: Northstar Engines and System Technical Discussion



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