: Northstar Engines and System Technical Discussion



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  1. 97 eldorado etc with a stumble
  2. do I need two sets of timeserts?
  3. Trouble starting once engine is warm
  4. coolant level
  5. Ok computer genius!! I need you help please
  6. removing northstar engine AC COMPRESSOR question
  7. Intermittant detonation
  8. n*Headgasket Diag. the Hardway
  9. Using 1st, 2nd, 3rd gears in 99' STS
  10. Northstar 1993 Explosion - Urgent Need
  11. having a starting problem on my 94 sls
  12. '95 Northstar into a '94?
  13. NorthStar reliability?
  14. Leaking Coolant, where is it coming from?
  15. Removing the front valve cover on 98 N*???
  16. Low battery voltage causing hard starts ?
  17. new server with past informative posts
  18. Oil Leak Question
  19. service.gm.com username/password
  20. Slipping out of overdrive and P094 code
  21. will 99 n* spark plug wires fit 97 n* ???
  22. Update on my 99' Eldo issues.. and thanks
  23. 97 DeVille Concours low oil pressure stop engine???
  24. sensor names?!?!?!
  25. Cost of rebuilding transmission?
  26. 99 STS Engine Temp Sensor problem
  27. New Owner, 97 Eldo, A Few Thoughts And Questions
  28. what is the conditioner called to add to the radiator coolant??
  29. Toyota MR2 powered by...Northstar
  30. Northstar Twin Turbo...
  31. A helicopter powered by...Northstar engine
  32. A guy with TWO N* engines in his Caddy...The TwinStar
  33. A guy with a turbocharged Northstar powered Fiero...
  34. Found: Northstar Engine Info:
  35. Hi, new here with q on a 99 Eld.
  36. Running Rich?????
  37. Spark Plug Replacement
  38. Cooling System Hoses
  39. 95 STS Crank sensor,location ??? help
  40. engine braking a la overrun clutch
  41. Best Price/ Dealer for Time-serts?
  42. Looking for Northstar Parts!
  43. accuracy of temp sensor???? please help
  44. Oil Seal Tool ?
  45. Help need info.
  46. 94 Caddy Concours Tranny/Linkage?
  47. Need help with '94 STS codes
  48. P022 code TPS open
  49. where can i buy rear control arm bushings?
  50. Replacing Timeserts in 96 Eldorado
  51. N* hp over the years...
  52. Installing Oil Pressure Gauge???
  53. 97 Deville ran 278 Degrees..any chance i did not blow the heads?"
  54. 97 DeVille Concours still runnin hot
  55. HELP! Need serpentine belt diagram
  56. Vacuum pressure
  57. old engine, bad engine?
  58. 95 Cadillac Seville Northstar 4.6 V8 Swap...
  59. P0609 - help
  60. Shift Solenoids A & B, Need some Help!
  61. What do these codes mean in plain english ?
  62. N* performance help
  63. Northstar stud problem
  64. Noisy Northstar
  65. northstar swap?
  66. Transmission NIGHTMARE
  67. '94 SLS, 4.6L, how do you set the cam alignment?
  68. 1993 Eldo...ALL THE OIL CAME OUT
  69. what engine years will fit my 94 sls?
  70. A question on diagnostic codes
  71. tires for 99 STS??
  72. taking off oil pan?
  73. Update on PCM gone Loco
  74. Overheating: correct diagnostics
  75. N* Power Steering Pump Pressurizing
  76. 95 Northstart Leaking Coolant
  77. What next? PCM shot or something I'm missing? Please help.
  78. Oil Pressure Drop on V8 NS
  79. looking for some new ideas and help with northstar motor
  80. Backfire and smoke under the Hood
  81. Northstar/HotRod/Blower
  82. 1996 ESC 40K, Does Trans-fluid need changing?
  83. Help Needed - 95 SLS Stalls then won't idle or Revs Like Crazy! Lots of codes!
  84. Code Question for a 2000 deville north*.
  85. Can I swap an 02 N*into my 98 STS?
  86. Sorry Caddy Dudes!
  87. 97 N* low oil pressure light flickering
  88. 1996 Northstar Excess Fuel Consumption
  89. 94 SLS questions
  90. Northstar Swap question
  91. Can someone tell me what these codes mean?
  92. p076 presure solenoid problem
  93. northstar oil consumtion
  94. Compass reads incorrect sometimes?
  95. "Normal" Northstar Coolant Operating Temp?
  96. 1999 Deville trouble codes
  97. 97 STS Code Info U1027
  98. supercharger for the Northstar
  99. Radiator leak...how much $$$?
  100. '94 SLS Head bolt Torque value?
  101. stalling
  102. 4T80E shift algorhythm logic -- what are the facts?
