: Northstar Engines and System Technical Discussion



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