: Northstar Engines and System Technical Discussion



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