: Northstar Engines and System Technical Discussion



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  1. Headlights wont cut off
  2. 2000+ engine in 1998 possible maybe?
  3. Service Engine Light Codes...Please Help
  4. Severe lack of performance
  5. Chk Emmisions/Chk Engine/Rough/Smelly
  6. code tc 0073 ?
  7. Leaking Radiator fixed
  8. RPM Surge at startup
  9. Engine Running Hot..239 at shut off
  10. 2000 deville clicking noise
  11. 1994 sts Idles @ 2-3 thousand RPM
  12. engine dies frequently-pc0231 the problem?
  13. Is this head gasket, or ? ? ?
  14. 94 Eldorado rough at slow speeds
  15. Particulars of VVT?
  16. Rough idle on cold start-up
  17. 5 reasons I LOVE my '94 n* DeVille
  18. Check Coolant Level after Water Pump R/R
  19. Engine Temperature
  20. MAT sensor, MAP sensor....
  21. Problems After Head Gasket Replacement...
  22. 98 Eldo running rough
  23. weight of the 4.6 northstar
  24. Computer programmer
  25. bent #1 con-rod 4.6 N* no signs!!?
  26. Oil leak?
  27. Thermostat sticking open?
  28. Volant Air Intake?
  29. Please Help With Problem On My Deville
  30. My new caddy...
  31. 4.6 litre dual turbo Northstar project, engine only?
  32. Oil pressure problem
  33. waterpump in a 98 Deville
  34. 93 STS Crank Position Sensors
  35. I need info!!!!
  36. high rpm northstar
  37. Misfire and SES light
  38. codes
  39. Rev Limiter in Park and Neutral??
  40. On Board diag?
  41. ? for Bbob re: engine designations
  42. Whats YOUR winter project?
  43. STS High Idle
  44. oil level message
  45. New member
  46. traction control light
  47. Engine "missing" during acceleration
  48. Vibration
  49. Repair cost
  50. Original v. New plug wires
  51. 94 Eldo Northstar No Spark - Why?
  52. Why is the left bank now the right bank?
  53. 1994 Northstar noise
  54. Question about Corsa exhaust
  55. Dont change my ATF???? Please Help!!!!
  56. "NEW" Northstar?
  57. 97 DeVille oil leak
  58. Cabin air filter
  59. Top Speed Reached - Fuel Pump Shutoff at 105mph?
  60. Northstar ?s
  61. Spark Plugs
  62. Head Gasket Problem
  63. concours will not crank in cold weather
  64. ShortStar 3.5L oil usage
  65. Dealer Fuel Injection and Carbon Treatment
  66. AC-Delco part vs Cadillac
  67. Transmission Q? What would you do.
  68. Northstar CAD drawings ???
  69. Please Help with Instructions to Replace radiator
  70. Anybody notice? Bbob - not driving a Caddy?!
  71. Got codes P0201 P0204 P0206 P0207 P0300
  72. Is around town driving in 3rd OK?
  73. Fuel In Intake Manifold
  74. Aftermarker engine computers
  75. Need oversize timesert kit
  76. Timesert Process and Cost
  77. Water pump changed, still leaking coolant !!
  78. Running rough, really baffled
  79. Code P0420
  80. PCM Overrides?
  81. 97 concours service engine soon no codes
  82. Help
  83. Idle speed control actuator (motor)
  84. want more power!
  85. my return,enter 1994 cadillac STS (callista II)
  86. Bolt size to put on engine stand
  87. some code questions
  88. 95 seville code P039
  89. arcing at 7/8 coil???
  90. Failing fuel pump...
  91. oil under the intake
  92. Little update on my progress
  93. Very odd smell ???
  94. EGR cleaning
  95. Weird problem... or maybe not.
  96. Northstar Maf Table...i Need
  97. Time used to install twenty head-bolt time-serts
  98. Exhaust Sounds and vid
  99. temp display revisited....
  100. 96 Deville Need Help! Code P0171
  101. Shorted Fuel Pump (Reply to bbobynski)
  102. How to pull codes on OBD2 SLS Seville?
  103. Does anyone have a link for OBD2 Code Explanations?
  104. It Lives! (again)
  105. No problems with my N*, how bout you?
  106. Weird DTC message...?
  107. Water pump tool
  108. 4T80E or 4T60E
  109. 4T60E Trans............
  110. Bbob, question about a P0300
  111. Water Pump Tensioner Question??
  112. Please Help My Caddy
  113. Loud Valve Tapping 2002 Sts
  114. new crankshaft but........
  115. What is a timesert?
  116. Squealing pulley?
  117. Water Pump Change /Coolant Supplement Question
  118. Deville oil leak
  119. I increased gas milage
  120. 1996 Deville dead after hitting rock
  121. were can i buy water resourvoir
  122. motor mounts
  123. pulley problem
  124. very good find
  125. Strange Knocking. '98 STS
  126. Spark Plugs, Interesting observation
  127. '97 STS coolant temp - what SHOULD it be?
