: Northstar Engines and System Technical Discussion



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  1. Engine Stall/ shut down
  2. Oil Weight Question
  3. Northstar fuel economy?
  4. Passenger climate control
  5. HELP, service emissions eystem
  6. Dipstick 95 SLS
  7. Help with part #?
  8. STS 95: Hard gear shift
  9. power steering pump replacement- ? special tool
  10. 1998 Deville With Hard Starting And A Slight Gas Odor
  11. 1998 Seville rear wheel speed sensor
  12. Fluid Evacuators
  13. Bolt size ?
  14. Proper Spark plug gap?
  15. Prgramming Keyless Entry Remote 98 Deville
  16. Factory Service manuals
  17. Reset codes
  18. 1997 to 2000 engine swap
  19. 96 sts shifter handle
  20. temp guage 97 sts
  21. Diagnostic Troubleshooting
  22. Badly Misfiring 97 STS
  23. Spun bearings in my '94 STS
  24. drain plugs in 97 sts block WHERE?
  25. Best Aftermarket add ons...?
  26. 96 Eldorado
  27. Northstar Pics Please
  28. dynomax exhaust
  29. i need help with codes b2710,b2780
  30. Can't Figure Out How To Set IPC Overides
  31. Northstar in VW Golf. Link Attached.
  32. anyone doing THIS with their N*?
  33. Air Intake Kits
  34. GMPT PV8 (Northstar) engine Cylinder Liner help...
  35. If I Dont Use Premium Unleaded Will It Ruin My 96STS
  36. In English, Please...
  37. error codes
  38. 98 STS Codes
  39. 1999 Deville , Code says convertor is not locking up
  40. 98 Sedan Deville-TRANS HOT-IDLE ENGINE
  41. How do I changes coolant hose
  42. Performance Air Intake Kits ?
  43. N2O in my '98 STS
  44. head gasket and maintainence
  45. 1996 Cadillac Seville running hot? (or not) help needed
  46. help! 2500 rpm idle
  47. I got the codes, now what?
  48. Evap Soleniod
  49. 94 Concours getting 13 MPG What could be wrong?
  50. pcv valve
  51. Oil Amount Debate, Do you put in 7.5 quarts or less at oil change?
  52. What is code p1645 mean
  53. Oil change and coolant
  54. CHanging the top-speed cut-out.
  55. how much extra HP will i get
  56. Used northstar
  57. 94 STS bogging and stalling?
  58. Overheating-head gaskets-screw it!!!
  59. ETC Crossover Leak
  60. Fuel Rail Recall Update
  61. Norstar governor
  62. 2005 Bonneville gets N*
  63. Fuel Rail Recall Missinformation
  64. Scan Tool Questions
  65. CARFAX (engine / car serial Numbers)
  66. Who has done a lot of mods to NS powered cars?
  67. Oxygen sensor problems
  68. All was fine until... hard cold start prob
  69. No orange light in Park, D, 2,1 in cluster on Concours?
  70. new 99 eng for 97 how much is different?
  71. 96 deville error codes P0147 and P0146, where do I look?
  72. po741 error shifting problem
  73. Leaking coolant
  74. Cat-back systems
  75. Throttle Body Cleaning
  76. coolant temp sensor
  77. carfaxing a used northstar
  78. Exhaust crossover
  79. 1994 sts 94K miles overheating
  80. Timesert kit for sale
  81. rough idle
  82. IPC lights ....out
  83. 96 sts transmission
  84. Fuel Rail Recall, just got the letter
  85. Changing That Water Pump Belt
  86. headgasket repairs
  87. Traction Control & a code.....
  88. newb looking for part numbers
  89. Solenoid/Valve Body/Trans Pan Pics!!!!!!!!
  90. Volant Air Intake
  91. Oil pressure check
  92. replacing my 96 northstar
  93. Where is it all?
  94. Will I suck her dry if....
  95. Shift Solenoid Kit Pics of Parts!!!!
  96. About to kick my caddy
  97. 98 STS Has DIC That Still Registers 100% Trans Fluid Life
  98. Northstar missing at idle
  99. Fuel Rail Leak on 98 Deville!!!
  100. Best Bar's Leak...C16 Liquid
  101. To replace or repair the n. star
  102. 97 Deville Question
  103. northstar extended warranty
  104. Noticeably Better Gas Mileage..On 10 yr old+ Engine!?
  105. Gas miles -- Standard DeVille vs DTS
  106. Changing out Fuel Rail??
  107. intake manifold bolt torque?
  108. Strange Things Happing
  109. Gas pedal click
  110. Starting to get rough idle
  111. Fixin' to pull the engine
  112. Head Gasket Leak : NO OVERHEAT with coolant supplement
  113. TPS replacement problem
  114. Fuel Leak
  115. Northstar transplant and electronics
  116. Best way to prevent an oil leak on N*?
  117. 180F or 195F Thermostat for 94 N*?
  118. Misfiring and Service Engine light
  119. Coils / Intermittent "missing" on my 99 STS
  120. Hey Hotrodelectric
  121. Northstar Expectancy
  122. Code P094 Shift A Solenoid Speed Sensor Where and what is it 94 Concours?
  123. Ac
  124. Apparent Coolant Leak Below Water Pump
  125. What makes the Headgaskets go so often on early N*s?
  126. Engine Service Soon light on but no codes??? 94 Concours
  127. Perfect exahust flow for 1999 STS?
  128. 94 N* Eldo - Thought was Head Gasket! WAS NOT! My experience!
