: Northstar Engines and System Technical Discussion



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  1. intermittent chirping under the hood, at poweroff...
  2. N* Headbolt Torque Protocol
  3. life of Northstar?
  4. plug the plug or leave it open
  5. WTF Belt tensionner squeel?!?
  6. I Have a Question about my transmission fluid?
  7. Flush/Drain Coolant
  8. Cooling/overheating issue
  9. Code p1189 ????
  10. 97' DeVille Northstar overheating
  11. So, how did N* ended up in a Cadillac's engine bay?
  12. My Exhaust sound...Listen!
  13. Whos idea was it to mount the N* sideways?
  14. 97 deville trouble code help me
  15. Digital MPG read outs
  16. exhaust volume
  17. '01 STS Piston and Ring Replacement
  18. This is a long-shot, just maybe...
  19. A/C issue!!!! again
  20. Turbonator, Tornado????
  21. 96 Deville T.b. And Egr Cleaning
  22. If anyone is interested in buying an Engine
  23. Catalyst melted. Why?
  24. random spring & washer after oil change.
  25. 96 Concours Northstar W/PC0240 Code
  26. New Cluster - Help
  27. Northstar Transplant?
  28. 360 HP reman N*....BBob what's your take?
  29. Gasket blown - other work while there?
  30. Northstar threw a rod, hole in lower block. Rebuildable?
  31. Help
  32. Northstar drinking coolant - need advice
  33. Blown NorthStar
  34. Remove N* eng from top or Pwrtrn out Btm?
  35. car stalls at light ?
  36. So what's wrong with FWD?
  37. Performace Module???
  38. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  39. Cam Position Sensor
  40. Dammm
  41. O2 sensor Question - bboby?
  42. 98 northstar cooling system
  43. 94 Sts A/c Problems Need Help
  44. 97 Deville. P0131 - what does this tell the computere
  45. Kicking coolant out the overflow hose on the surge tank
  46. No coolant supplement pellets available here.
  47. pan seal ??????
  48. Case 1/2 seal Question
  49. 94 Concours Need Help Big Time
  50. 97 Aurora with Northstar engine..Head gasket problem!
  51. transient powertrain "slack" when engaging??
  52. road trip spec's
  53. SELLING my Cadillac Deville DTS ------
  54. new head gasket sealant and bolt sealant
  55. CHANGE OIL message after new WATER PUMP installed
  56. would WOT's get rid of this code?
  57. Midthrottle surge...
  58. schematics 95 SLS water pump
  59. Dead Eldorado
  60. question about mixing of octane at the pump
  61. Using 20w50 oil in N* 99STS
  62. Need help quick - 2000 vs 99 injectors
  63. the STS almost doesnt start...any ideas?
  64. P0171 - P0174
  65. Doing First Tune Up
  66. Transmission service at the dealer?
  67. best choice?
  68. CAT = good and ?
  69. 4 cylinder Northstar - 97 DeVille
  70. RWD N* Project update
  71. 97 STS Cranks but doesn't start - error codes
  72. small tweaks that help or not?
  73. Running ragged p0300....
  74. 97 Deville - Sensor trouble, Running poor
  75. bad dealer
  76. No pressure on hoses
  77. Test for cam position sensors 98+?
  78. stuck at this part
  79. 96 SLS sometimes hard to start
  80. low (or no) oil pressure
  81. 94 Seville not starting
  82. drag strip times
  83. Coil Packs
  84. Rattling catalytic converter on n*
  85. Rear Speed Sensors Disconnected... On Purpose?
  86. N* ring end gap?
  87. 97 deville p420 code
  88. GOT CODES? I DO & IT SUCKS!!
  89. 2000 dhs plugs
  90. cooling fans
  91. Plugs/Wires check! EGR check! Phenolic plates???
  92. mud like residue in surge tank....
  93. seafoam
  94. idle? and mpg?
  95. northstar turbo
  96. '99 STS Temperature Problem ?
  97. No pressure in expansion tank
  98. Spark plug torque N*
  99. what hose do you drain coolant from? top or bottom?
  100. Changing Throttle bodies on my N*? Proceedure!
  101. how much dex cool and distilled water?
  102. 05 STS V8 Oil filter
  103. Best Oil Change Chain?
  104. engine managament/swap in jeep
  105. Forged crankshaft for N*
  106. Need "New" Northstar
  107. LT5 Vs Early Northstar
  108. 96 SLS Electrical Problems?
  109. Headgaskets?
  110. Twin Turbo or Supercharged...
  111. Mobil 5000, Conventional Oil?
  112. How to pull this out ?
  113. Oil leak!
  114. Rebuild bearings
  115. Engine Surge/Hesitate
  116. 2000 STS Spark Plug Thread Repair
  117. Hey BBOB (and others), was the LT1 ever considered
  118. oil change for 2001 cadi deville
  119. Phenolic Spacer Plates
  120. Cranks 5-10 seconds now, what's up?
  121. 96 STS N* squeaky pulley!?!?
