: Northstar Engines and System Technical Discussion



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  1. 94 Caddy Concours Tranny/Linkage?
  2. Need help with '94 STS codes
  3. P022 code TPS open
  4. where can i buy rear control arm bushings?
  5. Replacing Timeserts in 96 Eldorado
  6. N* hp over the years...
  7. Installing Oil Pressure Gauge???
  8. 97 Deville ran 278 Degrees..any chance i did not blow the heads?"
  9. 97 DeVille Concours still runnin hot
  10. HELP! Need serpentine belt diagram
  11. Vacuum pressure
  12. old engine, bad engine?
  13. 95 Cadillac Seville Northstar 4.6 V8 Swap...
  14. P0609 - help
  15. Shift Solenoids A & B, Need some Help!
  16. What do these codes mean in plain english ?
  17. N* performance help
  18. Northstar stud problem
  19. Noisy Northstar
  20. northstar swap?
  21. Transmission NIGHTMARE
  22. '94 SLS, 4.6L, how do you set the cam alignment?
  23. 1993 Eldo...ALL THE OIL CAME OUT
  24. what engine years will fit my 94 sls?
  25. A question on diagnostic codes
  26. tires for 99 STS??
  27. taking off oil pan?
  28. Update on PCM gone Loco
  29. Overheating: correct diagnostics
  30. N* Power Steering Pump Pressurizing
  31. 95 Northstart Leaking Coolant
  32. What next? PCM shot or something I'm missing? Please help.
  33. Oil Pressure Drop on V8 NS
  34. looking for some new ideas and help with northstar motor
  35. Backfire and smoke under the Hood
  36. Northstar/HotRod/Blower
  37. 1996 ESC 40K, Does Trans-fluid need changing?
  38. Help Needed - 95 SLS Stalls then won't idle or Revs Like Crazy! Lots of codes!
  39. Code Question for a 2000 deville north*.
  40. Can I swap an 02 N*into my 98 STS?
  41. Sorry Caddy Dudes!
  42. 97 N* low oil pressure light flickering
  43. 1996 Northstar Excess Fuel Consumption
  44. 94 SLS questions
  45. Northstar Swap question
  46. Can someone tell me what these codes mean?
  47. p076 presure solenoid problem
  48. northstar oil consumtion
  49. Compass reads incorrect sometimes?
  50. "Normal" Northstar Coolant Operating Temp?
  51. 1999 Deville trouble codes
  52. 97 STS Code Info U1027
  53. supercharger for the Northstar
  54. Radiator leak...how much $$$?
  55. '94 SLS Head bolt Torque value?
  56. stalling
  57. 4T80E shift algorhythm logic -- what are the facts?
  58. Oil Leak
  59. Overfill oil in northstar, keep reading bad stuff
  60. Changed starter, now very hard start, run, white smoke.
  61. '94 STS rattle
  62. '94 SLS smoking bad
  63. Bad idle and deacceleration
  64. '94 DeVille Concours North*
  65. Factory air intake box question
  66. Stop Engine Low Oil Presssure
  67. Northstar losing oil
  68. Pcm Gone Loco?
  69. Concours '94 Problem
  70. P 025 code - 1995 STS
  71. Headgasket/temperatute swings
  72. Help with ACM codes please.
  73. Can a headgasket happen even with frequent coolant changes & if it never overheated?
  74. Exhaust manifold on N* 4.6
  75. Ect???
  76. 95 SLS Ruff Start (metal on metal)
  77. Gas Pedal Tapping When Engine Shut's Off
  78. 1995 Eldorado Northstar Engine Skips
  79. 99SLS Ruff idle when started
  80. 94 sts spark Plugs
  81. Shift Solenoid Problem help!!!!
  82. Would Magnaflows help MPG?
  83. Intake manifold gasket replacement...special tool?
  84. Factory Service Manual
  85. Oil change at 3K or when oil life=10%?
  86. blown head gasket
  87. Oil Life Monitor
  88. 95 NS chip burner
  89. If anyone needs a N* Deville & Protection
  90. Northstar overheating!
  91. 94 Seville STS service
  92. N* Headbolt Torque
  93. Quick code help please
  94. 97 n* rough idle
  95. Cylinder pressure test unsuccessful-missing something?
  96. O2 Sensors for 97 STS
  97. temp for n*
  98. Drumming up support...
  99. mechanic recommends oil additive
  100. How to turn engine to TDC w/ plugs out
  101. 1994 Concours exhaust diameter
  102. misfires @ idle & WOT, no codes
  103. Why Does My Engine Shift very Hard when hot? (No Codes)
  104. Raring to go
  105. NorthStar Oil leak
  106. How to air pressure test cylinder?
  107. 4t80e no codes, limp mode
  108. Where can i find a cheap N*
  109. Sounds that a N* engine bay should make
  110. Slight Fuel smell on startup.
  111. Need TSB 3179 and info on Service PROM
  112. intermittent chirping under the hood, at poweroff...
  113. N* Headbolt Torque Protocol
  114. life of Northstar?