  128. Oil low pressure on 1996 4.5L Northstar
  129. electrical trouble
  130. 98 deville please help northstar lover with 3 problems
  131. Crank position sensors
  132. Codes - P0171 & P0174 96 STS
  133. Code listing for 94 Eldorado
  134. Uneven torque on main bolts?
  135. Where is the oil level sensor located?
  136. Hard starting.
  137. Torque Converter Operating @ 422 Deg. Celcius?
  138. 95 SLS - 2 Fuel Filters????
  139. 95 Sls Service Engine Light
  140. Transmission Input Speed Sensor need help??
  141. 94 Eldorado engine revs at stops
  142. Slight Coolant Smell....
  143. Towing Airstream trailer with '94 N*
  144. Backfiring through intake causes????
  145. flashing check engine.. shakey idle - 96 sts
  146. My '97 STS tune up experience...
  147. 96 deville north* is missing
  148. Need Advice: Replacing Rear Bank O2 Sensor 97 Deville
  149. o2 sensor---good/bad ?????
  150. Turbo chargin the N*? Might be possible!!!
  151. Traction Controll/ ABS Code Question
  152. Northstar coolant pellets?
  153. Where can I look up part numbers?
  154. 96 Aurora throttle position sensor location
  155. Northstar water crossover
  156. FSMs and such
  157. O2 sensor Question
  158. Power Steering Assist Intermittent
  159. Spark Plug Wires
  160. "Check Coolant Level" - on then off?
  161. Overtightened Balancer
  162. Head gasket blown? Help!
  163. How do I get the Temp reading?
  164. How hard to R/R Fuel filter?
  165. Miss or Studder around 45-50
  166. 94 SLS rad fan switching sensor
  167. Tranny rebuild
  168. Plug wires - what are they good for?
  169. Where are Crank Position Sensors on 2000 Deville
  170. New engine in 2002 STS, is it worth it?
  171. Horrible God-aweful squeaking!
  172. Parts List for Timesert Repair
  173. Where to buy Rebuilt-Create NorthStar ??
  174. can a N* fit in an 89 Deville?
  175. 2000 eldorado exhaust options??
  176. which timeserts to replace with Bigserts?
  177. Overheating 93 N*
  178. Help...Service Engine Light
  179. Stutter, Engine or Trans?
  180. found cause of coolant smell
  181. 97 STS with intermittent hesitation
  182. Anyone with sound clip of Ultraflow mufflers??
  183. 1999 Deville has front end rattle
  184. DTC P0385 Crankshaft Position ??
  185. Need Help! Check Emissions Light Car Stalling
  186. 2000 Deville ERROR CODE
  187. bbobynski please teach
  188. Splitting spark plugs
  189. 94 Eldo trans code PO56
  190. Transmission and code...
  191. Bbob, anyone, new cadillac engine?
  192. Stripped maiin bolts
  193. 2000 STS leaking Oil
  194. wanted timesert kit northstar
  195. NorthStar with 366 Thousnd Miles
  196. Northstar "Diesels" when cold
  197. Engine problem
  198. WolfKatz Northstar Fuel Rail build
  199. 2nd gear launch???
  200. Plastic Smell
  201. is 218 hot?
  202. Question about vent tube under air fitler box
  203. Need help with part numbers
  204. Main Bearing pics
  205. 5 years or 100,000 miles?
  206. New Cadillac Owner! Need some help with Northstar motor!
  207. New To Forum...Need Advise On N* Oil Leaks
  208. OBDII access...its possible
  209. Need Technical Information about Northstar engine/drivetrain.
  210. N* questions
  211. Good Price On New Northstar
  212. need a northstar motor
  213. How much would you pay?
  214. 1997 Deville Transmission Service
  215. P083 Code meaning????
  216. Fuel injector leaking at rail contact
  217. Blowing out the engine
  218. Coil Pack
  219. Performance transmission
  220. no spark in new motor! HELP!!!
  221. Runs like S**T
  222. Northstar Time-sert repair, where in nor-Cal?
  223. 1995 STS MAT sensor replacement
  224. Finding the lsot 25 HP
  225. 1996 Sls Temp Gauge
  226. Where to put coolant pellets?
  227. Things to know when buying
  228. R&I Crankshaft Position Sensor '94 SLS Northstar
  229. pcm p0741 repair estimate
  230. knock sensor
  231. Cradle Bolts...uh oh
  232. Transmission Questions...
  233. EGR removal after S/S fuel rail
  234. $$$$ how much it going to take?
  235. Corsa mufflers
  236. Searching for a GM part number...
  237. Cradle Dolly
  238. 95 STS-SES indicator
  239. no start
  240. 94 SLS has bad freeze plug.....
  241. 94 SLS oil change computer reset./ torques
  242. Coolent Fan on temp
  243. Pcm 0420 Code???
  244. Help!!!!
  245. 94 Seville SLS V8
  246. Northstar won't start
  247. Questions about a Stall Torque Converter ???
  248. N* Problem
  249. What muffler to buy??
  250. 93 STS Northstar, Would like some help.