  129. oil pressure or electrical problems?
  130. Starting Problem
  131. Coolant leak 94 Concours
  132. Bar's Leaks, block seal: Head Gasket Repair ???
  133. Starter problem with '97 STS
  134. Caddy Northstar LMP 4.0 turbo
  135. I can't drive 55 (very far)
  136. Coolant Spuing
  137. Block Drain Plug- Coolant 4.6L
  138. Vacuum Harness????
  139. Piston Slapping site
  140. Help Again Bbobynski !! - Tranny Codes
  141. ? on buying a northstar engine
  142. Improve gas mileage with water??? Stupid or Scientific?
  143. Major head gasket problem
  144. 4.6 liters 300hp... 2.0 liters 200hp
  145. OBD II computer
  146. a question
  147. Oxytane?
  148. What Engines Can I Use???
  149. Oil getting sucked in through PCV Valve: Old Mechanic's Tale?!
  150. Fuel Rail Leak
  151. Rotten Egg
  152. '95 eldo TC fuel smell in cabin & hard-start
  153. can i use marvel mystery oil?
  154. Pros/cons Of Waterwetter For Northstar
  155. Over Heat Feature
  156. Torque Convertor Viscous?
  157. Can't find IP, TC, PZ, RS code info
  158. P056 easy fix
  159. Northstar misfire and backfire
  160. Throttle body size question, and HEADERS-where can I find some?????
  161. 93-94 wrist pin problems????
  162. Brand New Northstar Engine For $2500
  163. gunning cadillacs...was it NOT worth it? :-\
  164. Intake Assembly
  165. can 94 interchange with one another.
  166. Back fire in the induction system
  167. Caddy won't go into Overdrive Any ideas?
  168. Fastchip vs Superchip ...
  169. Coolant temp 250 is this too high? No warnings and fans on low?
  170. 0-60 specs: 95' N* impressive
  171. Swaping A From Y To 9
  172. need help
  173. 2000 Dts 60k Service?!?!?
  174. Revised Emissions Woes
  175. Any GM/Cadillac certified mechanics on board? PLEASE HELP
  176. Chip for Eldo 95 LE
  177. 97 SLS Stalls Only On Hot Days
  178. Throttle body cleaning question
  179. Oil Pan Gasket Change
  180. Who agrees that the Northstar is due for an overhaul by Cadillac?
  181. High Speed fan switch not working/working well
  182. 94 concours has no warning info messages!!!!
  183. Reasons for a/c compressor inop ?
  184. Q. for anyone who knows re: FWD N* - Why Transverse?
  185. 93 seville driving on its own
  186. engine temp?
  187. Down To The Wire: last minute thoughts please
  188. where are the 25 horses
  189. North * reliability?
  190. "Induction Performance Service"?
  191. How do I know if I need the computer updated?
  192. Oil Pressure Drop
  193. ? for those with aftermarket intakes
  194. Coolant Overflow
  195. gunning cadillacs...is it worth it?
  196. 96 Eldorado heating up...
  197. 1994 Eldorado 4.6L Tapping Noise
  198. Cooling Temps.
  199. Hard shift outta 1st
  200. "Weeping" Head Gasket
  201. Obd1
  202. Help With Code 39 Tcc Off
  203. Idle Problems
  204. squeak on 97 deville
  205. crate 2000 Northstar in a 59 Chevy Suburban
  206. cold start/warm start
  207. 1994 SLS 4.6 Oil Pressure Switch Woes
  208. Colours
  209. Odd Tune Up Question
  210. P0741 TCC stuck off
  211. Pre 2000 Northstars
  212. ShadowLvr400
  213. Replace transaxle seals or not?
  214. Vacuum line routing?
  215. Bobynski!
  216. need rebuilt short block-Northstar
  217. aftermarket CPU ???
  218. 2001 deville go fast parts ???
  219. EGR Pintle Stuck????
  220. High Temps?
  221. Gear Shift Position Indicator 1994 STS
  222. Misfire/hesitation
  223. Race day mods?
  224. 97 Sedan Deville oil change
  225. motor idles eratically at start and then dies
  226. Low Oil Pressure 1994 SLS 4.6 144k
  227. Right or left, Help Please!!!
  228. Need Code Info
  229. 1996 sts need help won't start
  230. Engine crud @ head gasket repair
  231. One fan or two?
  232. Failed emissions....plugs and wires...?
  233. General Questoin
  234. Overheating --- Still!!!!!!!!
  235. What are these trouble codes? Help!
  236. AAARRRGHHH...Where's the #$@#) switch?!?!
  237. Help! Dealer wants $$ for recall fuel rail!
  238. Very Long, EBTCM
  239. Northstar Maintenance -Tune Up
  240. K&N filters
  241. Check engine soon ! Why ?
  242. Waterpump reliability
  243. No one can figure it out!!! Help!!!
  244. In need of expertise
  245. SC44 and SC55
  246. why are the northstar engines always catching on fire?
  247. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  248. 4.9L NorthStar Performance Upgrades???
  249. Need new/rebuilt '96 Seville engine
  250. 100K warranty