: Northstar Engines and System Technical Discussion



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  1. 1993 Eldo...ALL THE OIL CAME OUT
  2. what engine years will fit my 94 sls?
  3. A question on diagnostic codes
  4. tires for 99 STS??
  5. taking off oil pan?
  6. Update on PCM gone Loco
  7. Overheating: correct diagnostics
  8. N* Power Steering Pump Pressurizing
  9. 95 Northstart Leaking Coolant
  10. What next? PCM shot or something I'm missing? Please help.
  11. Oil Pressure Drop on V8 NS
  12. looking for some new ideas and help with northstar motor
  13. Backfire and smoke under the Hood
  14. Northstar/HotRod/Blower
  15. 1996 ESC 40K, Does Trans-fluid need changing?
  16. Help Needed - 95 SLS Stalls then won't idle or Revs Like Crazy! Lots of codes!
  17. Code Question for a 2000 deville north*.
  18. Can I swap an 02 N*into my 98 STS?
  19. Sorry Caddy Dudes!
  20. 97 N* low oil pressure light flickering
  21. 1996 Northstar Excess Fuel Consumption
  22. 94 SLS questions
  23. Northstar Swap question
  24. Can someone tell me what these codes mean?
  25. p076 presure solenoid problem
  26. northstar oil consumtion
  27. Compass reads incorrect sometimes?
  28. "Normal" Northstar Coolant Operating Temp?
  29. 1999 Deville trouble codes
  30. 97 STS Code Info U1027
  31. supercharger for the Northstar
  32. Radiator leak...how much $$$?
  33. '94 SLS Head bolt Torque value?
  34. stalling
  35. 4T80E shift algorhythm logic -- what are the facts?
  36. Oil Leak
  37. Overfill oil in northstar, keep reading bad stuff
  38. Changed starter, now very hard start, run, white smoke.
  39. '94 STS rattle
  40. '94 SLS smoking bad
  41. Bad idle and deacceleration
  42. '94 DeVille Concours North*
  43. Factory air intake box question
  44. Stop Engine Low Oil Presssure
  45. Northstar losing oil
  46. Pcm Gone Loco?
  47. Concours '94 Problem
  48. P 025 code - 1995 STS
  49. Headgasket/temperatute swings
  50. Help with ACM codes please.
  51. Can a headgasket happen even with frequent coolant changes & if it never overheated?
  52. Exhaust manifold on N* 4.6
  53. Ect???
  54. 95 SLS Ruff Start (metal on metal)
  55. Gas Pedal Tapping When Engine Shut's Off
  56. 1995 Eldorado Northstar Engine Skips
  57. 99SLS Ruff idle when started
  58. 94 sts spark Plugs
  59. Shift Solenoid Problem help!!!!
  60. Would Magnaflows help MPG?
  61. Intake manifold gasket replacement...special tool?
  62. Factory Service Manual
  63. Oil change at 3K or when oil life=10%?
  64. blown head gasket
  65. Oil Life Monitor
  66. 95 NS chip burner
  67. If anyone needs a N* Deville & Protection
  68. Northstar overheating!
  69. 94 Seville STS service
  70. N* Headbolt Torque
  71. Quick code help please
  72. 97 n* rough idle
  73. Cylinder pressure test unsuccessful-missing something?
  74. O2 Sensors for 97 STS
  75. temp for n*
  76. Drumming up support...
  77. mechanic recommends oil additive
  78. How to turn engine to TDC w/ plugs out
  79. 1994 Concours exhaust diameter
  80. misfires @ idle & WOT, no codes
  81. Why Does My Engine Shift very Hard when hot? (No Codes)
  82. Raring to go
  83. NorthStar Oil leak
  84. How to air pressure test cylinder?
  85. 4t80e no codes, limp mode
  86. Where can i find a cheap N*
  87. Sounds that a N* engine bay should make
  88. Slight Fuel smell on startup.
  89. Need TSB 3179 and info on Service PROM
  90. intermittent chirping under the hood, at poweroff...
  91. N* Headbolt Torque Protocol
  92. life of Northstar?
  93. plug the plug or leave it open
  94. WTF Belt tensionner squeel?!?
  95. I Have a Question about my transmission fluid?
  96. Flush/Drain Coolant
  97. Cooling/overheating issue
  98. Code p1189 ????
  99. 97' DeVille Northstar overheating
  100. So, how did N* ended up in a Cadillac's engine bay?
  101. My Exhaust sound...Listen!
  102. Whos idea was it to mount the N* sideways?
  103. 97 deville trouble code help me
  104. Digital MPG read outs
  105. exhaust volume
  106. '01 STS Piston and Ring Replacement
  107. This is a long-shot, just maybe...
  108. A/C issue!!!! again
  109. Turbonator, Tornado????
  110. 96 Deville T.b. And Egr Cleaning
  111. If anyone is interested in buying an Engine
  112. Catalyst melted. Why?
  113. random spring & washer after oil change.
  114. 96 Concours Northstar W/PC0240 Code
  115. New Cluster - Help
  116. Northstar Transplant?
  117. 360 HP reman N*....BBob what's your take?
