: Northstar Engines and System Technical Discussion



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  1. anyone doing THIS with their N*?
  2. Air Intake Kits
  3. GMPT PV8 (Northstar) engine Cylinder Liner help...
  4. If I Dont Use Premium Unleaded Will It Ruin My 96STS
  5. In English, Please...
  6. error codes
  7. 98 STS Codes
  8. 1999 Deville , Code says convertor is not locking up
  9. 98 Sedan Deville-TRANS HOT-IDLE ENGINE
  10. How do I changes coolant hose
  11. Performance Air Intake Kits ?
  12. N2O in my '98 STS
  13. head gasket and maintainence
  14. 1996 Cadillac Seville running hot? (or not) help needed
  15. help! 2500 rpm idle
  16. I got the codes, now what?
  17. Evap Soleniod
  18. 94 Concours getting 13 MPG What could be wrong?
  19. pcv valve
  20. Oil Amount Debate, Do you put in 7.5 quarts or less at oil change?
  21. What is code p1645 mean
  22. Oil change and coolant
  23. CHanging the top-speed cut-out.
  24. how much extra HP will i get
  25. Used northstar
  26. 94 STS bogging and stalling?
  27. Overheating-head gaskets-screw it!!!
  28. ETC Crossover Leak
  29. Fuel Rail Recall Update
  30. Norstar governor
  31. 2005 Bonneville gets N*
  32. Fuel Rail Recall Missinformation
  33. Scan Tool Questions
  34. CARFAX (engine / car serial Numbers)
  35. Who has done a lot of mods to NS powered cars?
  36. Oxygen sensor problems
  37. All was fine until... hard cold start prob
  38. No orange light in Park, D, 2,1 in cluster on Concours?
  39. new 99 eng for 97 how much is different?
  40. 96 deville error codes P0147 and P0146, where do I look?
  41. po741 error shifting problem
  42. Leaking coolant
  43. Cat-back systems
  44. Throttle Body Cleaning
  45. coolant temp sensor
  46. carfaxing a used northstar
  47. Exhaust crossover
  48. 1994 sts 94K miles overheating
  49. Timesert kit for sale
  50. rough idle
  51. IPC lights ....out
  52. 96 sts transmission
  53. Fuel Rail Recall, just got the letter
  54. Changing That Water Pump Belt
  55. headgasket repairs
  56. Traction Control & a code.....
  57. newb looking for part numbers
  58. Solenoid/Valve Body/Trans Pan Pics!!!!!!!!
  59. Volant Air Intake
  60. Oil pressure check
  61. replacing my 96 northstar
  62. Where is it all?
  63. Will I suck her dry if....
  64. Shift Solenoid Kit Pics of Parts!!!!
  65. About to kick my caddy
  66. 98 STS Has DIC That Still Registers 100% Trans Fluid Life
  67. Northstar missing at idle
  68. Fuel Rail Leak on 98 Deville!!!
  69. Best Bar's Leak...C16 Liquid
  70. To replace or repair the n. star
  71. 97 Deville Question
  72. northstar extended warranty
  73. Noticeably Better Gas Mileage..On 10 yr old+ Engine!?
  74. Gas miles -- Standard DeVille vs DTS
  75. Changing out Fuel Rail??
  76. intake manifold bolt torque?
  77. Strange Things Happing
  78. Gas pedal click
  79. Starting to get rough idle
  80. Fixin' to pull the engine
  81. Head Gasket Leak : NO OVERHEAT with coolant supplement
  82. TPS replacement problem
  83. Fuel Leak
  84. Northstar transplant and electronics
  85. Best way to prevent an oil leak on N*?
  86. 180F or 195F Thermostat for 94 N*?
  87. Misfiring and Service Engine light
  88. Coils / Intermittent "missing" on my 99 STS
  89. Hey Hotrodelectric
  90. Northstar Expectancy
  91. Code P094 Shift A Solenoid Speed Sensor Where and what is it 94 Concours?
  92. Ac
  93. Apparent Coolant Leak Below Water Pump
  94. What makes the Headgaskets go so often on early N*s?
  95. Engine Service Soon light on but no codes??? 94 Concours
  96. Perfect exahust flow for 1999 STS?
  97. 94 N* Eldo - Thought was Head Gasket! WAS NOT! My experience!
  98. oil pressure or electrical problems?
  99. Starting Problem
  100. Coolant leak 94 Concours
  101. Bar's Leaks, block seal: Head Gasket Repair ???
  102. Starter problem with '97 STS
  103. Caddy Northstar LMP 4.0 turbo
  104. I can't drive 55 (very far)
  105. Coolant Spuing
  106. Block Drain Plug- Coolant 4.6L
  107. Vacuum Harness????
  108. Piston Slapping site
  109. Help Again Bbobynski !! - Tranny Codes
  110. ? on buying a northstar engine
  111. Improve gas mileage with water??? Stupid or Scientific?
  112. Major head gasket problem
  113. 4.6 liters 300hp... 2.0 liters 200hp
  114. OBD II computer
  115. a question
  116. Oxytane?
  117. What Engines Can I Use???
  118. Oil getting sucked in through PCV Valve: Old Mechanic's Tale?!
  119. Fuel Rail Leak
  120. Rotten Egg
  121. '95 eldo TC fuel smell in cabin & hard-start
  122. can i use marvel mystery oil?
