: Northstar Engines and System Technical Discussion



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  1. cold start/warm start
  2. 1994 SLS 4.6 Oil Pressure Switch Woes
  3. Colours
  4. Odd Tune Up Question
  5. P0741 TCC stuck off
  6. Pre 2000 Northstars
  7. ShadowLvr400
  8. Replace transaxle seals or not?
  9. Vacuum line routing?
  10. Bobynski!
  11. need rebuilt short block-Northstar
  12. aftermarket CPU ???
  13. 2001 deville go fast parts ???
  14. EGR Pintle Stuck????
  15. High Temps?
  16. Gear Shift Position Indicator 1994 STS
  17. Misfire/hesitation
  18. Race day mods?
  19. 97 Sedan Deville oil change
  20. motor idles eratically at start and then dies
  21. Low Oil Pressure 1994 SLS 4.6 144k
  22. Right or left, Help Please!!!
  23. Need Code Info
  24. 1996 sts need help won't start
  25. Engine crud @ head gasket repair
  26. One fan or two?
  27. Failed emissions....plugs and wires...?
  28. General Questoin
  29. Overheating --- Still!!!!!!!!
  30. What are these trouble codes? Help!
  31. AAARRRGHHH...Where's the #$@#) switch?!?!
  32. Help! Dealer wants $$ for recall fuel rail!
  33. Very Long, EBTCM
  34. Northstar Maintenance -Tune Up
  35. K&N filters
  36. Check engine soon ! Why ?
  37. Waterpump reliability
  38. No one can figure it out!!! Help!!!
  39. In need of expertise
  40. SC44 and SC55
  41. why are the northstar engines always catching on fire?
  42. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  43. 4.9L NorthStar Performance Upgrades???
  44. Need new/rebuilt '96 Seville engine
  45. 100K warranty
  46. Noise from PS pump.
  47. Wanted!! '00+ rear tranny mount
  48. PO 441 error
  49. Help!!
  50. Rubber gone in the top motor mounts
  51. Stop Engine Low oil pressure
  52. Help with fixing a broken shift solenoid
  53. Tranny detent cable question
  54. po29????
  55. '96 STS Engine Stalling - Possible Electrical Problem?
  56. It's time to tear into her!!
  57. Codes PC0300, PC1139, PZ2719
  58. Crack my Block!!!!!!
  59. "Y" code vs. "9" Code
  60. Northstar 97 sls was hard 2 start--now no start
  61. 1997 Seville STS - Oil Leak Problems?
  62. 130k gaskets vs. 88k transplant
  63. Unlimited funds....almost
  64. Service Emissions System
  65. air plenum and coolant...
  66. error codes p0113 &503
  67. Computer codes and more help wanted
  68. coolant and A/C fans broken blades & mounting arms
  69. 1996 Sedan Deville Knock Sensor
  70. Newbie needs help
  71. frozen serpentine belt tensioner
  72. New Northstar, Unleaded or Premium?
  73. Want to buy northstar coils...
  74. Northstar indicates overheat
  75. BBOB - North* Oil Usage Comment
  76. Bad Cylinder?? Low compression?? Need help.
  77. Steam Engine, Now What?
  78. Zero Oil Pressure!! HELP!!
  79. INtake Manifold
  80. N*, Gas drowning my cylinder, getting smoke
  81. 2 Trans oil purge questions...or more?
  82. Erratic Throttle
  83. Strange Readings 1994 Deville Concourse N*
  84. What would a gas coating on a plug mean?
  85. BBOB - thermostat?
  86. Steam from Tail Pipe?
  87. exhaust questions
  88. water pump tool
  89. Cluster Question - Low Oil Pressure
  90. Limp home mode?
  91. Flowmasters?
  92. Flexplate to Torque converter - loctite??
  93. "Check Oil Level" message question
  94. hole in aluminum Radiator - help wanted
  95. Help Eldo Completely Dead But Batt.has Voltage
  96. Rough Idle...Sluggish Acceleration....
  97. Trouble codes
  98. P0741 - TCC System Stuck Off ???
  99. Clueless N* owners with 4 codes
  100. A P059 code?
  101. Longevity of the N* timing chain nylon tensioner pads ?
  102. What type of Power Steering fluid to use in 93 N* Eldo ?
  103. Limp Home Feature?
  104. Last pressure test update - hopefully!!!
  105. How important (really) is an oil cooler?
  106. Cascading multi-module failure-BBOB?
  107. Hesitation when a/c is on?
  108. PCV valve location 2003 Deville
  109. 4T80E Trans neutraling out in Drive/OD
  110. P 028 code AND overheating?
  111. 96 Deville Waterpump belt removal
  112. Is my car misfiring?
  113. Misfire Woes
  114. Another pressure test update
  115. Can dex-cool replace green anti-f?
  116. more head gasket headaches
  117. Egr
  118. More pressure test questions
  119. Nice job on headbolt quality control
  120. 4.0 to 4.6 swap ?
