: Northstar Engines and System Technical Discussion



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  1. need help
  2. 2000 Dts 60k Service?!?!?
  3. Revised Emissions Woes
  4. Any GM/Cadillac certified mechanics on board? PLEASE HELP
  5. Chip for Eldo 95 LE
  6. 97 SLS Stalls Only On Hot Days
  7. Throttle body cleaning question
  8. Oil Pan Gasket Change
  9. Who agrees that the Northstar is due for an overhaul by Cadillac?
  10. High Speed fan switch not working/working well
  11. 94 concours has no warning info messages!!!!
  12. Reasons for a/c compressor inop ?
  13. Q. for anyone who knows re: FWD N* - Why Transverse?
  14. 93 seville driving on its own
  15. engine temp?
  16. Down To The Wire: last minute thoughts please
  17. where are the 25 horses
  18. North * reliability?
  19. "Induction Performance Service"?
  20. How do I know if I need the computer updated?
  21. Oil Pressure Drop
  22. ? for those with aftermarket intakes
  23. Coolant Overflow
  24. gunning cadillacs...is it worth it?
  25. 96 Eldorado heating up...
  26. 1994 Eldorado 4.6L Tapping Noise
  27. Cooling Temps.
  28. Hard shift outta 1st
  29. "Weeping" Head Gasket
  30. Obd1
  31. Help With Code 39 Tcc Off
  32. Idle Problems
  33. squeak on 97 deville
  34. crate 2000 Northstar in a 59 Chevy Suburban
  35. cold start/warm start
  36. 1994 SLS 4.6 Oil Pressure Switch Woes
  37. Colours
  38. Odd Tune Up Question
  39. P0741 TCC stuck off
  40. Pre 2000 Northstars
  41. ShadowLvr400
  42. Replace transaxle seals or not?
  43. Vacuum line routing?
  44. Bobynski!
  45. need rebuilt short block-Northstar
  46. aftermarket CPU ???
  47. 2001 deville go fast parts ???
  48. EGR Pintle Stuck????
  49. High Temps?
  50. Gear Shift Position Indicator 1994 STS
  51. Misfire/hesitation
  52. Race day mods?
  53. 97 Sedan Deville oil change
  54. motor idles eratically at start and then dies
  55. Low Oil Pressure 1994 SLS 4.6 144k
  56. Right or left, Help Please!!!
  57. Need Code Info
  58. 1996 sts need help won't start
  59. Engine crud @ head gasket repair
  60. One fan or two?
  61. Failed emissions....plugs and wires...?
  62. General Questoin
  63. Overheating --- Still!!!!!!!!
  64. What are these trouble codes? Help!
  65. AAARRRGHHH...Where's the #$@#) switch?!?!
  66. Help! Dealer wants $$ for recall fuel rail!
  67. Very Long, EBTCM
  68. Northstar Maintenance -Tune Up
  69. K&N filters
  70. Check engine soon ! Why ?
  71. Waterpump reliability
  72. No one can figure it out!!! Help!!!
  73. In need of expertise
  74. SC44 and SC55
  75. why are the northstar engines always catching on fire?
  76. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  77. 4.9L NorthStar Performance Upgrades???
  78. Need new/rebuilt '96 Seville engine
  79. 100K warranty
  80. Noise from PS pump.
  81. Wanted!! '00+ rear tranny mount
  82. PO 441 error
  83. Help!!
  84. Rubber gone in the top motor mounts
  85. Stop Engine Low oil pressure
  86. Help with fixing a broken shift solenoid
  87. Tranny detent cable question
  88. po29????
  89. '96 STS Engine Stalling - Possible Electrical Problem?
  90. It's time to tear into her!!
  91. Codes PC0300, PC1139, PZ2719
  92. Crack my Block!!!!!!
  93. "Y" code vs. "9" Code
  94. Northstar 97 sls was hard 2 start--now no start
  95. 1997 Seville STS - Oil Leak Problems?
  96. 130k gaskets vs. 88k transplant
  97. Unlimited funds....almost
  98. Service Emissions System
  99. air plenum and coolant...
  100. error codes p0113 &503
  101. Computer codes and more help wanted
  102. coolant and A/C fans broken blades & mounting arms
  103. 1996 Sedan Deville Knock Sensor
  104. Newbie needs help
  105. frozen serpentine belt tensioner
  106. New Northstar, Unleaded or Premium?
  107. Want to buy northstar coils...
  108. Northstar indicates overheat
  109. BBOB - North* Oil Usage Comment
  110. Bad Cylinder?? Low compression?? Need help.
  111. Steam Engine, Now What?
  112. Zero Oil Pressure!! HELP!!
  113. INtake Manifold
  114. N*, Gas drowning my cylinder, getting smoke
  115. 2 Trans oil purge questions...or more?
