: Northstar Engines and System Technical Discussion



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  1. Help Eldo Completely Dead But Batt.has Voltage
  2. Rough Idle...Sluggish Acceleration....
  3. Trouble codes
  4. P0741 - TCC System Stuck Off ???
  5. Clueless N* owners with 4 codes
  6. A P059 code?
  7. Longevity of the N* timing chain nylon tensioner pads ?
  8. What type of Power Steering fluid to use in 93 N* Eldo ?
  9. Limp Home Feature?
  10. Last pressure test update - hopefully!!!
  11. How important (really) is an oil cooler?
  12. Cascading multi-module failure-BBOB?
  13. Hesitation when a/c is on?
  14. PCV valve location 2003 Deville
  15. 4T80E Trans neutraling out in Drive/OD
  16. P 028 code AND overheating?
  17. 96 Deville Waterpump belt removal
  18. Is my car misfiring?
  19. Misfire Woes
  20. Another pressure test update
  21. Can dex-cool replace green anti-f?
  22. more head gasket headaches
  23. Egr
  24. More pressure test questions
  25. Nice job on headbolt quality control
  26. 4.0 to 4.6 swap ?
  27. BBOB - did the press test/overheating/????
  28. Timesert kit needed
  29. Tapping Lifters at start
  30. Northstar Gasket Replacement $?
  31. coil packs on 93 ETC?
  32. Eating Oil.......
  33. Eror code p0153
  34. ac only blows worm air
  35. air intake pro's & cons
  36. Brand new N*...
  37. 1997 Seville - Tranny
  38. Head gasket progress/ performance?
  39. Bbob - Tranny Oil Cooler Line Quest.
  40. Eldo idle and low speed running ODD- HELP!
  41. 93 Northstar using 5w-30 ?
  42. Cleaning Engine
  43. when do the fans come on?
  44. Fun with lifters
  45. How badly stripped was your block?
  46. 96 cadillac deville troubles !!!!
  47. Starting Problems- 95 SLS
  48. Fuel Consumption-Tornado Fuel Saver
  49. my s/c 98 sts wow
  50. MSD DIS-4 and/or Interface modules??
  51. Any info on shift improvement kit for 4T80E?
  52. Need a time-sert kit!
  53. Intermittent VSS!!
  54. Lots of exhaust smoke-95 SLS
  55. Who actually designed the Northstar what's his name?
  56. Do N* heads crack EVER?
  57. New Exhaust
  58. Head Studs?
  59. Removing pully?
  60. White "burned" spark plugs?
  61. What Oil?
  62. Variable Valve Northstar question
  63. HELP!! '96 Deville Starting Problem
  64. Nitrous Wet Or Dry???
  65. Help! 94 Concors
  66. !996 Cadillac Deville Exhaust Smoke Problem
  67. RPM steadily increasing (93 N*)
  68. starter
  69. Opinions on head gaskets vs. engine swap?
  70. Water pump 'sound'?
  71. 10% alcohol fuel...bad news
  72. Needed ASAP:Fuel pump replacement for 1996 Deville
  73. Post Tune-Up questions
  74. Half case leak check
  75. o2 Sensor Help
  76. Throttle Body?- 95 SLS
  77. HELP! 5-6 sec. Cold Starts
  78. My car is about to get sold.
  79. Advice on engine miss and motor mount
  80. 1996 Eldorado ETC overheating.
  81. Spark Plug question for N*
  82. 92 cadillac deville won't start
  83. Timecerts pulled out !
  84. Fuel rail recall expanded
  85. 97 overheating update/helms/questions
  86. Identifing a part (1993 STS - N*)
  87. Dealer Says I Need A New Engine: PLEASE HELP
  88. P0441 Whats this caused by?
  89. Leaking Head gasket cause miss at idle?
  90. from active 2 passive shocks
  91. Water pump belt
  92. Throttle Body Question
  93. need trouble code definitions
  94. Dtc P0503 1520 And Transmission Slip
  95. My 97 Deville is hard to start only when cold
  96. Fuel Gauge Damage by High Sulphur Content
  97. Aurora specs-parts?
  98. Coolant type HELP!!!!
  99. Sources for water pump pulley puller/installer
  100. Stupid muffler question!!!
  101. Differences between the VIN 9 and Y
  102. Northstar overheating
  103. Performance mufflers reliability
  104. Oil pressure sensor on Northstar
  105. How many miles on your N*?
  106. Mobil 1 Now Required ??
  107. Is the Northstar junk?
  108. 98 STS Staled Out! and wont start.
  109. North* pros and cons?
  110. STS Engine installed IMPECCABLE JOB!!!
  111. Thanks on the 97 overheating
  112. Towing with a STS...
  113. 97 eldo missfiring
  114. North* oil pan removal ELDO ETC
  115. Throttle Body
  116. Northsatr question (years)
  117. 1999 Caddy stalls while driving
  118. Misfire and P046
  119. 94' SLS oil leak?
  120. 02 Deville keeps dying...please help!