  115. plug the plug or leave it open
  116. WTF Belt tensionner squeel?!?
  117. I Have a Question about my transmission fluid?
  118. Flush/Drain Coolant
  119. Cooling/overheating issue
  120. Code p1189 ????
  121. 97' DeVille Northstar overheating
  122. So, how did N* ended up in a Cadillac's engine bay?
  123. My Exhaust sound...Listen!
  124. Whos idea was it to mount the N* sideways?
  125. 97 deville trouble code help me
  126. Digital MPG read outs
  127. exhaust volume
  128. '01 STS Piston and Ring Replacement
  129. This is a long-shot, just maybe...
  130. A/C issue!!!! again
  131. Turbonator, Tornado????
  132. 96 Deville T.b. And Egr Cleaning
  133. If anyone is interested in buying an Engine
  134. Catalyst melted. Why?
  135. random spring & washer after oil change.
  136. 96 Concours Northstar W/PC0240 Code
  137. New Cluster - Help
  138. Northstar Transplant?
  139. 360 HP reman N*....BBob what's your take?
  140. Gasket blown - other work while there?
  141. Northstar threw a rod, hole in lower block. Rebuildable?
  142. Help
  143. Northstar drinking coolant - need advice
  144. Blown NorthStar
  145. Remove N* eng from top or Pwrtrn out Btm?
  146. car stalls at light ?
  147. So what's wrong with FWD?
  148. Performace Module???
  149. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  150. Cam Position Sensor
  151. Dammm
  152. O2 sensor Question - bboby?
  153. 98 northstar cooling system
  154. 94 Sts A/c Problems Need Help
  155. 97 Deville. P0131 - what does this tell the computere
  156. Kicking coolant out the overflow hose on the surge tank
  157. No coolant supplement pellets available here.
  158. pan seal ??????
  159. Case 1/2 seal Question
  160. 94 Concours Need Help Big Time
  161. 97 Aurora with Northstar engine..Head gasket problem!
  162. transient powertrain "slack" when engaging??
  163. road trip spec's
  164. SELLING my Cadillac Deville DTS ------
  165. new head gasket sealant and bolt sealant
  166. CHANGE OIL message after new WATER PUMP installed
  167. would WOT's get rid of this code?
  168. Midthrottle surge...
  169. schematics 95 SLS water pump
  170. Dead Eldorado
  171. question about mixing of octane at the pump
  172. Using 20w50 oil in N* 99STS
  173. Need help quick - 2000 vs 99 injectors
  174. the STS almost doesnt start...any ideas?
  175. P0171 - P0174
  176. Doing First Tune Up
  177. Transmission service at the dealer?
  178. best choice?
  179. CAT = good and ?
  180. 4 cylinder Northstar - 97 DeVille
  181. RWD N* Project update
  182. 97 STS Cranks but doesn't start - error codes
  183. small tweaks that help or not?
  184. Running ragged p0300....
  185. 97 Deville - Sensor trouble, Running poor
  186. bad dealer
  187. No pressure on hoses
  188. Test for cam position sensors 98+?
  189. stuck at this part
  190. 96 SLS sometimes hard to start
  191. low (or no) oil pressure
  192. 94 Seville not starting
  193. drag strip times
  194. Coil Packs
  195. Rattling catalytic converter on n*
  196. Rear Speed Sensors Disconnected... On Purpose?
  197. N* ring end gap?
  198. 97 deville p420 code
  199. GOT CODES? I DO & IT SUCKS!!
  200. 2000 dhs plugs
  201. cooling fans
  202. Plugs/Wires check! EGR check! Phenolic plates???
  203. mud like residue in surge tank....
  204. seafoam
  205. idle? and mpg?
  206. northstar turbo
  207. '99 STS Temperature Problem ?
  208. No pressure in expansion tank
  209. Spark plug torque N*
  210. what hose do you drain coolant from? top or bottom?
  211. Changing Throttle bodies on my N*? Proceedure!
  212. how much dex cool and distilled water?
  213. 05 STS V8 Oil filter
  214. Best Oil Change Chain?
  215. engine managament/swap in jeep
  216. Forged crankshaft for N*
  217. Need "New" Northstar
  218. LT5 Vs Early Northstar
  219. 96 SLS Electrical Problems?
  220. Headgaskets?
  221. Twin Turbo or Supercharged...
  222. Mobil 5000, Conventional Oil?
  223. How to pull this out ?
  224. Oil leak!
  225. Rebuild bearings
  226. Engine Surge/Hesitate
  227. 2000 STS Spark Plug Thread Repair
  228. Hey BBOB (and others), was the LT1 ever considered
  229. oil change for 2001 cadi deville
  230. Phenolic Spacer Plates
  231. Cranks 5-10 seconds now, what's up?
  232. 96 STS N* squeaky pulley!?!?
  233. Spark Plug Question
  234. Fuel Pressure Check...
  235. Water Pump Tool?
  236. http://www.dragtimes.com/
  237. 99 STS - Blown Head Gaskets
  238. throttle body and egr tubes
  239. 99 Concourse, just going to buy then clonk
  240. Any Temp Seal For Head gaskets??
  241. Wow, this stinks
  242. Oxygen Sensor
  243. my engine on my 98....
  244. What could the problem be????
  245. OBD Codes
  246. Northstar Exhaust acoustic "tuning", Bbobinsky?
  247. '94 Deville n* h2O pipes behind engine rusted out
  248. Map sensor
  249. Help with codes for the Concourse
  250. problems with 94 deville 4.6L