: Northstar Engines and System Technical Discussion



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