: Northstar Engines and System Technical Discussion



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  1. Heater hoses
  2. Heater hoses
  3. Radiator tablets redux
  4. "CHECK COOLANT LEVEL" 14 months after fluid change
  5. what does this code pertain to? pc0153 current
  6. i need help with my deville
  7. what is wrong with my 1996 deville
  8. Little green hoses
  9. DTS MODs?
  10. Trouble Codes and Car Shuddering
  11. EBTCM traction control module
  12. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  13. Read This, Need Help!!! Egr??? Fpr???
  14. 98 deville
  15. Eldo Mods? chip, exhaust, nos, ect.
  16. 3 more radiator queries
  17. 2 more radiator drain queries
  18. Transmission Pressuse Solenoid
  19. 95 Concours Put Barsleak in canister
  20. 96 Deville codes pco603 and pco717
  21. Reset codes?
  22. "Flush" coolant?
  23. ETCBM (traction control computer)
  24. 1996 DeVille Northstar
  25. Motor mount help needed!
  26. 1994 STS First Roadtrip Coolant Temp
  27. Break In Oil
  28. question about N* headgasket
  29. trans code
  30. No 4th gear...
  31. 02 sensor
  32. Northstar longevity! 323,000 miles!
  33. 95 Seville SLS Major Problems
  34. Found the SES P102 issue! Now A/C issue
  35. TPS and/or EGR needed?
  36. OBDII diagnostic codes
  37. P0102/B1009/U1301 and others HELP!!!
  38. Max throtle angle
  39. Throttle Position Sensor relearn
  40. Original or swapped N*
  41. New cdes!!!!
  42. 1995 Concours, Fuel injector size?
  43. Reading .Bins from proms?
  44. Coolant changed to green... problem?
  45. Northstar Rebuild --- Chime In, I have questions...
  46. Preventive Maintenance While Engines Out
  47. burn out? burn not.
  48. Removing Heli-coils
  49. DIC items???
  50. cost?
  51. Oil Cooler Lines
  52. Smell Coolant but from what?
  53. VIN and Performance Questions
  54. Small coolant leak
  55. check engine soon
  56. 1994 Northstar Swap
  57. Bbob, Purging/exchanging tranny fluid
  58. Rough running 2000 Seville
  59. northstar motor swap
  60. oil pan gasket change
  61. 4T80E hard shift
  62. black box under car????
  63. 93 eldorado
  64. 1987 Deville Stereo Question, Please help?
  65. Fuel Injector
  66. Car jerking in 3rd gear
  67. 98 Northstar Motor Whistle
  68. Head Bolts, fixed by what year?
  69. Good repair shop in DC/MD/VA area
  70. 2001 Cracked block??
  71. rough idle at start-up
  72. Chronic miss in 4.6L Northstar
  73. Engine Cold/Knock/Tick Noise (Replace Pistons)
  74. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  75. Performance Upgrades?
  76. 02 sensor
  77. service eng light when heat turned on
  78. Won't start - Inconsistent compression
  79. L37 vs LD8, actual differences?
  80. Need Help Please!!!
  81. High charging voltage, stumped?
  82. No start on cold days?
  83. Dealer Diagnosis - $3000 BS??
  84. has anyone had a problem with 98 sls dieing at a low idle?
  85. ABS - Traction Control
  86. help with codes please
  87. High performance ignition?
  88. Northstar Performance Enhacements?
  89. Power LOSS
  90. Has anybody done a S/C northstar yet?
  91. PCM P1153: 02 Sensor Insufficient Switching, PLEASE HELP
  92. Traction Control Problem
  93. Bobbyinski -- Northstar failure
  94. Cold Engine Misfire
  95. DTCs from my flood car - help with diagnosis
  96. PCM code????
  97. how to pull dic codes?
  98. Dealer Installed Timesert Question
  99. 99 deville sounds/runs awful
  100. Oil pan gasket
  101. n.star water pump removal & install how-to
  102. Thinking of buying a Snap-On MT2500, any thoughts?
  103. Crankcase scrap rate.
  104. what years are compatible with my 93 STS?
  105. Aaaaagh! I should'v know better,
  106. Headlights wont cut off
  107. 2000+ engine in 1998 possible maybe?
  108. Service Engine Light Codes...Please Help
  109. Severe lack of performance
  110. Chk Emmisions/Chk Engine/Rough/Smelly
  111. code tc 0073 ?
  112. Leaking Radiator fixed
  113. RPM Surge at startup
  114. Engine Running Hot..239 at shut off
  115. 2000 deville clicking noise
  116. 1994 sts Idles @ 2-3 thousand RPM
  117. engine dies frequently-pc0231 the problem?
