: Northstar Engines and System Technical Discussion



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