  121. radiator replacement
  122. PCM code p039
  123. 97 ETC overheating questions
  124. Bars Leak "Oil additive" not Coolant!!
  125. WTF? Intake Manifold Noise?
  126. Northstar main cap bolts
  127. 2002 Deville poor gas mileage
  128. best repair manual for 97 eldo
  129. who fixes your caddy?
  130. plug wires 97 etc
  131. N* Summer Maintenence
  132. transaxle shift relays?
  133. northstar as a plane engine?
  134. How does the PCM know what gear it's in?
  135. Screwed up water pump
  136. Head gasket price/strategy?
  137. TCC stuck OFF
  138. waterpump
  139. 97 ETC overheating
  140. Changing Coolant and the Right Number of Tablets
  141. Shh, it happened! then starting with 2 simple questions...
  142. Mid-grade fuel?
  143. North* easy tune up
  144. more top end speed
  145. My New 94 Eldorado
  146. Starts fine when cold, hesitates when warm...
  147. Northstar using unleaded fuel?
  148. It's Alive again
  149. Need water pump help ASAP!!
  150. Changing final gear ratio
  151. Changing '96 head gaskets....What else?
  152. Problem with RSS
  153. fuel pump pressure
  154. No heat inside the car
  155. Engine Coolant Change out
  156. Coolant question, 4.6 northstar
  157. Intake/Fuel Problem?
  158. Galloping Goose
  159. Engine Mountings 98 STS
  160. Which Brand Spark Plug is the best for 98 Deville?
  161. Redrilled cam sprockets vs aftermarket cams
  162. Dyno2000 Northstar File
  163. Procedure for removing and replacing heater core
  164. Pcm?
  165. Baffle Plat.. Bad design in older N*
  166. Motor Mounts for 97 sts
  167. N* & Mityvac Fluid Evacuator?
  168. Attn Phil!!!!
  169. north swap
  170. Mods for my 93 STS????
  171. Need to know ASAP: # of bellhousing bolts
  172. Gray exhaust smoke - '96 SLS
  173. '94 Northstar Rebuild--Need Specs.. Help?
  174. Mounts and Shocks
  175. Oil Consumption with the Northstar - any problems?
  176. Bonneville GPX/Northstar
  177. Question on switching from Premium to Ethanol Blended gas
  178. Cold driveability problem - '96 SLS LD8 128K
  179. 120 Mph Speed Limit??????
  180. Thoughts on "Royal Purple" oil ?
  181. Better mileage on regular?!?
  182. 112 mph limiter
  183. Air Filter box - more air???
  184. is WOT mandatory for a deville 2000
  185. Specified Northstar Max RPM Vs. Actual on Tach
  186. Coolant Capacity for 97 DeVille?
  187. Check out the codes in my 97 Deville... what do they mean ?
  188. Fleetwood Fuel Pump
  189. Engine Locked Up!!!!!!!!!!!! Neeed Help!!!!....please
  190. It's Aliiive! *evil cackle*
  191. Bad Fuel Pressure regulator ?
  192. 96 Eldo overheating
  193. trans/motor mounts
  194. Help with Intake cover & gasket
  195. Starter problems on my 94 N*
  196. N* Head Milling Machining
  197. Tricks to Change Fuel Pump 97 STS??
  198. Coolant problem - please help!!!
  199. 95 Aurora hard to start !!
  200. Just bought my Caddy, need help !!! PLEASE !!!
  201. Compression Test for Head Gasket Leak
  202. 95,sts cooling ????
  203. What Went Wrong ???
  204. Coolant pellets, how often?
  205. 94 ENGINE fit a 98??
  206. error sorry
  207. i got my n*
  208. JB metalweld
  209. Friends Used 1999 DeVille
  210. N* Rear Headgasket - replace in the car?
  211. wood grain steering wheel
  212. replacing cams on N*
  213. How do you explain the northstar's short comings?
  214. Easy Serpentine Belt Threading
  215. 96 STS Service Emissions System Service Engine Light
  216. radiator fans?
  217. Missing?
  218. Plugs and Plug Wires
  219. Headgasket - How long, how much?
  220. 97 Deville: Digital Fuel Gauge Problem
  221. After WOT engine started missing.
  222. RWD Northstar(s)?
  223. sorry+question
  224. wut ^ all got a newb question/story
  225. Torque test and gas cut off?
  226. Cams replaced 2000 DTS
  227. 15W-40 Oil?
  228. Tune-up on 1999 Deville D'Elagance
  229. Ugh.. Broken drill bit.......
  230. A/C Condensor removal ...
  231. supercharger on my eldo
  232. My problem
  233. modular fuel rail?
  234. HELP Car not starting!
  235. Vote for CTS-V NOW
  236. Northstar idle
  237. Is my A/C compressor toast?
  238. Performance Chip!!!
  239. A/C Compressor Clutch
  240. coolant change procedure
  241. $4500 to replace head gasket...
  242. 94 concourse running rough
  243. 94 coolant leak
  244. Engine Out Bottom or Top?
  245. Water Pumps
  246. p076, transmission pressure solenoid help
  247. Transmission pan and Intake Manifold cover
  248. No TCC lock-up
  249. Trans. going out?
  250. Northstar worries