: Northstar Engines and System Technical Discussion



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