: Northstar Engines and System Technical Discussion



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  1. headgasket repairs
  2. Traction Control & a code.....
  3. newb looking for part numbers
  4. Solenoid/Valve Body/Trans Pan Pics!!!!!!!!
  5. Volant Air Intake
  6. Oil pressure check
  7. replacing my 96 northstar
  8. Where is it all?
  9. Will I suck her dry if....
  10. Shift Solenoid Kit Pics of Parts!!!!
  11. About to kick my caddy
  12. 98 STS Has DIC That Still Registers 100% Trans Fluid Life
  13. Northstar missing at idle
  14. Fuel Rail Leak on 98 Deville!!!
  15. Best Bar's Leak...C16 Liquid
  16. To replace or repair the n. star
  17. 97 Deville Question
  18. northstar extended warranty
  19. Noticeably Better Gas Mileage..On 10 yr old+ Engine!?
  20. Gas miles -- Standard DeVille vs DTS
  21. Changing out Fuel Rail??
  22. intake manifold bolt torque?
  23. Strange Things Happing
  24. Gas pedal click
  25. Starting to get rough idle
  26. Fixin' to pull the engine
  27. Head Gasket Leak : NO OVERHEAT with coolant supplement
  28. TPS replacement problem
  29. Fuel Leak
  30. Northstar transplant and electronics
  31. Best way to prevent an oil leak on N*?
  32. 180F or 195F Thermostat for 94 N*?
  33. Misfiring and Service Engine light
  34. Coils / Intermittent "missing" on my 99 STS
  35. Hey Hotrodelectric
  36. Northstar Expectancy
  37. Code P094 Shift A Solenoid Speed Sensor Where and what is it 94 Concours?
  38. Ac
  39. Apparent Coolant Leak Below Water Pump
  40. What makes the Headgaskets go so often on early N*s?
  41. Engine Service Soon light on but no codes??? 94 Concours
  42. Perfect exahust flow for 1999 STS?
  43. 94 N* Eldo - Thought was Head Gasket! WAS NOT! My experience!
  44. oil pressure or electrical problems?
  45. Starting Problem
  46. Coolant leak 94 Concours
  47. Bar's Leaks, block seal: Head Gasket Repair ???
  48. Starter problem with '97 STS
  49. Caddy Northstar LMP 4.0 turbo
  50. I can't drive 55 (very far)
  51. Coolant Spuing
  52. Block Drain Plug- Coolant 4.6L
  53. Vacuum Harness????
  54. Piston Slapping site
  55. Help Again Bbobynski !! - Tranny Codes
  56. ? on buying a northstar engine
  57. Improve gas mileage with water??? Stupid or Scientific?
  58. Major head gasket problem
  59. 4.6 liters 300hp... 2.0 liters 200hp
  60. OBD II computer
  61. a question
  62. Oxytane?
  63. What Engines Can I Use???
  64. Oil getting sucked in through PCV Valve: Old Mechanic's Tale?!
  65. Fuel Rail Leak
  66. Rotten Egg
  67. '95 eldo TC fuel smell in cabin & hard-start
  68. can i use marvel mystery oil?
  69. Pros/cons Of Waterwetter For Northstar
  70. Over Heat Feature
  71. Torque Convertor Viscous?
  72. Can't find IP, TC, PZ, RS code info
  73. P056 easy fix
  74. Northstar misfire and backfire
  75. Throttle body size question, and HEADERS-where can I find some?????
  76. 93-94 wrist pin problems????
  77. Brand New Northstar Engine For $2500
  78. gunning cadillacs...was it NOT worth it? :-\
  79. Intake Assembly
  80. can 94 interchange with one another.
  81. Back fire in the induction system
  82. Caddy won't go into Overdrive Any ideas?
  83. Fastchip vs Superchip ...
  84. Coolant temp 250 is this too high? No warnings and fans on low?
  85. 0-60 specs: 95' N* impressive
  86. Swaping A From Y To 9
  87. need help
  88. 2000 Dts 60k Service?!?!?
  89. Revised Emissions Woes
  90. Any GM/Cadillac certified mechanics on board? PLEASE HELP
  91. Chip for Eldo 95 LE
  92. 97 SLS Stalls Only On Hot Days
  93. Throttle body cleaning question
  94. Oil Pan Gasket Change
  95. Who agrees that the Northstar is due for an overhaul by Cadillac?
  96. High Speed fan switch not working/working well
  97. 94 concours has no warning info messages!!!!
  98. Reasons for a/c compressor inop ?
  99. Q. for anyone who knows re: FWD N* - Why Transverse?
  100. 93 seville driving on its own
  101. engine temp?
  102. Down To The Wire: last minute thoughts please
  103. where are the 25 horses
  104. North * reliability?
  105. "Induction Performance Service"?
  106. How do I know if I need the computer updated?
  107. Oil Pressure Drop
  108. ? for those with aftermarket intakes
  109. Coolant Overflow
  110. gunning cadillacs...is it worth it?
  111. 96 Eldorado heating up...
