: Northstar Engines and System Technical Discussion



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