: Northstar Engines and System Technical Discussion



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