is this head gasket, or ? ? ?
  53. 94 Eldorado rough at slow speeds
  54. Particulars of VVT?
  55. Rough idle on cold start-up
  56. 5 reasons I LOVE my '94 n* DeVille
  57. Check Coolant Level after Water Pump R/R
  58. Engine Temperature
  59. MAT sensor, MAP sensor....
  60. Problems After Head Gasket Replacement...
  61. 98 Eldo running rough
  62. weight of the 4.6 northstar
  63. Computer programmer
  64. bent #1 con-rod 4.6 N* no signs!!?
  65. Oil leak?
  66. Thermostat sticking open?
  67. Volant Air Intake?
  68. Please Help With Problem On My Deville
  69. My new caddy...
  70. 4.6 litre dual turbo Northstar project, engine only?
  71. Oil pressure problem
  72. waterpump in a 98 Deville
  73. 93 STS Crank Position Sensors
  74. I need info!!!!
  75. high rpm northstar
  76. Misfire and SES light
  77. codes
  78. Rev Limiter in Park and Neutral??
  79. On Board diag?
  80. ? for Bbob re: engine designations
  81. Whats YOUR winter project?
  82. STS High Idle
  83. oil level message
  84. New member
  85. traction control light
  86. Engine "missing" during acceleration
  87. Vibration
  88. Repair cost
  89. Original v. New plug wires
  90. 94 Eldo Northstar No Spark - Why?
  91. Why is the left bank now the right bank?
  92. 1994 Northstar noise
  93. Question about Corsa exhaust
  94. Dont change my ATF???? Please Help!!!!
  95. "NEW" Northstar?
  96. 97 DeVille oil leak
  97. Cabin air filter
  98. Top Speed Reached - Fuel Pump Shutoff at 105mph?
  99. Northstar ?s
  100. Spark Plugs
  101. Head Gasket Problem
  102. concours will not crank in cold weather
  103. ShortStar 3.5L oil usage
  104. Dealer Fuel Injection and Carbon Treatment
  105. AC-Delco part vs Cadillac
  106. Transmission Q? What would you do.
  107. Northstar CAD drawings ???
  108. Please Help with Instructions to Replace radiator
  109. Anybody notice? Bbob - not driving a Caddy?!
  110. Got codes P0201 P0204 P0206 P0207 P0300
  111. Is around town driving in 3rd OK?
  112. Fuel In Intake Manifold
  113. Aftermarker engine computers
  114. Need oversize timesert kit
  115. Timesert Process and Cost
  116. Water pump changed, still leaking coolant !!
  117. Running rough, really baffled
  118. Code P0420
  119. PCM Overrides?
  120. 97 concours service engine soon no codes
  121. Help
  122. Idle speed control actuator (motor)
  123. want more power!
  124. my return,enter 1994 cadillac STS (callista II)
  125. Bolt size to put on engine stand
  126. some code questions
  127. 95 seville code P039
  128. arcing at 7/8 coil???
  129. Failing fuel pump...
  130. oil under the intake
  131. Little update on my progress
  132. Very odd smell ???
  133. EGR cleaning
  134. Weird problem... or maybe not.
  135. Northstar Maf Table...i Need
  136. Time used to install twenty head-bolt time-serts
  137. Exhaust Sounds and vid
  138. temp display revisited....
  139. 96 Deville Need Help! Code P0171
  140. Shorted Fuel Pump (Reply to bbobynski)
  141. How to pull codes on OBD2 SLS Seville?
  142. Does anyone have a link for OBD2 Code Explanations?
  143. It Lives! (again)
  144. No problems with my N*, how bout you?
  145. Weird DTC message...?
  146. Water pump tool
  147. 4T80E or 4T60E
  148. 4T60E Trans............
  149. Bbob, question about a P0300
  150. Water Pump Tensioner Question??
  151. Please Help My Caddy
  152. Loud Valve Tapping 2002 Sts
  153. new crankshaft but........
