: Northstar Engines and System Technical Discussion



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  1. 1996 DeVille Northstar
  2. Motor mount help needed!
  3. 1994 STS First Roadtrip Coolant Temp
  4. Break In Oil
  5. question about N* headgasket
  6. trans code
  7. No 4th gear...
  8. 02 sensor
  9. Northstar longevity! 323,000 miles!
  10. 95 Seville SLS Major Problems
  11. Found the SES P102 issue! Now A/C issue
  12. TPS and/or EGR needed?
  13. OBDII diagnostic codes
  14. P0102/B1009/U1301 and others HELP!!!
  15. Max throtle angle
  16. Throttle Position Sensor relearn
  17. Original or swapped N*
  18. New cdes!!!!
  19. 1995 Concours, Fuel injector size?
  20. Reading .Bins from proms?
  21. Coolant changed to green... problem?
  22. Northstar Rebuild --- Chime In, I have questions...
  23. Preventive Maintenance While Engines Out
  24. burn out? burn not.
  25. Removing Heli-coils
  26. DIC items???
  27. cost?
  28. Oil Cooler Lines
  29. Smell Coolant but from what?
  30. VIN and Performance Questions
  31. Small coolant leak
  32. check engine soon
  33. 1994 Northstar Swap
  34. Bbob, Purging/exchanging tranny fluid
  35. Rough running 2000 Seville
  36. northstar motor swap
  37. oil pan gasket change
  38. 4T80E hard shift
  39. black box under car????
  40. 93 eldorado
  41. 1987 Deville Stereo Question, Please help?
  42. Fuel Injector
  43. Car jerking in 3rd gear
  44. 98 Northstar Motor Whistle
  45. Head Bolts, fixed by what year?
  46. Good repair shop in DC/MD/VA area
  47. 2001 Cracked block??
  48. rough idle at start-up
  49. Chronic miss in 4.6L Northstar
  50. Engine Cold/Knock/Tick Noise (Replace Pistons)
  51. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  52. Performance Upgrades?
  53. 02 sensor
  54. service eng light when heat turned on
  55. Won't start - Inconsistent compression
  56. L37 vs LD8, actual differences?
  57. Need Help Please!!!
  58. High charging voltage, stumped?
  59. No start on cold days?
  60. Dealer Diagnosis - $3000 BS??
  61. has anyone had a problem with 98 sls dieing at a low idle?
  62. ABS - Traction Control
  63. help with codes please
  64. High performance ignition?
  65. Northstar Performance Enhacements?
  66. Power LOSS
  67. Has anybody done a S/C northstar yet?
  68. PCM P1153: 02 Sensor Insufficient Switching, PLEASE HELP
  69. Traction Control Problem
  70. Bobbyinski -- Northstar failure
  71. Cold Engine Misfire
  72. DTCs from my flood car - help with diagnosis
  73. PCM code????
  74. how to pull dic codes?
  75. Dealer Installed Timesert Question
  76. 99 deville sounds/runs awful
  77. Oil pan gasket
  78. n.star water pump removal & install how-to
  79. Thinking of buying a Snap-On MT2500, any thoughts?
  80. Crankcase scrap rate.
  81. what years are compatible with my 93 STS?
  82. Aaaaagh! I should'v know better,
  83. Headlights wont cut off
  84. 2000+ engine in 1998 possible maybe?
  85. Service Engine Light Codes...Please Help
  86. Severe lack of performance
  87. Chk Emmisions/Chk Engine/Rough/Smelly
  88. code tc 0073 ?
  89. Leaking Radiator fixed
  90. RPM Surge at startup
  91. Engine Running Hot..239 at shut off
  92. 2000 deville clicking noise
  93. 1994 sts Idles @ 2-3 thousand RPM
  94. engine dies frequently-pc0231 the problem?
  95. Is this head gasket, or ? ? ?
  96. 94 Eldorado rough at slow speeds
  97. Particulars of VVT?
  98. Rough idle on cold start-up
  99. 5 reasons I LOVE my '94 n* DeVille
  100. Check Coolant Level after Water Pump R/R
  101. Engine Temperature
  102. MAT sensor, MAP sensor....
  103. Problems After Head Gasket Replacement...
  104. 98 Eldo running rough
  105. weight of the 4.6 northstar
  106. Computer programmer
  107. bent #1 con-rod 4.6 N* no signs!!?
  108. Oil leak?
  109. Thermostat sticking open?
  110. Volant Air Intake?
  111. Please Help With Problem On My Deville
  112. My new caddy...
  113. 4.6 litre dual turbo Northstar project, engine only?
  114. Oil pressure problem
  115. waterpump in a 98 Deville
  116. 93 STS Crank Position Sensors
  117. I need info!!!!
  118. high rpm northstar
  119. Misfire and SES light
  120. codes
  121. Rev Limiter in Park and Neutral??
  122. On Board diag?
  123. ? for Bbob re: engine designations
  124. Whats YOUR winter project?
  125. STS High Idle
  126. oil level message
  127. New member
  128. traction control light
  129. Engine "missing" during acceleration
  130. Vibration
  131. Repair cost
  132. Original v. New plug wires
  133. 94 Eldo Northstar No Spark - Why?
