: Northstar Engines and System Technical Discussion



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  1. No pressure on hoses
  2. Test for cam position sensors 98+?
  3. stuck at this part
  4. 96 SLS sometimes hard to start
  5. low (or no) oil pressure
  6. 94 Seville not starting
  7. drag strip times
  8. Coil Packs
  9. Rattling catalytic converter on n*
  10. Rear Speed Sensors Disconnected... On Purpose?
  11. N* ring end gap?
  12. 97 deville p420 code
  13. GOT CODES? I DO & IT SUCKS!!
  14. 2000 dhs plugs
  15. cooling fans
  16. Plugs/Wires check! EGR check! Phenolic plates???
  17. mud like residue in surge tank....
  18. seafoam
  19. idle? and mpg?
  20. northstar turbo
  21. '99 STS Temperature Problem ?
  22. No pressure in expansion tank
  23. Spark plug torque N*
  24. what hose do you drain coolant from? top or bottom?
  25. Changing Throttle bodies on my N*? Proceedure!
  26. how much dex cool and distilled water?
  27. 05 STS V8 Oil filter
  28. Best Oil Change Chain?
  29. engine managament/swap in jeep
  30. Forged crankshaft for N*
  31. Need "New" Northstar
  32. LT5 Vs Early Northstar
  33. 96 SLS Electrical Problems?
  34. Headgaskets?
  35. Twin Turbo or Supercharged...
  36. Mobil 5000, Conventional Oil?
  37. How to pull this out ?
  38. Oil leak!
  39. Rebuild bearings
  40. Engine Surge/Hesitate
  41. 2000 STS Spark Plug Thread Repair
  42. Hey BBOB (and others), was the LT1 ever considered
  43. oil change for 2001 cadi deville
  44. Phenolic Spacer Plates
  45. Cranks 5-10 seconds now, what's up?
  46. 96 STS N* squeaky pulley!?!?
  47. Spark Plug Question
  48. Fuel Pressure Check...
  49. Water Pump Tool?
  50. http://www.dragtimes.com/
  51. 99 STS - Blown Head Gaskets
  52. throttle body and egr tubes
  53. 99 Concourse, just going to buy then clonk
  54. Any Temp Seal For Head gaskets??
  55. Wow, this stinks
  56. Oxygen Sensor
  57. my engine on my 98....
  58. What could the problem be????
  59. OBD Codes
  60. Northstar Exhaust acoustic "tuning", Bbobinsky?
  61. '94 Deville n* h2O pipes behind engine rusted out
  62. Map sensor
  63. Help with codes for the Concourse
  64. problems with 94 deville 4.6L
  65. Which Fuel Pressure Regulator?
  66. New Application for the N*
  67. Engine miss
  68. Northstar engine miss
  69. 97 Deville Running poorly Help.
  70. EGR stuck = retarded timing?
  71. What is an MAF, and where can I find it?
  72. Spark Plugs on 94 STS.
  73. WOT, Premium Gas and Service Engine Soon Message
  74. Re: Didn't know where else to post this...
  75. Acetone and the Northstar
  76. whats with the front valve cover???
  77. Theory for Bbob: Fuel grade AGAIN ;)
  78. Need an Honest Opinion on my STS
  79. Plugs and Wires
  80. Missfire sensor
  81. Not head GASKET!
  82. 94 deville intake cover
  83. DIC controlls
  84. superchip
  85. Help my Cadillac Starts by itself
  86. Whats up with this "turbonoter"?
  87. Are there certain northstar engines to stay away from?
  88. 98 Eldo N* Cooling Issues..Now This?
  89. Bad injectors at 50K miles?
  90. Coolant supplement paradox (yeah this again :-)
  91. 95 sts mods
  92. Lifting Fuel Rail
  93. Engine miss when HOT outside.
  94. New Concours owner has PF61 question
  95. Catalytic converter
  96. Need help with O2 sensor.
  97. Just for laughs.....
  98. 94 N* motor pulled tips and ideas
  99. Hesitation
  100. too much money to replace a oil pan gasket
  101. Code PC0138 96 Deville? O2 sensor which one?
  102. Radiator hose looks warped and rubbing against engine...
  103. Transmission Fluid Under Pressure at Cap?
  104. Pcv Valve
  105. 2000 DeVille Waterpump
  106. Oil leak?..Not oil pan!
  107. Time-Serts for 96 N* Eldorado
  108. Rebuidling Heads on 96 Eldorado N* Engine
  109. Rebuilding Heads for 96 Eldorado
  110. MAP Problem?
  111. ECM/PCM Tuning
  112. New Northstar Motor Breakin ??
  113. Never fill up on gas when...
  114. Another overheat thread: '97 Deville N*
  115. Tune Up
  116. Northstar Timing Chains
  117. Do you have a Time-Sert kit, please help ?
  118. blown head or water pump
  119. 1996 Deville Won't Shift Stays in One gear Need Help Serious Techs
  120. Can a Water Pump Be Bad Without Leaking Or Making Noise?
  121. loose power steering rack
  122. Y / 9 What's the Difference?
  123. Blown head gasket repair? 96 deville
  124. 99 STS Starting hard, STALLING..Help!!
