: Northstar Engines and System Technical Discussion



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  1. High Temps?
  2. Gear Shift Position Indicator 1994 STS
  3. Misfire/hesitation
  4. Race day mods?
  5. 97 Sedan Deville oil change
  6. motor idles eratically at start and then dies
  7. Low Oil Pressure 1994 SLS 4.6 144k
  8. Right or left, Help Please!!!
  9. Need Code Info
  10. 1996 sts need help won't start
  11. Engine crud @ head gasket repair
  12. One fan or two?
  13. Failed emissions....plugs and wires...?
  14. General Questoin
  15. Overheating --- Still!!!!!!!!
  16. What are these trouble codes? Help!
  17. AAARRRGHHH...Where's the #$@#) switch?!?!
  18. Help! Dealer wants $$ for recall fuel rail!
  19. Very Long, EBTCM
  20. Northstar Maintenance -Tune Up
  21. K&N filters
  22. Check engine soon ! Why ?
  23. Waterpump reliability
  24. No one can figure it out!!! Help!!!
  25. In need of expertise
  26. SC44 and SC55
  27. why are the northstar engines always catching on fire?
  28. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  29. 4.9L NorthStar Performance Upgrades???
  30. Need new/rebuilt '96 Seville engine
  31. 100K warranty
  32. Noise from PS pump.
  33. Wanted!! '00+ rear tranny mount
  34. PO 441 error
  35. Help!!
  36. Rubber gone in the top motor mounts
  37. Stop Engine Low oil pressure
  38. Help with fixing a broken shift solenoid
  39. Tranny detent cable question
  40. po29????
  41. '96 STS Engine Stalling - Possible Electrical Problem?
  42. It's time to tear into her!!
  43. Codes PC0300, PC1139, PZ2719
  44. Crack my Block!!!!!!
  45. "Y" code vs. "9" Code
  46. Northstar 97 sls was hard 2 start--now no start
  47. 1997 Seville STS - Oil Leak Problems?
  48. 130k gaskets vs. 88k transplant
  49. Unlimited funds....almost
  50. Service Emissions System
  51. air plenum and coolant...
  52. error codes p0113 &503
  53. Computer codes and more help wanted
  54. coolant and A/C fans broken blades & mounting arms
  55. 1996 Sedan Deville Knock Sensor
  56. Newbie needs help
  57. frozen serpentine belt tensioner
  58. New Northstar, Unleaded or Premium?
  59. Want to buy northstar coils...
  60. Northstar indicates overheat
  61. BBOB - North* Oil Usage Comment
  62. Bad Cylinder?? Low compression?? Need help.
  63. Steam Engine, Now What?
  64. Zero Oil Pressure!! HELP!!
  65. INtake Manifold
  66. N*, Gas drowning my cylinder, getting smoke
  67. 2 Trans oil purge questions...or more?
  68. Erratic Throttle
  69. Strange Readings 1994 Deville Concourse N*
  70. What would a gas coating on a plug mean?
  71. BBOB - thermostat?
  72. Steam from Tail Pipe?
  73. exhaust questions
  74. water pump tool
  75. Cluster Question - Low Oil Pressure
  76. Limp home mode?
  77. Flowmasters?
  78. Flexplate to Torque converter - loctite??
  79. "Check Oil Level" message question
  80. hole in aluminum Radiator - help wanted
  81. Help Eldo Completely Dead But Batt.has Voltage
  82. Rough Idle...Sluggish Acceleration....
  83. Trouble codes
  84. P0741 - TCC System Stuck Off ???
  85. Clueless N* owners with 4 codes
  86. A P059 code?
  87. Longevity of the N* timing chain nylon tensioner pads ?
  88. What type of Power Steering fluid to use in 93 N* Eldo ?
  89. Limp Home Feature?
  90. Last pressure test update - hopefully!!!
  91. How important (really) is an oil cooler?
  92. Cascading multi-module failure-BBOB?
  93. Hesitation when a/c is on?
  94. PCV valve location 2003 Deville
  95. 4T80E Trans neutraling out in Drive/OD
  96. P 028 code AND overheating?
  97. 96 Deville Waterpump belt removal
  98. Is my car misfiring?
  99. Misfire Woes
  100. Another pressure test update
  101. Can dex-cool replace green anti-f?
  102. more head gasket headaches
  103. Egr
  104. More pressure test questions
  105. Nice job on headbolt quality control
  106. 4.0 to 4.6 swap ?
  107. BBOB - did the press test/overheating/????
  108. Timesert kit needed
  109. Tapping Lifters at start
  110. Northstar Gasket Replacement $?
  111. coil packs on 93 ETC?
  112. Eating Oil.......
  113. Eror code p0153
  114. ac only blows worm air
  115. air intake pro's & cons
  116. Brand new N*...
  117. 1997 Seville - Tranny
  118. Head gasket progress/ performance?
  119. Bbob - Tranny Oil Cooler Line Quest.
  120. Eldo idle and low speed running ODD- HELP!
  121. 93 Northstar using 5w-30 ?
  122. Cleaning Engine
  123. when do the fans come on?