  116. Erratic Throttle
  117. Strange Readings 1994 Deville Concourse N*
  118. What would a gas coating on a plug mean?
  119. BBOB - thermostat?
  120. Steam from Tail Pipe?
  121. exhaust questions
  122. water pump tool
  123. Cluster Question - Low Oil Pressure
  124. Limp home mode?
  125. Flowmasters?
  126. Flexplate to Torque converter - loctite??
  127. "Check Oil Level" message question
  128. hole in aluminum Radiator - help wanted
  129. Help Eldo Completely Dead But Batt.has Voltage
  130. Rough Idle...Sluggish Acceleration....
  131. Trouble codes
  132. P0741 - TCC System Stuck Off ???
  133. Clueless N* owners with 4 codes
  134. A P059 code?
  135. Longevity of the N* timing chain nylon tensioner pads ?
  136. What type of Power Steering fluid to use in 93 N* Eldo ?
  137. Limp Home Feature?
  138. Last pressure test update - hopefully!!!
  139. How important (really) is an oil cooler?
  140. Cascading multi-module failure-BBOB?
  141. Hesitation when a/c is on?
  142. PCV valve location 2003 Deville
  143. 4T80E Trans neutraling out in Drive/OD
  144. P 028 code AND overheating?
  145. 96 Deville Waterpump belt removal
  146. Is my car misfiring?
  147. Misfire Woes
  148. Another pressure test update
  149. Can dex-cool replace green anti-f?
  150. more head gasket headaches
  151. Egr
  152. More pressure test questions
  153. Nice job on headbolt quality control
  154. 4.0 to 4.6 swap ?
  155. BBOB - did the press test/overheating/????
  156. Timesert kit needed
  157. Tapping Lifters at start
  158. Northstar Gasket Replacement $?
  159. coil packs on 93 ETC?
  160. Eating Oil.......
  161. Eror code p0153
  162. ac only blows worm air
  163. air intake pro's & cons
  164. Brand new N*...
  165. 1997 Seville - Tranny
  166. Head gasket progress/ performance?
  167. Bbob - Tranny Oil Cooler Line Quest.
  168. Eldo idle and low speed running ODD- HELP!
  169. 93 Northstar using 5w-30 ?
  170. Cleaning Engine
  171. when do the fans come on?
  172. Fun with lifters
  173. How badly stripped was your block?
  174. 96 cadillac deville troubles !!!!
  175. Starting Problems- 95 SLS
  176. Fuel Consumption-Tornado Fuel Saver
  177. my s/c 98 sts wow
  178. MSD DIS-4 and/or Interface modules??
  179. Any info on shift improvement kit for 4T80E?
  180. Need a time-sert kit!
  181. Intermittent VSS!!
  182. Lots of exhaust smoke-95 SLS
  183. Who actually designed the Northstar what's his name?
  184. Do N* heads crack EVER?
  185. New Exhaust
  186. Head Studs?
  187. Removing pully?
  188. White "burned" spark plugs?
  189. What Oil?
  190. Variable Valve Northstar question
  191. HELP!! '96 Deville Starting Problem
  192. Nitrous Wet Or Dry???
  193. Help! 94 Concors
  194. !996 Cadillac Deville Exhaust Smoke Problem
  195. RPM steadily increasing (93 N*)
  196. starter
  197. Opinions on head gaskets vs. engine swap?
  198. Water pump 'sound'?
  199. 10% alcohol fuel...bad news
  200. Needed ASAP:Fuel pump replacement for 1996 Deville
  201. Post Tune-Up questions
  202. Half case leak check
  203. o2 Sensor Help
  204. Throttle Body?- 95 SLS
  205. HELP! 5-6 sec. Cold Starts
  206. My car is about to get sold.
  207. Advice on engine miss and motor mount
  208. 1996 Eldorado ETC overheating.
  209. Spark Plug question for N*
  210. 92 cadillac deville won't start
  211. Timecerts pulled out !
  212. Fuel rail recall expanded
  213. 97 overheating update/helms/questions
  214. Identifing a part (1993 STS - N*)
  215. Dealer Says I Need A New Engine: PLEASE HELP
  216. P0441 Whats this caused by?
  217. Leaking Head gasket cause miss at idle?
  218. from active 2 passive shocks
  219. Water pump belt
  220. Throttle Body Question
  221. need trouble code definitions
  222. Dtc P0503 1520 And Transmission Slip
  223. My 97 Deville is hard to start only when cold
  224. Fuel Gauge Damage by High Sulphur Content
  225. Aurora specs-parts?
  226. Coolant type HELP!!!!
  227. Sources for water pump pulley puller/installer
  228. Stupid muffler question!!!
  229. Differences between the VIN 9 and Y
  230. Northstar overheating
  231. Performance mufflers reliability
  232. Oil pressure sensor on Northstar
  233. How many miles on your N*?
  234. Mobil 1 Now Required ??
  235. Is the Northstar junk?
  236. 98 STS Staled Out! and wont start.
  237. North* pros and cons?
  238. STS Engine installed IMPECCABLE JOB!!!
  239. Thanks on the 97 overheating
  240. Towing with a STS...
  241. 97 eldo missfiring
  242. North* oil pan removal ELDO ETC
  243. Throttle Body
  244. Northsatr question (years)
  245. 1999 Caddy stalls while driving
  246. Misfire and P046
  247. 94' SLS oil leak?
  248. 02 Deville keeps dying...please help!
  249. radiator replacement
  250. PCM code p039