: Northstar Engines and System Technical Discussion



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