  124. Fun with lifters
  125. How badly stripped was your block?
  126. 96 cadillac deville troubles !!!!
  127. Starting Problems- 95 SLS
  128. Fuel Consumption-Tornado Fuel Saver
  129. my s/c 98 sts wow
  130. MSD DIS-4 and/or Interface modules??
  131. Any info on shift improvement kit for 4T80E?
  132. Need a time-sert kit!
  133. Intermittent VSS!!
  134. Lots of exhaust smoke-95 SLS
  135. Who actually designed the Northstar what's his name?
  136. Do N* heads crack EVER?
  137. New Exhaust
  138. Head Studs?
  139. Removing pully?
  140. White "burned" spark plugs?
  141. What Oil?
  142. Variable Valve Northstar question
  143. HELP!! '96 Deville Starting Problem
  144. Nitrous Wet Or Dry???
  145. Help! 94 Concors
  146. !996 Cadillac Deville Exhaust Smoke Problem
  147. RPM steadily increasing (93 N*)
  148. starter
  149. Opinions on head gaskets vs. engine swap?
  150. Water pump 'sound'?
  151. 10% alcohol fuel...bad news
  152. Needed ASAP:Fuel pump replacement for 1996 Deville
  153. Post Tune-Up questions
  154. Half case leak check
  155. o2 Sensor Help
  156. Throttle Body?- 95 SLS
  157. HELP! 5-6 sec. Cold Starts
  158. My car is about to get sold.
  159. Advice on engine miss and motor mount
  160. 1996 Eldorado ETC overheating.
  161. Spark Plug question for N*
  162. 92 cadillac deville won't start
  163. Timecerts pulled out !
  164. Fuel rail recall expanded
  165. 97 overheating update/helms/questions
  166. Identifing a part (1993 STS - N*)
  167. Dealer Says I Need A New Engine: PLEASE HELP
  168. P0441 Whats this caused by?
  169. Leaking Head gasket cause miss at idle?
  170. from active 2 passive shocks
  171. Water pump belt
  172. Throttle Body Question
  173. need trouble code definitions
  174. Dtc P0503 1520 And Transmission Slip
  175. My 97 Deville is hard to start only when cold
  176. Fuel Gauge Damage by High Sulphur Content
  177. Aurora specs-parts?
  178. Coolant type HELP!!!!
  179. Sources for water pump pulley puller/installer
  180. Stupid muffler question!!!
  181. Differences between the VIN 9 and Y
  182. Northstar overheating
  183. Performance mufflers reliability
  184. Oil pressure sensor on Northstar
  185. How many miles on your N*?
  186. Mobil 1 Now Required ??
  187. is the northstar junk?
  188. 98 STS Staled Out! and wont start.
  189. North* pros and cons?
  190. STS Engine installed IMPECCABLE JOB!!!
  191. Thanks on the 97 overheating
  192. Towing with a STS...
  193. 97 eldo missfiring
  194. North* oil pan removal ELDO ETC
  195. Throttle Body
  196. Northsatr question (years)
  197. 1999 Caddy stalls while driving
  198. Misfire and P046
  199. 94' SLS oil leak?
  200. 02 Deville keeps dying...please help!
  201. radiator replacement
  202. PCM code p039
  203. 97 ETC overheating questions
  204. Bars Leak "Oil additive" not Coolant!!
  205. WTF? Intake Manifold Noise?
  206. Northstar main cap bolts
  207. 2002 Deville poor gas mileage
  208. best repair manual for 97 eldo
  209. who fixes your caddy?
  210. plug wires 97 etc
  211. N* Summer Maintenence
  212. transaxle shift relays?
  213. northstar as a plane engine?
  214. How does the PCM know what gear it's in?
  215. Screwed up water pump
  216. Head gasket price/strategy?
  217. TCC stuck OFF
  218. waterpump
  219. 97 ETC overheating
  220. Changing Coolant and the Right Number of Tablets
  221. Shh, it happened! then starting with 2 simple questions...
  222. Mid-grade fuel?
  223. North* easy tune up
  224. more top end speed
  225. My New 94 Eldorado
  226. Starts fine when cold, hesitates when warm...
  227. Northstar using unleaded fuel?
  228. It's Alive again
  229. Need water pump help ASAP!!
  230. Changing final gear ratio
  231. Changing '96 head gaskets....What else?
  232. Problem with RSS
  233. fuel pump pressure
  234. No heat inside the car
  235. Engine Coolant Change out
  236. Coolant question, 4.6 northstar
  237. Intake/Fuel Problem?
  238. Galloping Goose
  239. Engine Mountings 98 STS
  240. Which Brand Spark Plug is the best for 98 Deville?
  241. Redrilled cam sprockets vs aftermarket cams
  242. Dyno2000 Northstar File
  243. Procedure for removing and replacing heater core
  244. Pcm?
  245. Baffle Plat.. Bad design in older N*
  246. Motor Mounts for 97 sts
  247. N* & Mityvac Fluid Evacuator?
  248. Attn Phil!!!!
  249. north swap
  250. Mods for my 93 STS????