: Northstar Engines and System Technical Discussion



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