: Northstar Engines and System Technical Discussion



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