  134. Why is the left bank now the right bank?
  135. 1994 Northstar noise
  136. Question about Corsa exhaust
  137. Dont change my ATF???? Please Help!!!!
  138. "NEW" Northstar?
  139. 97 DeVille oil leak
  140. Cabin air filter
  141. Top Speed Reached - Fuel Pump Shutoff at 105mph?
  142. Northstar ?s
  143. Spark Plugs
  144. Head Gasket Problem
  145. concours will not crank in cold weather
  146. ShortStar 3.5L oil usage
  147. Dealer Fuel Injection and Carbon Treatment
  148. AC-Delco part vs Cadillac
  149. Transmission Q? What would you do.
  150. Northstar CAD drawings ???
  151. Please Help with Instructions to Replace radiator
  152. Anybody notice? Bbob - not driving a Caddy?!
  153. Got codes P0201 P0204 P0206 P0207 P0300
  154. Is around town driving in 3rd OK?
  155. Fuel In Intake Manifold
  156. Aftermarker engine computers
  157. Need oversize timesert kit
  158. Timesert Process and Cost
  159. Water pump changed, still leaking coolant !!
  160. Running rough, really baffled
  161. Code P0420
  162. PCM Overrides?
  163. 97 concours service engine soon no codes
  164. Help
  165. Idle speed control actuator (motor)
  166. want more power!
  167. my return,enter 1994 cadillac STS (callista II)
  168. Bolt size to put on engine stand
  169. some code questions
  170. 95 seville code P039
  171. arcing at 7/8 coil???
  172. Failing fuel pump...
  173. oil under the intake
  174. Little update on my progress
  175. Very odd smell ???
  176. EGR cleaning
  177. Weird problem... or maybe not.
  178. Northstar Maf Table...i Need
  179. Time used to install twenty head-bolt time-serts
  180. Exhaust Sounds and vid
  181. temp display revisited....
  182. 96 Deville Need Help! Code P0171
  183. Shorted Fuel Pump (Reply to bbobynski)
  184. How to pull codes on OBD2 SLS Seville?
  185. Does anyone have a link for OBD2 Code Explanations?
  186. It Lives! (again)
  187. No problems with my N*, how bout you?
  188. Weird DTC message...?
  189. Water pump tool
  190. 4T80E or 4T60E
  191. 4T60E Trans............
  192. Bbob, question about a P0300
  193. Water Pump Tensioner Question??
  194. Please Help My Caddy
  195. Loud Valve Tapping 2002 Sts
  196. new crankshaft but........
  197. What is a timesert?
  198. Squealing pulley?
  199. Water Pump Change /Coolant Supplement Question
  200. Deville oil leak
  201. I increased gas milage
  202. 1996 Deville dead after hitting rock
  203. were can i buy water resourvoir
  204. motor mounts
  205. pulley problem
  206. very good find
  207. Strange Knocking. '98 STS
  208. Spark Plugs, Interesting observation
  209. '97 STS coolant temp - what SHOULD it be?
  210. Oil low pressure on 1996 4.5L Northstar
  211. electrical trouble
  212. 98 deville please help northstar lover with 3 problems
  213. Crank position sensors
  214. Codes - P0171 & P0174 96 STS
  215. Code listing for 94 Eldorado
  216. Uneven torque on main bolts?
  217. Where is the oil level sensor located?
  218. Hard starting.
  219. Torque Converter Operating @ 422 Deg. Celcius?
  220. 95 SLS - 2 Fuel Filters????
  221. 95 Sls Service Engine Light
  222. Transmission Input Speed Sensor need help??
  223. 94 Eldorado engine revs at stops
  224. Slight Coolant Smell....
  225. Towing Airstream trailer with '94 N*
  226. Backfiring through intake causes????
  227. flashing check engine.. shakey idle - 96 sts
  228. My '97 STS tune up experience...
  229. 96 deville north* is missing
  230. Need Advice: Replacing Rear Bank O2 Sensor 97 Deville
  231. o2 sensor---good/bad ?????
  232. Turbo chargin the N*? Might be possible!!!
  233. Traction Controll/ ABS Code Question
  234. Northstar coolant pellets?
  235. Where can I look up part numbers?
  236. 96 Aurora throttle position sensor location
  237. Northstar water crossover
  238. FSMs and such
  239. O2 sensor Question
  240. Power Steering Assist Intermittent
  241. Spark Plug Wires
  242. "Check Coolant Level" - on then off?
  243. Overtightened Balancer
  244. Head gasket blown? Help!
  245. How do I get the Temp reading?
  246. How hard to R/R Fuel filter?
  247. Miss or Studder around 45-50
  248. 94 SLS rad fan switching sensor
  249. Tranny rebuild
  250. Plug wires - what are they good for?