  103. Oil Leak
  104. Overfill oil in northstar, keep reading bad stuff
  105. Changed starter, now very hard start, run, white smoke.
  106. '94 STS rattle
  107. '94 SLS smoking bad
  108. Bad idle and deacceleration
  109. '94 DeVille Concours North*
  110. Factory air intake box question
  111. Stop Engine Low Oil Presssure
  112. Northstar losing oil
  113. Pcm Gone Loco?
  114. Concours '94 Problem
  115. P 025 code - 1995 STS
  116. Headgasket/temperatute swings
  117. Help with ACM codes please.
  118. Can a headgasket happen even with frequent coolant changes & if it never overheated?
  119. Exhaust manifold on N* 4.6
  120. Ect???
  121. 95 SLS Ruff Start (metal on metal)
  122. Gas Pedal Tapping When Engine Shut's Off
  123. 1995 Eldorado Northstar Engine Skips
  124. 99SLS Ruff idle when started
  125. 94 sts spark Plugs
  126. Shift Solenoid Problem help!!!!
  127. Would Magnaflows help MPG?
  128. Intake manifold gasket replacement...special tool?
  129. Factory Service Manual
  130. Oil change at 3K or when oil life=10%?
  131. blown head gasket
  132. Oil Life Monitor
  133. 95 NS chip burner
  134. If anyone needs a N* Deville & Protection
  135. Northstar overheating!
  136. 94 Seville STS service
  137. N* Headbolt Torque
  138. Quick code help please
  139. 97 n* rough idle
  140. Cylinder pressure test unsuccessful-missing something?
  141. O2 Sensors for 97 STS
  142. temp for n*
  143. Drumming up support...
  144. mechanic recommends oil additive
  145. How to turn engine to TDC w/ plugs out
  146. 1994 Concours exhaust diameter
  147. misfires @ idle & WOT, no codes
  148. Why Does My Engine Shift very Hard when hot? (No Codes)
  149. Raring to go
  150. NorthStar Oil leak
  151. How to air pressure test cylinder?
  152. 4t80e no codes, limp mode
  153. Where can i find a cheap N*
  154. Sounds that a N* engine bay should make
  155. Slight Fuel smell on startup.
  156. Need TSB 3179 and info on Service PROM
  157. intermittent chirping under the hood, at poweroff...
  158. N* Headbolt Torque Protocol
  159. life of Northstar?
  160. plug the plug or leave it open
  161. WTF Belt tensionner squeel?!?
  162. I Have a Question about my transmission fluid?
  163. Flush/Drain Coolant
  164. Cooling/overheating issue
  165. Code p1189 ????
  166. 97' DeVille Northstar overheating
  167. So, how did N* ended up in a Cadillac's engine bay?
  168. My Exhaust sound...Listen!
  169. Whos idea was it to mount the N* sideways?
  170. 97 deville trouble code help me
  171. Digital MPG read outs
  172. exhaust volume
  173. '01 STS Piston and Ring Replacement
  174. This is a long-shot, just maybe...
  175. A/C issue!!!! again
  176. Turbonator, Tornado????
  177. 96 Deville T.b. And Egr Cleaning
  178. If anyone is interested in buying an Engine
  179. Catalyst melted. Why?
  180. random spring & washer after oil change.
  181. 96 Concours Northstar W/PC0240 Code
  182. New Cluster - Help
  183. Northstar Transplant?
  184. 360 HP reman N*....BBob what's your take?
  185. Gasket blown - other work while there?
  186. Northstar threw a rod, hole in lower block. Rebuildable?
  187. Help
  188. Northstar drinking coolant - need advice
  189. Blown NorthStar
  190. Remove N* eng from top or Pwrtrn out Btm?
  191. car stalls at light ?
  192. So what's wrong with FWD?
  193. Performace Module???
  194. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  195. Cam Position Sensor
  196. Dammm
  197. O2 sensor Question - bboby?
  198. 98 northstar cooling system
  199. 94 Sts A/c Problems Need Help
  200. 97 Deville. P0131 - what does this tell the computere
  201. Kicking coolant out the overflow hose on the surge tank
  202. No coolant supplement pellets available here.
  203. pan seal ??????
  204. Case 1/2 seal Question
  205. 94 Concours Need Help Big Time
  206. 97 Aurora with Northstar engine..Head gasket problem!
  207. transient powertrain "slack" when engaging??
  208. road trip spec's
  209. SELLING my Cadillac Deville DTS ------
  210. new head gasket sealant and bolt sealant
  211. CHANGE OIL message after new WATER PUMP installed
  212. would WOT's get rid of this code?
  213. Midthrottle surge...
  214. schematics 95 SLS water pump
  215. Dead Eldorado
  216. question about mixing of octane at the pump
  217. Using 20w50 oil in N* 99STS
  218. Need help quick - 2000 vs 99 injectors
  219. the STS almost doesnt start...any ideas?
  220. P0171 - P0174
  221. Doing First Tune Up
  222. Transmission service at the dealer?
  223. best choice?
  224. CAT = good and ?
  225. 4 cylinder Northstar - 97 DeVille
  226. RWD N* Project update
  227. 97 STS Cranks but doesn't start - error codes
  228. small tweaks that help or not?
  229. Running ragged p0300....
  230. 97 Deville - Sensor trouble, Running poor
  231. bad dealer
  232. No pressure on hoses
  233. Test for cam position sensors 98+?
  234. stuck at this part
  235. 96 SLS sometimes hard to start
  236. low (or no) oil pressure
  237. 94 Seville not starting
  238. drag strip times
  239. Coil Packs
  240. Rattling catalytic converter on n*
  241. Rear Speed Sensors Disconnected... On Purpose?
  242. N* ring end gap?
  243. 97 deville p420 code
  244. GOT CODES? I DO & IT SUCKS!!
  245. 2000 dhs plugs
  246. cooling fans
  247. Plugs/Wires check! EGR check! Phenolic plates???
  248. mud like residue in surge tank....
  249. seafoam
  250. idle? and mpg?