  121. BBOB - did the press test/overheating/????
  122. Timesert kit needed
  123. Tapping Lifters at start
  124. Northstar Gasket Replacement $?
  125. coil packs on 93 ETC?
  126. Eating Oil.......
  127. Eror code p0153
  128. ac only blows worm air
  129. air intake pro's & cons
  130. Brand new N*...
  131. 1997 Seville - Tranny
  132. Head gasket progress/ performance?
  133. Bbob - Tranny Oil Cooler Line Quest.
  134. Eldo idle and low speed running ODD- HELP!
  135. 93 Northstar using 5w-30 ?
  136. Cleaning Engine
  137. when do the fans come on?
  138. Fun with lifters
  139. How badly stripped was your block?
  140. 96 cadillac deville troubles !!!!
  141. Starting Problems- 95 SLS
  142. Fuel Consumption-Tornado Fuel Saver
  143. my s/c 98 sts wow
  144. MSD DIS-4 and/or Interface modules??
  145. Any info on shift improvement kit for 4T80E?
  146. Need a time-sert kit!
  147. Intermittent VSS!!
  148. Lots of exhaust smoke-95 SLS
  149. Who actually designed the Northstar what's his name?
  150. Do N* heads crack EVER?
  151. New Exhaust
  152. Head Studs?
  153. Removing pully?
  154. White "burned" spark plugs?
  155. What Oil?
  156. Variable Valve Northstar question
  157. HELP!! '96 Deville Starting Problem
  158. Nitrous Wet Or Dry???
  159. Help! 94 Concors
  160. !996 Cadillac Deville Exhaust Smoke Problem
  161. RPM steadily increasing (93 N*)
  162. starter
  163. Opinions on head gaskets vs. engine swap?
  164. Water pump 'sound'?
  165. 10% alcohol fuel...bad news
  166. Needed ASAP:Fuel pump replacement for 1996 Deville
  167. Post Tune-Up questions
  168. Half case leak check
  169. o2 Sensor Help
  170. Throttle Body?- 95 SLS
  171. HELP! 5-6 sec. Cold Starts
  172. My car is about to get sold.
  173. Advice on engine miss and motor mount
  174. 1996 Eldorado ETC overheating.
  175. Spark Plug question for N*
  176. 92 cadillac deville won't start
  177. Timecerts pulled out !
  178. Fuel rail recall expanded
  179. 97 overheating update/helms/questions
  180. Identifing a part (1993 STS - N*)
  181. Dealer Says I Need A New Engine: PLEASE HELP
  182. P0441 Whats this caused by?
  183. Leaking Head gasket cause miss at idle?
  184. from active 2 passive shocks
  185. Water pump belt
  186. Throttle Body Question
  187. need trouble code definitions
  188. Dtc P0503 1520 And Transmission Slip
  189. My 97 Deville is hard to start only when cold
  190. Fuel Gauge Damage by High Sulphur Content
  191. Aurora specs-parts?
  192. Coolant type HELP!!!!
  193. Sources for water pump pulley puller/installer
  194. Stupid muffler question!!!
  195. Differences between the VIN 9 and Y
  196. Northstar overheating
  197. Performance mufflers reliability
  198. Oil pressure sensor on Northstar
  199. How many miles on your N*?
  200. Mobil 1 Now Required ??
  201. is the northstar junk?
  202. 98 STS Staled Out! and wont start.
  203. North* pros and cons?
  204. STS Engine installed IMPECCABLE JOB!!!
  205. Thanks on the 97 overheating
  206. Towing with a STS...
  207. 97 eldo missfiring
  208. North* oil pan removal ELDO ETC
  209. Throttle Body
  210. Northsatr question (years)
  211. 1999 Caddy stalls while driving
  212. Misfire and P046
  213. 94' SLS oil leak?
  214. 02 Deville keeps dying...please help!
  215. radiator replacement
  216. PCM code p039
  217. 97 ETC overheating questions
  218. Bars Leak "Oil additive" not Coolant!!
  219. WTF? Intake Manifold Noise?
  220. Northstar main cap bolts
  221. 2002 Deville poor gas mileage
  222. best repair manual for 97 eldo
  223. who fixes your caddy?
  224. plug wires 97 etc
  225. N* Summer Maintenence
  226. transaxle shift relays?
  227. northstar as a plane engine?
  228. How does the PCM know what gear it's in?
  229. Screwed up water pump
  230. Head gasket price/strategy?
  231. TCC stuck OFF
  232. waterpump
  233. 97 ETC overheating
  234. Changing Coolant and the Right Number of Tablets
  235. Shh, it happened! then starting with 2 simple questions...
  236. Mid-grade fuel?
  237. North* easy tune up
  238. more top end speed
  239. My New 94 Eldorado
  240. Starts fine when cold, hesitates when warm...
  241. Northstar using unleaded fuel?
  242. It's Alive again
  243. Need water pump help ASAP!!
  244. Changing final gear ratio
  245. Changing '96 head gaskets....What else?
  246. Problem with RSS
  247. fuel pump pressure
  248. No heat inside the car
  249. Engine Coolant Change out
  250. Coolant question, 4.6 northstar