  123. Pros/cons Of Waterwetter For Northstar
  124. Over Heat Feature
  125. Torque Convertor Viscous?
  126. Can't find IP, TC, PZ, RS code info
  127. P056 easy fix
  128. Northstar misfire and backfire
  129. Throttle body size question, and HEADERS-where can I find some?????
  130. 93-94 wrist pin problems????
  131. Brand New Northstar Engine For $2500
  132. gunning cadillacs...was it NOT worth it? :-\
  133. Intake Assembly
  134. can 94 interchange with one another.
  135. Back fire in the induction system
  136. Caddy won't go into Overdrive Any ideas?
  137. Fastchip vs Superchip ...
  138. Coolant temp 250 is this too high? No warnings and fans on low?
  139. 0-60 specs: 95' N* impressive
  140. Swaping A From Y To 9
  141. need help
  142. 2000 Dts 60k Service?!?!?
  143. Revised Emissions Woes
  144. Any GM/Cadillac certified mechanics on board? PLEASE HELP
  145. Chip for Eldo 95 LE
  146. 97 SLS Stalls Only On Hot Days
  147. Throttle body cleaning question
  148. Oil Pan Gasket Change
  149. Who agrees that the Northstar is due for an overhaul by Cadillac?
  150. High Speed fan switch not working/working well
  151. 94 concours has no warning info messages!!!!
  152. Reasons for a/c compressor inop ?
  153. Q. for anyone who knows re: FWD N* - Why Transverse?
  154. 93 seville driving on its own
  155. engine temp?
  156. Down To The Wire: last minute thoughts please
  157. where are the 25 horses
  158. North * reliability?
  159. "Induction Performance Service"?
  160. How do I know if I need the computer updated?
  161. Oil Pressure Drop
  162. ? for those with aftermarket intakes
  163. Coolant Overflow
  164. gunning cadillacs...is it worth it?
  165. 96 Eldorado heating up...
  166. 1994 Eldorado 4.6L Tapping Noise
  167. Cooling Temps.
  168. Hard shift outta 1st
  169. "Weeping" Head Gasket
  170. Obd1
  171. Help With Code 39 Tcc Off
  172. Idle Problems
  173. squeak on 97 deville
  174. crate 2000 Northstar in a 59 Chevy Suburban
  175. cold start/warm start
  176. 1994 SLS 4.6 Oil Pressure Switch Woes
  177. Colours
  178. Odd Tune Up Question
  179. P0741 TCC stuck off
  180. Pre 2000 Northstars
  181. ShadowLvr400
  182. Replace transaxle seals or not?
  183. Vacuum line routing?
  184. Bobynski!
  185. need rebuilt short block-Northstar
  186. aftermarket CPU ???
  187. 2001 deville go fast parts ???
  188. EGR Pintle Stuck????
  189. High Temps?
  190. Gear Shift Position Indicator 1994 STS
  191. Misfire/hesitation
  192. Race day mods?
  193. 97 Sedan Deville oil change
  194. motor idles eratically at start and then dies
  195. Low Oil Pressure 1994 SLS 4.6 144k
  196. Right or left, Help Please!!!
  197. Need Code Info
  198. 1996 sts need help won't start
  199. Engine crud @ head gasket repair
  200. One fan or two?
  201. Failed emissions....plugs and wires...?
  202. General Questoin
  203. Overheating --- Still!!!!!!!!
  204. What are these trouble codes? Help!
  205. AAARRRGHHH...Where's the #$@#) switch?!?!
  206. Help! Dealer wants $$ for recall fuel rail!
  207. Very Long, EBTCM
  208. Northstar Maintenance -Tune Up
  209. K&N filters
  210. Check engine soon ! Why ?
  211. Waterpump reliability
  212. No one can figure it out!!! Help!!!
  213. In need of expertise
  214. SC44 and SC55
  215. why are the northstar engines always catching on fire?
  216. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  217. 4.9L NorthStar Performance Upgrades???
  218. Need new/rebuilt '96 Seville engine
  219. 100K warranty
  220. Noise from PS pump.
  221. Wanted!! '00+ rear tranny mount
  222. PO 441 error
  223. Help!!
  224. Rubber gone in the top motor mounts
  225. Stop Engine Low oil pressure
  226. Help with fixing a broken shift solenoid
  227. Tranny detent cable question
  228. po29????
  229. '96 STS Engine Stalling - Possible Electrical Problem?
  230. It's time to tear into her!!
  231. Codes PC0300, PC1139, PZ2719
  232. Crack my Block!!!!!!
  233. "Y" code vs. "9" Code
  234. Northstar 97 sls was hard 2 start--now no start
  235. 1997 Seville STS - Oil Leak Problems?
  236. 130k gaskets vs. 88k transplant
  237. Unlimited funds....almost
  238. Service Emissions System
  239. air plenum and coolant...
  240. error codes p0113 &503
  241. Computer codes and more help wanted
  242. coolant and A/C fans broken blades & mounting arms
  243. 1996 Sedan Deville Knock Sensor
  244. Newbie needs help
  245. frozen serpentine belt tensioner
  246. New Northstar, Unleaded or Premium?
  247. Want to buy northstar coils...
  248. Northstar indicates overheat
  249. BBOB - North* Oil Usage Comment
  250. Bad Cylinder?? Low compression?? Need help.