: Northstar Engines and System Technical Discussion



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  1. 96 sts shifter handle
  2. temp guage 97 sts
  3. Diagnostic Troubleshooting
  4. Badly Misfiring 97 STS
  5. Spun bearings in my '94 STS
  6. drain plugs in 97 sts block WHERE?
  7. Best Aftermarket add ons...?
  8. 96 Eldorado
  9. Northstar Pics Please
  10. dynomax exhaust
  11. i need help with codes b2710,b2780
  12. Can't Figure Out How To Set IPC Overides
  13. Northstar in VW Golf. Link Attached.
  14. anyone doing THIS with their N*?
  15. Air Intake Kits
  16. GMPT PV8 (Northstar) engine Cylinder Liner help...
  17. If I Dont Use Premium Unleaded Will It Ruin My 96STS
  18. In English, Please...
  19. error codes
  20. 98 STS Codes
  21. 1999 Deville , Code says convertor is not locking up
  22. 98 Sedan Deville-TRANS HOT-IDLE ENGINE
  23. How do I changes coolant hose
  24. Performance Air Intake Kits ?
  25. N2O in my '98 STS
  26. head gasket and maintainence
  27. 1996 Cadillac Seville running hot? (or not) help needed
  28. help! 2500 rpm idle
  29. I got the codes, now what?
  30. Evap Soleniod
  31. 94 Concours getting 13 MPG What could be wrong?
  32. pcv valve
  33. Oil Amount Debate, Do you put in 7.5 quarts or less at oil change?
  34. What is code p1645 mean
  35. Oil change and coolant
  36. CHanging the top-speed cut-out.
  37. how much extra HP will i get
  38. Used northstar
  39. 94 STS bogging and stalling?
  40. Overheating-head gaskets-screw it!!!
  41. ETC Crossover Leak
  42. Fuel Rail Recall Update
  43. Norstar governor
  44. 2005 Bonneville gets N*
  45. Fuel Rail Recall Missinformation
  46. Scan Tool Questions
  47. CARFAX (engine / car serial Numbers)
  48. Who has done a lot of mods to NS powered cars?
  49. Oxygen sensor problems
  50. All was fine until... hard cold start prob
  51. No orange light in Park, D, 2,1 in cluster on Concours?
  52. new 99 eng for 97 how much is different?
  53. 96 deville error codes P0147 and P0146, where do I look?
  54. po741 error shifting problem
  55. Leaking coolant
  56. Cat-back systems
  57. Throttle Body Cleaning
  58. coolant temp sensor
  59. carfaxing a used northstar
  60. Exhaust crossover
  61. 1994 sts 94K miles overheating
  62. Timesert kit for sale
  63. rough idle
  64. IPC lights ....out
  65. 96 sts transmission
  66. Fuel Rail Recall, just got the letter
  67. Changing That Water Pump Belt
  68. headgasket repairs
  69. Traction Control & a code.....
  70. newb looking for part numbers
  71. Solenoid/Valve Body/Trans Pan Pics!!!!!!!!
  72. Volant Air Intake
  73. Oil pressure check
  74. replacing my 96 northstar
  75. Where is it all?
  76. Will I suck her dry if....
  77. Shift Solenoid Kit Pics of Parts!!!!
  78. About to kick my caddy
  79. 98 STS Has DIC That Still Registers 100% Trans Fluid Life
  80. Northstar missing at idle
  81. Fuel Rail Leak on 98 Deville!!!
  82. Best Bar's Leak...C16 Liquid
  83. To replace or repair the n. star
  84. 97 Deville Question
  85. northstar extended warranty
  86. Noticeably Better Gas Mileage..On 10 yr old+ Engine!?
  87. Gas miles -- Standard DeVille vs DTS
  88. Changing out Fuel Rail??
  89. intake manifold bolt torque?
  90. Strange Things Happing
  91. Gas pedal click
  92. Starting to get rough idle
  93. Fixin' to pull the engine
  94. Head Gasket Leak : NO OVERHEAT with coolant supplement
  95. TPS replacement problem
  96. Fuel Leak
  97. Northstar transplant and electronics
  98. Best way to prevent an oil leak on N*?
  99. 180F or 195F Thermostat for 94 N*?
  100. Misfiring and Service Engine light
  101. Coils / Intermittent "missing" on my 99 STS
  102. Hey Hotrodelectric
  103. Northstar Expectancy
  104. Code P094 Shift A Solenoid Speed Sensor Where and what is it 94 Concours?
  105. Ac
  106. Apparent Coolant Leak Below Water Pump
  107. What makes the Headgaskets go so often on early N*s?
  108. Engine Service Soon light on but no codes??? 94 Concours
  109. Perfect exahust flow for 1999 STS?
  110. 94 N* Eldo - Thought was Head Gasket! WAS NOT! My experience!
  111. oil pressure or electrical problems?