  125. Venting Cooling System?? Drill Hole??
  126. COP - Coil over Plug Question
  127. intake plenum bolt
  128. *98 Deville- Coolant in Oil?
  129. Code P076 on 94 STS and hard shifting help!
  130. 96 deville poping and rough running
  131. Tune Up on North*???
  132. Oil misinformation
  133. Just ordered used engine
  134. Honestly, how much interest in S/C or T/C the N*
  135. Cooling fan "on" temp?
  136. Nitrous?
  137. PCV Rattle
  138. Occasional tranny slippage: Shift solenoid???
  139. 93 eldorado northstar stalls out plz help!
  140. Racing Junk heads
  141. My Caddy won't start.....help!!
  142. Northstar TIME-SERT Kit for Sale.....
  143. 1st Self Work on 1994 STS
  144. How many miles can I drive my 1996? Problems will be?
  145. Engine died & no codes?
  146. Plumbing help on 99 STS
  147. WOT vs 4T80E vs. Timing Chain
  148. Exhaust Vids
  149. 99 STS Starting hard then STALLING..Help!!
  150. How did this happen?
  151. overheats sometimes
  152. Heat / AC cover ?
  153. ignition switch
  154. 94 Concours prob. after EGR cleaning P036
  155. 98 STS Motor mount busted
  156. Help with 98 STS part.
  157. Summit Turbo Mufflers?
  158. advice on correct coolant temps for 92 eldorado
  159. Is your N* running bad, hesitating, missing??
  160. Head gasket replacement
  161. Can DIC messages be cleared for good??
  162. Code I039??
  163. blown head gasket
  164. Strange rhythmic vibration 2000 DTS
  165. Electronic Speedometer Display
  166. Blue Devil Engine & Cooling system Sealer!?
  167. Major problems at 80K miles. Is this normal?
  168. Buzzing and ringing...
  169. Performance mod
  170. "flapper door" replacement?
  171. OBDII Programmers
  172. Limp Home what is it??
  173. 99 N doesnt come with factory strut tower bar?
  174. Before And After....(Mufflers)
  175. witch fuse?
  176. Coolant Change 98 Deville
  177. 96 Sedan Deville-Where is the thermostat located
  178. Engine Codes PC0300 & RF2560
  179. Hotrod with the N*
  180. Engine Swap Info
  181. chugging N*
  182. OK, tired of Headgasket worry...
  183. 96 SLS burning oil like it's gas
  184. Remove the water pump pulley
  185. Tool to remove the water pump pulley
  186. 95 Deville Oil Presure
  187. engine died
  188. Tune Up Time!
  189. 97eldo Need Help
  190. missing bolts on side of oilpan and A-frame...
  191. Torque strut removal and "engine tilt"
  192. Thread inserts?
  193. Can you use 10W-40 in a Northstar
  194. Are AC/Delco parts available only at the dealer?
  195. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  196. How do you properly use pellets? Northstar
  197. Engine seems to misfire a bit when it's cold or damp out
  198. coolant coming out of overflow hose like faucet '97 Eldo
  199. SES Misfiring DTC P0300 My hunch is.....
  200. Oil cooler line leak, 4.6 N*
  201. Tightening time saver and accuracy improved with simple trick
  202. It Happened,the dreaded overheat!
  203. Oil pump - what is the grove and the port for
  204. Any performance parts for the N*?
  205. Intermediate timeing chain shaft - O ring?
  206. 98 Eldo N* 4.6 Overheating
  207. ZEX ordered....
  208. Latest head bolt tightening spec?
  209. Corsa scrwwed me over!
  210. Help with emissions system
  211. Supercharged Northstar
  212. Bbob?? Could you look at this Link?
  213. My water pump belt is dancing around...
  214. Belt Tensioner Condition - Bboby?
  215. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  216. '98 deville idle
  217. intake kit
  218. WOT advice
  219. SeaFoam Opinions...
  220. GXP-ify my sts?
  221. caprice vs Seville sts
  222. water pump/thermostat crossover housing leaking again
  223. Oil in spark plug chamber, How Bad Is This?
  224. Bizarre Coolant- A/C problem 98 Deville!!!
  225. Anybody got a stock calpack?
  226. Question about climate control.
  227. Remanufactured Northstar Engine
  228. 98 eldo jerking while stopped
  229. Dex Cool.....What going on?
  230. Compression test results 98 Seville
  231. Failed emissions test
  232. just bought 97 eldo std.
  233. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  234. Low Coolant Level
  235. Alternative to Platinum Plugs?
  236. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  237. Northstar oilpan
  238. 95 deville blown head gasket
  239. 3 qts oil in 3000 miles?
  240. 5% discount on parts!
  241. Things I should do when changing engines
  242. egr bench test / disassembly ?
  243. '98 cam to waterpump belt
  244. direct flow air filter intake
  245. belt
  246. Transmission Problem Not Sure Need Help Bad!!!!!!!
  247. Dex Cool is eating the gaskets?!!!
  248. 2003 SLS ECM code: DTC "P0300
  249. Cleaning fuel injectors
  250. Oversize pistons? Undersize bearings?