  112. 1994 Eldorado 4.6L Tapping Noise
  113. Cooling Temps.
  114. Hard shift outta 1st
  115. "Weeping" Head Gasket
  116. Obd1
  117. Help With Code 39 Tcc Off
  118. Idle Problems
  119. squeak on 97 deville
  120. crate 2000 Northstar in a 59 Chevy Suburban
  121. cold start/warm start
  122. 1994 SLS 4.6 Oil Pressure Switch Woes
  123. Colours
  124. Odd Tune Up Question
  125. P0741 TCC stuck off
  126. Pre 2000 Northstars
  127. ShadowLvr400
  128. Replace transaxle seals or not?
  129. Vacuum line routing?
  130. Bobynski!
  131. need rebuilt short block-Northstar
  132. aftermarket CPU ???
  133. 2001 deville go fast parts ???
  134. EGR Pintle Stuck????
  135. High Temps?
  136. Gear Shift Position Indicator 1994 STS
  137. Misfire/hesitation
  138. Race day mods?
  139. 97 Sedan Deville oil change
  140. motor idles eratically at start and then dies
  141. Low Oil Pressure 1994 SLS 4.6 144k
  142. Right or left, Help Please!!!
  143. Need Code Info
  144. 1996 sts need help won't start
  145. Engine crud @ head gasket repair
  146. One fan or two?
  147. Failed emissions....plugs and wires...?
  148. General Questoin
  149. Overheating --- Still!!!!!!!!
  150. What are these trouble codes? Help!
  151. AAARRRGHHH...Where's the #$@#) switch?!?!
  152. Help! Dealer wants $$ for recall fuel rail!
  153. Very Long, EBTCM
  154. Northstar Maintenance -Tune Up
  155. K&N filters
  156. Check engine soon ! Why ?
  157. Waterpump reliability
  158. No one can figure it out!!! Help!!!
  159. In need of expertise
  160. SC44 and SC55
  161. why are the northstar engines always catching on fire?
  162. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  163. 4.9L NorthStar Performance Upgrades???
  164. Need new/rebuilt '96 Seville engine
  165. 100K warranty
  166. Noise from PS pump.
  167. Wanted!! '00+ rear tranny mount
  168. PO 441 error
  169. Help!!
  170. Rubber gone in the top motor mounts
  171. Stop Engine Low oil pressure
  172. Help with fixing a broken shift solenoid
  173. Tranny detent cable question
  174. po29????
  175. '96 STS Engine Stalling - Possible Electrical Problem?
  176. It's time to tear into her!!
  177. Codes PC0300, PC1139, PZ2719
  178. Crack my Block!!!!!!
  179. "Y" code vs. "9" Code
  180. Northstar 97 sls was hard 2 start--now no start
  181. 1997 Seville STS - Oil Leak Problems?
  182. 130k gaskets vs. 88k transplant
  183. Unlimited funds....almost
  184. Service Emissions System
  185. air plenum and coolant...
  186. error codes p0113 &503
  187. Computer codes and more help wanted
  188. coolant and A/C fans broken blades & mounting arms
  189. 1996 Sedan Deville Knock Sensor
  190. Newbie needs help
  191. frozen serpentine belt tensioner
  192. New Northstar, Unleaded or Premium?
  193. Want to buy northstar coils...
  194. Northstar indicates overheat
  195. BBOB - North* Oil Usage Comment
  196. Bad Cylinder?? Low compression?? Need help.
  197. Steam Engine, Now What?
  198. Zero Oil Pressure!! HELP!!
  199. INtake Manifold
  200. N*, Gas drowning my cylinder, getting smoke
  201. 2 Trans oil purge questions...or more?
  202. Erratic Throttle
  203. Strange Readings 1994 Deville Concourse N*
  204. What would a gas coating on a plug mean?
  205. BBOB - thermostat?
  206. Steam from Tail Pipe?
  207. exhaust questions
  208. water pump tool
  209. Cluster Question - Low Oil Pressure
  210. Limp home mode?
  211. Flowmasters?
  212. Flexplate to Torque converter - loctite??
  213. "Check Oil Level" message question
  214. hole in aluminum Radiator - help wanted
  215. Help Eldo Completely Dead But Batt.has Voltage
  216. Rough Idle...Sluggish Acceleration....
  217. Trouble codes
  218. P0741 - TCC System Stuck Off ???
  219. Clueless N* owners with 4 codes
  220. A P059 code?
  221. Longevity of the N* timing chain nylon tensioner pads ?
  222. What type of Power Steering fluid to use in 93 N* Eldo ?
  223. Limp Home Feature?
  224. Last pressure test update - hopefully!!!
  225. How important (really) is an oil cooler?
  226. Cascading multi-module failure-BBOB?
  227. Hesitation when a/c is on?
  228. PCV valve location 2003 Deville
  229. 4T80E Trans neutraling out in Drive/OD
  230. P 028 code AND overheating?
  231. 96 Deville Waterpump belt removal
  232. Is my car misfiring?
  233. Misfire Woes
  234. Another pressure test update
  235. Can dex-cool replace green anti-f?
  236. more head gasket headaches
  237. Egr
  238. More pressure test questions
  239. Nice job on headbolt quality control
  240. 4.0 to 4.6 swap ?
  241. BBOB - did the press test/overheating/????
  242. Timesert kit needed
  243. Tapping Lifters at start
  244. Northstar Gasket Replacement $?
  245. coil packs on 93 ETC?
  246. Eating Oil.......
  247. Eror code p0153
  248. ac only blows worm air
  249. air intake pro's & cons
  250. Brand new N*...