  122. Spark Plug Question
  123. Fuel Pressure Check...
  124. Water Pump Tool?
  125. http://www.dragtimes.com/
  126. 99 STS - Blown Head Gaskets
  127. throttle body and egr tubes
  128. 99 Concourse, just going to buy then clonk
  129. Any Temp Seal For Head gaskets??
  130. Wow, this stinks
  131. Oxygen Sensor
  132. my engine on my 98....
  133. What could the problem be????
  134. OBD Codes
  135. Northstar Exhaust acoustic "tuning", Bbobinsky?
  136. '94 Deville n* h2O pipes behind engine rusted out
  137. Map sensor
  138. Help with codes for the Concourse
  139. problems with 94 deville 4.6L
  140. Which Fuel Pressure Regulator?
  141. New Application for the N*
  142. Engine miss
  143. Northstar engine miss
  144. 97 Deville Running poorly Help.
  145. EGR stuck = retarded timing?
  146. What is an MAF, and where can I find it?
  147. Spark Plugs on 94 STS.
  148. WOT, Premium Gas and Service Engine Soon Message
  149. Re: Didn't know where else to post this...
  150. Acetone and the Northstar
  151. whats with the front valve cover???
  152. Theory for Bbob: Fuel grade AGAIN ;)
  153. Need an Honest Opinion on my STS
  154. Plugs and Wires
  155. Missfire sensor
  156. Not head GASKET!
  157. 94 deville intake cover
  158. DIC controlls
  159. superchip
  160. Help my Cadillac Starts by itself
  161. Whats up with this "turbonoter"?
  162. Are there certain northstar engines to stay away from?
  163. 98 Eldo N* Cooling Issues..Now This?
  164. Bad injectors at 50K miles?
  165. Coolant supplement paradox (yeah this again :-)
  166. 95 sts mods
  167. Lifting Fuel Rail
  168. Engine miss when HOT outside.
  169. New Concours owner has PF61 question
  170. Catalytic converter
  171. Need help with O2 sensor.
  172. Just for laughs.....
  173. 94 N* motor pulled tips and ideas
  174. Hesitation
  175. too much money to replace a oil pan gasket
  176. Code PC0138 96 Deville? O2 sensor which one?
  177. Radiator hose looks warped and rubbing against engine...
  178. Transmission Fluid Under Pressure at Cap?
  179. Pcv Valve
  180. 2000 DeVille Waterpump
  181. Oil leak?..Not oil pan!
  182. Time-Serts for 96 N* Eldorado
  183. Rebuidling Heads on 96 Eldorado N* Engine
  184. Rebuilding Heads for 96 Eldorado
  185. MAP Problem?
  186. ECM/PCM Tuning
  187. New Northstar Motor Breakin ??
  188. Never fill up on gas when...
  189. Another overheat thread: '97 Deville N*
  190. Tune Up
  191. Northstar Timing Chains
  192. Do you have a Time-Sert kit, please help ?
  193. blown head or water pump
  194. 1996 Deville Won't Shift Stays in One gear Need Help Serious Techs
  195. Can a Water Pump Be Bad Without Leaking Or Making Noise?
  196. loose power steering rack
  197. Y / 9 What's the Difference?
  198. Blown head gasket repair? 96 deville
  199. 99 STS Starting hard, STALLING..Help!!
  200. Venting Cooling System?? Drill Hole??
  201. COP - Coil over Plug Question
  202. intake plenum bolt
  203. *98 Deville- Coolant in Oil?
  204. Code P076 on 94 STS and hard shifting help!
  205. 96 deville poping and rough running
  206. Tune Up on North*???
  207. Oil misinformation
  208. Just ordered used engine
  209. Honestly, how much interest in S/C or T/C the N*
  210. Cooling fan "on" temp?
  211. Nitrous?
  212. PCV Rattle
  213. Occasional tranny slippage: Shift solenoid???
  214. 93 eldorado northstar stalls out plz help!
  215. Racing Junk heads
  216. My Caddy won't start.....help!!
  217. Northstar TIME-SERT Kit for Sale.....
  218. 1st Self Work on 1994 STS
  219. How many miles can I drive my 1996? Problems will be?
  220. Engine died & no codes?
  221. Plumbing help on 99 STS
  222. WOT vs 4T80E vs. Timing Chain
  223. Exhaust Vids
  224. 99 STS Starting hard then STALLING..Help!!
  225. How did this happen?
  226. overheats sometimes
  227. Heat / AC cover ?
  228. ignition switch
  229. 94 Concours prob. after EGR cleaning P036
  230. 98 STS Motor mount busted
  231. Help with 98 STS part.
  232. Summit Turbo Mufflers?
  233. advice on correct coolant temps for 92 eldorado
  234. Is your N* running bad, hesitating, missing??
  235. Head gasket replacement
  236. Can DIC messages be cleared for good??
  237. Code I039??
  238. blown head gasket
  239. Strange rhythmic vibration 2000 DTS
  240. Electronic Speedometer Display
  241. Blue Devil Engine & Cooling system Sealer!?
  242. Major problems at 80K miles. Is this normal?
  243. Buzzing and ringing...
  244. Performance mod
  245. "flapper door" replacement?
  246. OBDII Programmers
  247. Limp Home what is it??
  248. 99 N doesnt come with factory strut tower bar?
  249. Before And After....(Mufflers)
  250. witch fuse?