: Northstar Engines and System Technical Discussion



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