: Northstar Engines and System Technical Discussion



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