: Northstar Engines and System Technical Discussion



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