: Northstar Engines and System Technical Discussion



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