: Northstar Engines and System Technical Discussion



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  1. In need of expertise
  2. SC44 and SC55
  3. why are the northstar engines always catching on fire?
  4. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  5. 4.9L NorthStar Performance Upgrades???
  6. Need new/rebuilt '96 Seville engine
  7. 100K warranty
  8. Noise from PS pump.
  9. Wanted!! '00+ rear tranny mount
  10. PO 441 error
  11. Help!!
  12. Rubber gone in the top motor mounts
  13. Stop Engine Low oil pressure
  14. Help with fixing a broken shift solenoid
  15. Tranny detent cable question
  16. po29????
  17. '96 STS Engine Stalling - Possible Electrical Problem?
  18. It's time to tear into her!!
  19. Codes PC0300, PC1139, PZ2719
  20. Crack my Block!!!!!!
  21. "Y" code vs. "9" Code
  22. Northstar 97 sls was hard 2 start--now no start
  23. 1997 Seville STS - Oil Leak Problems?
  24. 130k gaskets vs. 88k transplant
  25. Unlimited funds....almost
  26. Service Emissions System
  27. air plenum and coolant...
  28. error codes p0113 &503
  29. Computer codes and more help wanted
  30. coolant and A/C fans broken blades & mounting arms
  31. 1996 Sedan Deville Knock Sensor
  32. Newbie needs help
  33. frozen serpentine belt tensioner
  34. New Northstar, Unleaded or Premium?
  35. Want to buy northstar coils...
  36. Northstar indicates overheat
  37. BBOB - North* Oil Usage Comment
  38. Bad Cylinder?? Low compression?? Need help.
  39. Steam Engine, Now What?
  40. Zero Oil Pressure!! HELP!!
  41. INtake Manifold
  42. N*, Gas drowning my cylinder, getting smoke
  43. 2 Trans oil purge questions...or more?
  44. Erratic Throttle
  45. Strange Readings 1994 Deville Concourse N*
  46. What would a gas coating on a plug mean?
  47. BBOB - thermostat?
  48. Steam from Tail Pipe?
  49. exhaust questions
  50. water pump tool
  51. Cluster Question - Low Oil Pressure
  52. Limp home mode?
  53. Flowmasters?
  54. Flexplate to Torque converter - loctite??
  55. "Check Oil Level" message question
  56. hole in aluminum Radiator - help wanted
  57. Help Eldo Completely Dead But Batt.has Voltage
  58. Rough Idle...Sluggish Acceleration....
  59. Trouble codes
  60. P0741 - TCC System Stuck Off ???
  61. Clueless N* owners with 4 codes
  62. A P059 code?
  63. Longevity of the N* timing chain nylon tensioner pads ?
  64. What type of Power Steering fluid to use in 93 N* Eldo ?
  65. Limp Home Feature?
  66. Last pressure test update - hopefully!!!
  67. How important (really) is an oil cooler?
  68. Cascading multi-module failure-BBOB?
  69. Hesitation when a/c is on?
  70. PCV valve location 2003 Deville
  71. 4T80E Trans neutraling out in Drive/OD
  72. P 028 code AND overheating?
  73. 96 Deville Waterpump belt removal
  74. Is my car misfiring?
  75. Misfire Woes
  76. Another pressure test update
  77. Can dex-cool replace green anti-f?
  78. more head gasket headaches
  79. Egr
  80. More pressure test questions
  81. Nice job on headbolt quality control
  82. 4.0 to 4.6 swap ?
  83. BBOB - did the press test/overheating/????
  84. Timesert kit needed
  85. Tapping Lifters at start
  86. Northstar Gasket Replacement $?
  87. coil packs on 93 ETC?
  88. Eating Oil.......
  89. Eror code p0153
  90. ac only blows worm air
  91. air intake pro's & cons
  92. Brand new N*...
  93. 1997 Seville - Tranny
  94. Head gasket progress/ performance?
  95. Bbob - Tranny Oil Cooler Line Quest.
  96. Eldo idle and low speed running ODD- HELP!
  97. 93 Northstar using 5w-30 ?
  98. Cleaning Engine
  99. when do the fans come on?
  100. Fun with lifters
  101. How badly stripped was your block?
  102. 96 cadillac deville troubles !!!!
  103. Starting Problems- 95 SLS
  104. Fuel Consumption-Tornado Fuel Saver
  105. my s/c 98 sts wow
  106. MSD DIS-4 and/or Interface modules??
  107. Any info on shift improvement kit for 4T80E?
  108. Need a time-sert kit!
  109. Intermittent VSS!!
  110. Lots of exhaust smoke-95 SLS
  111. Who actually designed the Northstar what's his name?
  112. Do N* heads crack EVER?
  113. New Exhaust
  114. Head Studs?
  115. Removing pully?
  116. White "burned" spark plugs?
  117. What Oil?
  118. Variable Valve Northstar question
  119. HELP!! '96 Deville Starting Problem
  120. Nitrous Wet Or Dry???
  121. Help! 94 Concors
  122. !996 Cadillac Deville Exhaust Smoke Problem
  123. RPM steadily increasing (93 N*)
  124. starter
  125. Opinions on head gaskets vs. engine swap?
  126. Water pump 'sound'?
  127. 10% alcohol fuel...bad news
  128. Needed ASAP:Fuel pump replacement for 1996 Deville
  129. Post Tune-Up questions
  130. Half case leak check
  131. o2 Sensor Help
  132. Throttle Body?- 95 SLS
  133. HELP! 5-6 sec. Cold Starts
  134. My car is about to get sold.
  135. Advice on engine miss and motor mount
  136. 1996 Eldorado ETC overheating.