  154. What is a timesert?
  155. Squealing pulley?
  156. Water Pump Change /Coolant Supplement Question
  157. Deville oil leak
  158. I increased gas milage
  159. 1996 Deville dead after hitting rock
  160. were can i buy water resourvoir
  161. motor mounts
  162. pulley problem
  163. very good find
  164. Strange Knocking. '98 STS
  165. Spark Plugs, Interesting observation
  166. '97 STS coolant temp - what SHOULD it be?
  167. Oil low pressure on 1996 4.5L Northstar
  168. electrical trouble
  169. 98 deville please help northstar lover with 3 problems
  170. Crank position sensors
  171. Codes - P0171 & P0174 96 STS
  172. Code listing for 94 Eldorado
  173. Uneven torque on main bolts?
  174. Where is the oil level sensor located?
  175. Hard starting.
  176. Torque Converter Operating @ 422 Deg. Celcius?
  177. 95 SLS - 2 Fuel Filters????
  178. 95 Sls Service Engine Light
  179. Transmission Input Speed Sensor need help??
  180. 94 Eldorado engine revs at stops
  181. Slight Coolant Smell....
  182. Towing Airstream trailer with '94 N*
  183. Backfiring through intake causes????
  184. flashing check engine.. shakey idle - 96 sts
  185. My '97 STS tune up experience...
  186. 96 deville north* is missing
  187. Need Advice: Replacing Rear Bank O2 Sensor 97 Deville
  188. o2 sensor---good/bad ?????
  189. Turbo chargin the N*? Might be possible!!!
  190. Traction Controll/ ABS Code Question
  191. Northstar coolant pellets?
  192. Where can I look up part numbers?
  193. 96 Aurora throttle position sensor location
  194. Northstar water crossover
  195. FSMs and such
  196. O2 sensor Question
  197. Power Steering Assist Intermittent
  198. Spark Plug Wires
  199. "Check Coolant Level" - on then off?
  200. Overtightened Balancer
  201. Head gasket blown? Help!
  202. How do I get the Temp reading?
  203. How hard to R/R Fuel filter?
  204. Miss or Studder around 45-50
  205. 94 SLS rad fan switching sensor
  206. Tranny rebuild
  207. Plug wires - what are they good for?
  208. Where are Crank Position Sensors on 2000 Deville
  209. New engine in 2002 STS, is it worth it?
  210. Horrible God-aweful squeaking!
  211. Parts List for Timesert Repair
  212. Where to buy Rebuilt-Create NorthStar ??
  213. can a N* fit in an 89 Deville?
  214. 2000 eldorado exhaust options??
  215. which timeserts to replace with Bigserts?
  216. Overheating 93 N*
  217. Help...Service Engine Light
  218. Stutter, Engine or Trans?
  219. found cause of coolant smell
  220. 97 STS with intermittent hesitation
  221. Anyone with sound clip of Ultraflow mufflers??
  222. 1999 Deville has front end rattle
  223. DTC P0385 Crankshaft Position ??
  224. Need Help! Check Emissions Light Car Stalling
  225. 2000 Deville ERROR CODE
  226. bbobynski please teach
  227. Splitting spark plugs
  228. 94 Eldo trans code PO56
  229. Transmission and code...
  230. Bbob, anyone, new cadillac engine?
  231. Stripped maiin bolts
  232. 2000 STS leaking Oil
  233. wanted timesert kit northstar
  234. NorthStar with 366 Thousnd Miles
  235. Northstar "Diesels" when cold
  236. Engine problem
  237. WolfKatz Northstar Fuel Rail build
  238. 2nd gear launch???
  239. Plastic Smell
  240. is 218 hot?
  241. Question about vent tube under air fitler box
  242. Need help with part numbers
  243. Main Bearing pics
  244. 5 years or 100,000 miles?
  245. New Cadillac Owner! Need some help with Northstar motor!
  246. New To Forum...Need Advise On N* Oil Leaks
  247. OBDII access...its possible
  248. Need Technical Information about Northstar engine/drivetrain.
  249. N* questions
  250. Good Price On New Northstar