  118. Gasket blown - other work while there?
  119. Northstar threw a rod, hole in lower block. Rebuildable?
  120. Help
  121. Northstar drinking coolant - need advice
  122. Blown NorthStar
  123. Remove N* eng from top or Pwrtrn out Btm?
  124. car stalls at light ?
  125. So what's wrong with FWD?
  126. Performace Module???
  127. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  128. Cam Position Sensor
  129. Dammm
  130. O2 sensor Question - bboby?
  131. 98 northstar cooling system
  132. 94 Sts A/c Problems Need Help
  133. 97 Deville. P0131 - what does this tell the computere
  134. Kicking coolant out the overflow hose on the surge tank
  135. No coolant supplement pellets available here.
  136. pan seal ??????
  137. Case 1/2 seal Question
  138. 94 Concours Need Help Big Time
  139. 97 Aurora with Northstar engine..Head gasket problem!
  140. transient powertrain "slack" when engaging??
  141. road trip spec's
  142. SELLING my Cadillac Deville DTS ------
  143. new head gasket sealant and bolt sealant
  144. CHANGE OIL message after new WATER PUMP installed
  145. would WOT's get rid of this code?
  146. Midthrottle surge...
  147. schematics 95 SLS water pump
  148. Dead Eldorado
  149. question about mixing of octane at the pump
  150. Using 20w50 oil in N* 99STS
  151. Need help quick - 2000 vs 99 injectors
  152. the STS almost doesnt start...any ideas?
  153. P0171 - P0174
  154. Doing First Tune Up
  155. Transmission service at the dealer?
  156. best choice?
  157. CAT = good and ?
  158. 4 cylinder Northstar - 97 DeVille
  159. RWD N* Project update
  160. 97 STS Cranks but doesn't start - error codes
  161. small tweaks that help or not?
  162. Running ragged p0300....
  163. 97 Deville - Sensor trouble, Running poor
  164. bad dealer
  165. No pressure on hoses
  166. Test for cam position sensors 98+?
  167. stuck at this part
  168. 96 SLS sometimes hard to start
  169. low (or no) oil pressure
  170. 94 Seville not starting
  171. drag strip times
  172. Coil Packs
  173. Rattling catalytic converter on n*
  174. Rear Speed Sensors Disconnected... On Purpose?
  175. N* ring end gap?
  176. 97 deville p420 code
  177. GOT CODES? I DO & IT SUCKS!!
  178. 2000 dhs plugs
  179. cooling fans
  180. Plugs/Wires check! EGR check! Phenolic plates???
  181. mud like residue in surge tank....
  182. seafoam
  183. idle? and mpg?
  184. northstar turbo
  185. '99 STS Temperature Problem ?
  186. No pressure in expansion tank
  187. Spark plug torque N*
  188. what hose do you drain coolant from? top or bottom?
  189. Changing Throttle bodies on my N*? Proceedure!
  190. how much dex cool and distilled water?
  191. 05 STS V8 Oil filter
  192. Best Oil Change Chain?
  193. engine managament/swap in jeep
  194. Forged crankshaft for N*
  195. Need "New" Northstar
  196. LT5 Vs Early Northstar
  197. 96 SLS Electrical Problems?
  198. Headgaskets?
  199. Twin Turbo or Supercharged...
  200. Mobil 5000, Conventional Oil?
  201. How to pull this out ?
  202. Oil leak!
  203. Rebuild bearings
  204. Engine Surge/Hesitate
  205. 2000 STS Spark Plug Thread Repair
  206. Hey BBOB (and others), was the LT1 ever considered
  207. oil change for 2001 cadi deville
  208. Phenolic Spacer Plates
  209. Cranks 5-10 seconds now, what's up?
  210. 96 STS N* squeaky pulley!?!?
  211. Spark Plug Question
  212. Fuel Pressure Check...
  213. Water Pump Tool?
  214. http://www.dragtimes.com/
  215. 99 STS - Blown Head Gaskets
  216. throttle body and egr tubes
  217. 99 Concourse, just going to buy then clonk
  218. Any Temp Seal For Head gaskets??
  219. Wow, this stinks
  220. Oxygen Sensor
  221. my engine on my 98....
  222. What could the problem be????
  223. OBD Codes
  224. Northstar Exhaust acoustic "tuning", Bbobinsky?
  225. '94 Deville n* h2O pipes behind engine rusted out
  226. Map sensor
  227. Help with codes for the Concourse
  228. problems with 94 deville 4.6L
  229. Which Fuel Pressure Regulator?
  230. New Application for the N*
  231. Engine miss
  232. Northstar engine miss
  233. 97 Deville Running poorly Help.
  234. EGR stuck = retarded timing?
  235. What is an MAF, and where can I find it?
  236. Spark Plugs on 94 STS.
  237. WOT, Premium Gas and Service Engine Soon Message
  238. Re: Didn't know where else to post this...
  239. Acetone and the Northstar
  240. whats with the front valve cover???
  241. Theory for Bbob: Fuel grade AGAIN ;)
  242. Need an Honest Opinion on my STS
  243. Plugs and Wires
  244. Missfire sensor
  245. Not head GASKET!
  246. 94 deville intake cover
  247. DIC controlls
  248. superchip
  249. Help my Cadillac Starts by itself
  250. Whats up with this "turbonoter"?