  112. Starting Problem
  113. Coolant leak 94 Concours
  114. Bar's Leaks, block seal: Head Gasket Repair ???
  115. Starter problem with '97 STS
  116. Caddy Northstar LMP 4.0 turbo
  117. I can't drive 55 (very far)
  118. Coolant Spuing
  119. Block Drain Plug- Coolant 4.6L
  120. Vacuum Harness????
  121. Piston Slapping site
  122. Help Again Bbobynski !! - Tranny Codes
  123. ? on buying a northstar engine
  124. Improve gas mileage with water??? Stupid or Scientific?
  125. Major head gasket problem
  126. 4.6 liters 300hp... 2.0 liters 200hp
  127. OBD II computer
  128. a question
  129. Oxytane?
  130. What Engines Can I Use???
  131. Oil getting sucked in through PCV Valve: Old Mechanic's Tale?!
  132. Fuel Rail Leak
  133. Rotten Egg
  134. '95 eldo TC fuel smell in cabin & hard-start
  135. can i use marvel mystery oil?
  136. Pros/cons Of Waterwetter For Northstar
  137. Over Heat Feature
  138. Torque Convertor Viscous?
  139. Can't find IP, TC, PZ, RS code info
  140. P056 easy fix
  141. Northstar misfire and backfire
  142. Throttle body size question, and HEADERS-where can I find some?????
  143. 93-94 wrist pin problems????
  144. Brand New Northstar Engine For $2500
  145. gunning cadillacs...was it NOT worth it? :-\
  146. Intake Assembly
  147. can 94 interchange with one another.
  148. Back fire in the induction system
  149. Caddy won't go into Overdrive Any ideas?
  150. Fastchip vs Superchip ...
  151. Coolant temp 250 is this too high? No warnings and fans on low?
  152. 0-60 specs: 95' N* impressive
  153. Swaping A From Y To 9
  154. need help
  155. 2000 Dts 60k Service?!?!?
  156. Revised Emissions Woes
  157. Any GM/Cadillac certified mechanics on board? PLEASE HELP
  158. Chip for Eldo 95 LE
  159. 97 SLS Stalls Only On Hot Days
  160. Throttle body cleaning question
  161. Oil Pan Gasket Change
  162. Who agrees that the Northstar is due for an overhaul by Cadillac?
  163. High Speed fan switch not working/working well
  164. 94 concours has no warning info messages!!!!
  165. Reasons for a/c compressor inop ?
  166. Q. for anyone who knows re: FWD N* - Why Transverse?
  167. 93 seville driving on its own
  168. engine temp?
  169. Down To The Wire: last minute thoughts please
  170. where are the 25 horses
  171. North * reliability?
  172. "Induction Performance Service"?
  173. How do I know if I need the computer updated?
  174. Oil Pressure Drop
  175. ? for those with aftermarket intakes
  176. Coolant Overflow
  177. gunning cadillacs...is it worth it?
  178. 96 Eldorado heating up...
  179. 1994 Eldorado 4.6L Tapping Noise
  180. Cooling Temps.
  181. Hard shift outta 1st
  182. "Weeping" Head Gasket
  183. Obd1
  184. Help With Code 39 Tcc Off
  185. Idle Problems
  186. squeak on 97 deville
  187. crate 2000 Northstar in a 59 Chevy Suburban
  188. cold start/warm start
  189. 1994 SLS 4.6 Oil Pressure Switch Woes
  190. Colours
  191. Odd Tune Up Question
  192. P0741 TCC stuck off
  193. Pre 2000 Northstars
  194. ShadowLvr400
  195. Replace transaxle seals or not?
  196. Vacuum line routing?
  197. Bobynski!
  198. need rebuilt short block-Northstar
  199. aftermarket CPU ???
  200. 2001 deville go fast parts ???
  201. EGR Pintle Stuck????
  202. High Temps?
  203. Gear Shift Position Indicator 1994 STS
  204. Misfire/hesitation
  205. Race day mods?
  206. 97 Sedan Deville oil change
  207. motor idles eratically at start and then dies
  208. Low Oil Pressure 1994 SLS 4.6 144k
  209. Right or left, Help Please!!!
  210. Need Code Info
  211. 1996 sts need help won't start
  212. Engine crud @ head gasket repair
  213. One fan or two?
  214. Failed emissions....plugs and wires...?
  215. General Questoin
  216. Overheating --- Still!!!!!!!!
  217. What are these trouble codes? Help!
  218. AAARRRGHHH...Where's the #$@#) switch?!?!
  219. Help! Dealer wants $$ for recall fuel rail!
  220. Very Long, EBTCM
  221. Northstar Maintenance -Tune Up
  222. K&N filters
  223. Check engine soon ! Why ?
  224. Waterpump reliability
  225. No one can figure it out!!! Help!!!
  226. In need of expertise
  227. SC44 and SC55
  228. why are the northstar engines always catching on fire?
  229. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  230. 4.9L NorthStar Performance Upgrades???
  231. Need new/rebuilt '96 Seville engine
  232. 100K warranty
  233. Noise from PS pump.
  234. Wanted!! '00+ rear tranny mount
  235. PO 441 error
  236. Help!!
  237. Rubber gone in the top motor mounts
  238. Stop Engine Low oil pressure
  239. Help with fixing a broken shift solenoid
  240. Tranny detent cable question
  241. po29????
  242. '96 STS Engine Stalling - Possible Electrical Problem?
  243. It's time to tear into her!!
  244. Codes PC0300, PC1139, PZ2719
  245. Crack my Block!!!!!!
  246. "Y" code vs. "9" Code
  247. Northstar 97 sls was hard 2 start--now no start
  248. 1997 Seville STS - Oil Leak Problems?
  249. 130k gaskets vs. 88k transplant
  250. Unlimited funds....almost