  118. Is this head gasket, or ? ? ?
  119. 94 Eldorado rough at slow speeds
  120. Particulars of VVT?
  121. Rough idle on cold start-up
  122. 5 reasons I LOVE my '94 n* DeVille
  123. Check Coolant Level after Water Pump R/R
  124. Engine Temperature
  125. MAT sensor, MAP sensor....
  126. Problems After Head Gasket Replacement...
  127. 98 Eldo running rough
  128. weight of the 4.6 northstar
  129. Computer programmer
  130. bent #1 con-rod 4.6 N* no signs!!?
  131. Oil leak?
  132. Thermostat sticking open?
  133. Volant Air Intake?
  134. Please Help With Problem On My Deville
  135. My new caddy...
  136. 4.6 litre dual turbo Northstar project, engine only?
  137. Oil pressure problem
  138. waterpump in a 98 Deville
  139. 93 STS Crank Position Sensors
  140. I need info!!!!
  141. high rpm northstar
  142. Misfire and SES light
  143. codes
  144. Rev Limiter in Park and Neutral??
  145. On Board diag?
  146. ? for Bbob re: engine designations
  147. Whats YOUR winter project?
  148. STS High Idle
  149. oil level message
  150. New member
  151. traction control light
  152. Engine "missing" during acceleration
  153. Vibration
  154. Repair cost
  155. Original v. New plug wires
  156. 94 Eldo Northstar No Spark - Why?
  157. Why is the left bank now the right bank?
  158. 1994 Northstar noise
  159. Question about Corsa exhaust
  160. Dont change my ATF???? Please Help!!!!
  161. "NEW" Northstar?
  162. 97 DeVille oil leak
  163. Cabin air filter
  164. Top Speed Reached - Fuel Pump Shutoff at 105mph?
  165. Northstar ?s
  166. Spark Plugs
  167. Head Gasket Problem
  168. concours will not crank in cold weather
  169. ShortStar 3.5L oil usage
  170. Dealer Fuel Injection and Carbon Treatment
  171. AC-Delco part vs Cadillac
  172. Transmission Q? What would you do.
  173. Northstar CAD drawings ???
  174. Please Help with Instructions to Replace radiator
  175. Anybody notice? Bbob - not driving a Caddy?!
  176. Got codes P0201 P0204 P0206 P0207 P0300
  177. Is around town driving in 3rd OK?
  178. Fuel In Intake Manifold
  179. Aftermarker engine computers
  180. Need oversize timesert kit
  181. Timesert Process and Cost
  182. Water pump changed, still leaking coolant !!
  183. Running rough, really baffled
  184. Code P0420
  185. PCM Overrides?
  186. 97 concours service engine soon no codes
  187. Help
  188. Idle speed control actuator (motor)
  189. want more power!
  190. my return,enter 1994 cadillac STS (callista II)
  191. Bolt size to put on engine stand
  192. some code questions
  193. 95 seville code P039
  194. arcing at 7/8 coil???
  195. Failing fuel pump...
  196. oil under the intake
  197. Little update on my progress
  198. Very odd smell ???
  199. EGR cleaning
  200. Weird problem... or maybe not.
  201. Northstar Maf Table...i Need
  202. Time used to install twenty head-bolt time-serts
  203. Exhaust Sounds and vid
  204. temp display revisited....
  205. 96 Deville Need Help! Code P0171
  206. Shorted Fuel Pump (Reply to bbobynski)
  207. How to pull codes on OBD2 SLS Seville?
  208. Does anyone have a link for OBD2 Code Explanations?
  209. It Lives! (again)
  210. No problems with my N*, how bout you?
  211. Weird DTC message...?
  212. Water pump tool
  213. 4T80E or 4T60E
  214. 4T60E Trans............
  215. Bbob, question about a P0300
  216. Water Pump Tensioner Question??
  217. Please Help My Caddy
  218. Loud Valve Tapping 2002 Sts
  219. new crankshaft but........
  220. What is a timesert?
  221. Squealing pulley?
  222. Water Pump Change /Coolant Supplement Question
  223. Deville oil leak
  224. I increased gas milage
  225. 1996 Deville dead after hitting rock
  226. were can i buy water resourvoir
  227. motor mounts
  228. pulley problem
  229. very good find
  230. Strange Knocking. '98 STS
  231. Spark Plugs, Interesting observation
  232. '97 STS coolant temp - what SHOULD it be?
  233. Oil low pressure on 1996 4.5L Northstar
  234. electrical trouble
  235. 98 deville please help northstar lover with 3 problems
  236. Crank position sensors
  237. Codes - P0171 & P0174 96 STS
  238. Code listing for 94 Eldorado
  239. Uneven torque on main bolts?
  240. Where is the oil level sensor located?
  241. Hard starting.
  242. Torque Converter Operating @ 422 Deg. Celcius?
  243. 95 SLS - 2 Fuel Filters????
  244. 95 Sls Service Engine Light
  245. Transmission Input Speed Sensor need help??
  246. 94 Eldorado engine revs at stops
  247. Slight Coolant Smell....
  248. Towing Airstream trailer with '94 N*
  249. Backfiring through intake causes????
  250. flashing check engine.. shakey idle - 96 sts