  137. Spark Plug question for N*
  138. 92 cadillac deville won't start
  139. Timecerts pulled out !
  140. Fuel rail recall expanded
  141. 97 overheating update/helms/questions
  142. Identifing a part (1993 STS - N*)
  143. Dealer Says I Need A New Engine: PLEASE HELP
  144. P0441 Whats this caused by?
  145. Leaking Head gasket cause miss at idle?
  146. from active 2 passive shocks
  147. Water pump belt
  148. Throttle Body Question
  149. need trouble code definitions
  150. Dtc P0503 1520 And Transmission Slip
  151. My 97 Deville is hard to start only when cold
  152. Fuel Gauge Damage by High Sulphur Content
  153. Aurora specs-parts?
  154. Coolant type HELP!!!!
  155. Sources for water pump pulley puller/installer
  156. Stupid muffler question!!!
  157. Differences between the VIN 9 and Y
  158. Northstar overheating
  159. Performance mufflers reliability
  160. Oil pressure sensor on Northstar
  161. How many miles on your N*?
  162. Mobil 1 Now Required ??
  163. is the northstar junk?
  164. 98 STS Staled Out! and wont start.
  165. North* pros and cons?
  166. STS Engine installed IMPECCABLE JOB!!!
  167. Thanks on the 97 overheating
  168. Towing with a STS...
  169. 97 eldo missfiring
  170. North* oil pan removal ELDO ETC
  171. Throttle Body
  172. Northsatr question (years)
  173. 1999 Caddy stalls while driving
  174. Misfire and P046
  175. 94' SLS oil leak?
  176. 02 Deville keeps dying...please help!
  177. radiator replacement
  178. PCM code p039
  179. 97 ETC overheating questions
  180. Bars Leak "Oil additive" not Coolant!!
  181. WTF? Intake Manifold Noise?
  182. Northstar main cap bolts
  183. 2002 Deville poor gas mileage
  184. best repair manual for 97 eldo
  185. who fixes your caddy?
  186. plug wires 97 etc
  187. N* Summer Maintenence
  188. transaxle shift relays?
  189. northstar as a plane engine?
  190. How does the PCM know what gear it's in?
  191. Screwed up water pump
  192. Head gasket price/strategy?
  193. TCC stuck OFF
  194. waterpump
  195. 97 ETC overheating
  196. Changing Coolant and the Right Number of Tablets
  197. Shh, it happened! then starting with 2 simple questions...
  198. Mid-grade fuel?
  199. North* easy tune up
  200. more top end speed
  201. My New 94 Eldorado
  202. Starts fine when cold, hesitates when warm...
  203. Northstar using unleaded fuel?
  204. It's Alive again
  205. Need water pump help ASAP!!
  206. Changing final gear ratio
  207. Changing '96 head gaskets....What else?
  208. Problem with RSS
  209. fuel pump pressure
  210. No heat inside the car
  211. Engine Coolant Change out
  212. Coolant question, 4.6 northstar
  213. Intake/Fuel Problem?
  214. Galloping Goose
  215. Engine Mountings 98 STS
  216. Which Brand Spark Plug is the best for 98 Deville?
  217. Redrilled cam sprockets vs aftermarket cams
  218. Dyno2000 Northstar File
  219. Procedure for removing and replacing heater core
  220. Pcm?
  221. Baffle Plat.. Bad design in older N*
  222. Motor Mounts for 97 sts
  223. N* & Mityvac Fluid Evacuator?
  224. Attn Phil!!!!
  225. north swap
  226. Mods for my 93 STS????
  227. Need to know ASAP: # of bellhousing bolts
  228. Gray exhaust smoke - '96 SLS
  229. '94 Northstar Rebuild--Need Specs.. Help?
  230. Mounts and Shocks
  231. Oil Consumption with the Northstar - any problems?
  232. Bonneville GPX/Northstar
  233. Question on switching from Premium to Ethanol Blended gas
  234. Cold driveability problem - '96 SLS LD8 128K
  235. 120 Mph Speed Limit??????
  236. Thoughts on "Royal Purple" oil ?
  237. Better mileage on regular?!?
  238. 112 mph limiter
  239. Air Filter box - more air???
  240. is WOT mandatory for a deville 2000
  241. Specified Northstar Max RPM Vs. Actual on Tach
  242. Coolant Capacity for 97 DeVille?
  243. Check out the codes in my 97 Deville... what do they mean ?
  244. Fleetwood Fuel Pump
  245. Engine Locked Up!!!!!!!!!!!! Neeed Help!!!!....please
  246. It's Aliiive! *evil cackle*
  247. Bad Fuel Pressure regulator ?
  248. 96 Eldo overheating
  249. trans/motor mounts
  250. Help with Intake cover & gasket