: Northstar Engines and System Technical Discussion



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