: Northstar Engines and System Technical Discussion



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  1. what is the conditioner called to add to the radiator coolant??
  2. Toyota MR2 powered by...Northstar
  3. Northstar Twin Turbo...
  4. A helicopter powered by...Northstar engine
  5. A guy with TWO N* engines in his Caddy...The TwinStar
  6. A guy with a turbocharged Northstar powered Fiero...
  7. Found: Northstar Engine Info:
  8. Hi, new here with q on a 99 Eld.
  9. Running Rich?????
  10. Spark Plug Replacement
  11. Cooling System Hoses
  12. 95 STS Crank sensor,location ??? help
  13. engine braking a la overrun clutch
  14. Best Price/ Dealer for Time-serts?
  15. Looking for Northstar Parts!
  16. accuracy of temp sensor???? please help
  17. Oil Seal Tool ?
  18. Help need info.
  19. 94 Caddy Concours Tranny/Linkage?
  20. Need help with '94 STS codes
  21. P022 code TPS open
  22. where can i buy rear control arm bushings?
  23. Replacing Timeserts in 96 Eldorado
  24. N* hp over the years...
  25. Installing Oil Pressure Gauge???
  26. 97 Deville ran 278 Degrees..any chance i did not blow the heads?"
  27. 97 DeVille Concours still runnin hot
  28. HELP! Need serpentine belt diagram
  29. Vacuum pressure
  30. old engine, bad engine?
  31. 95 Cadillac Seville Northstar 4.6 V8 Swap...
  32. P0609 - help
  33. Shift Solenoids A & B, Need some Help!
  34. What do these codes mean in plain english ?
  35. N* performance help
  36. Northstar stud problem
  37. Noisy Northstar
  38. northstar swap?
  39. Transmission NIGHTMARE
  40. '94 SLS, 4.6L, how do you set the cam alignment?
  41. 1993 Eldo...ALL THE OIL CAME OUT
  42. what engine years will fit my 94 sls?
  43. A question on diagnostic codes
  44. tires for 99 STS??
  45. taking off oil pan?
  46. Update on PCM gone Loco
  47. Overheating: correct diagnostics
  48. N* Power Steering Pump Pressurizing
  49. 95 Northstart Leaking Coolant
  50. What next? PCM shot or something I'm missing? Please help.
  51. Oil Pressure Drop on V8 NS
  52. looking for some new ideas and help with northstar motor
  53. Backfire and smoke under the Hood
  54. Northstar/HotRod/Blower
  55. 1996 ESC 40K, Does Trans-fluid need changing?
  56. Help Needed - 95 SLS Stalls then won't idle or Revs Like Crazy! Lots of codes!
  57. Code Question for a 2000 deville north*.
  58. Can I swap an 02 N*into my 98 STS?
  59. Sorry Caddy Dudes!
  60. 97 N* low oil pressure light flickering
  61. 1996 Northstar Excess Fuel Consumption
  62. 94 SLS questions
  63. Northstar Swap question
  64. Can someone tell me what these codes mean?
  65. p076 presure solenoid problem
  66. northstar oil consumtion
  67. Compass reads incorrect sometimes?
  68. "Normal" Northstar Coolant Operating Temp?
  69. 1999 Deville trouble codes
  70. 97 STS Code Info U1027
  71. supercharger for the Northstar
  72. Radiator leak...how much $$$?
  73. '94 SLS Head bolt Torque value?
  74. stalling
  75. 4T80E shift algorhythm logic -- what are the facts?
  76. Oil Leak
  77. Overfill oil in northstar, keep reading bad stuff
  78. Changed starter, now very hard start, run, white smoke.
  79. '94 STS rattle
  80. '94 SLS smoking bad
  81. Bad idle and deacceleration
  82. '94 DeVille Concours North*
  83. Factory air intake box question
  84. Stop Engine Low Oil Presssure
  85. Northstar losing oil
  86. Pcm Gone Loco?
  87. Concours '94 Problem
  88. P 025 code - 1995 STS
  89. Headgasket/temperatute swings
  90. Help with ACM codes please.
  91. Can a headgasket happen even with frequent coolant changes & if it never overheated?
  92. Exhaust manifold on N* 4.6
  93. Ect???
  94. 95 SLS Ruff Start (metal on metal)
  95. Gas Pedal Tapping When Engine Shut's Off
  96. 1995 Eldorado Northstar Engine Skips
  97. 99SLS Ruff idle when started
  98. 94 sts spark Plugs
  99. Shift Solenoid Problem help!!!!
  100. Would Magnaflows help MPG?
  101. Intake manifold gasket replacement...special tool?
  102. Factory Service Manual
  103. Oil change at 3K or when oil life=10%?
  104. blown head gasket
  105. Oil Life Monitor
  106. 95 NS chip burner
  107. If anyone needs a N* Deville & Protection
  108. Northstar overheating!
  109. 94 Seville STS service
  110. N* Headbolt Torque
  111. Quick code help please
  112. 97 n* rough idle
  113. Cylinder pressure test unsuccessful-missing something?
  114. O2 Sensors for 97 STS
  115. temp for n*
  116. Drumming up support...
  117. mechanic recommends oil additive
  118. How to turn engine to TDC w/ plugs out
  119. 1994 Concours exhaust diameter
  120. misfires @ idle & WOT, no codes
  121. Why Does My Engine Shift very Hard when hot? (No Codes)
  122. Raring to go
  123. NorthStar Oil leak
  124. How to air pressure test cylinder?
  125. 4t80e no codes, limp mode
  126. Where can i find a cheap N*
  127. Sounds that a N* engine bay should make
  128. Slight Fuel smell on startup.
  129. Need TSB 3179 and info on Service PROM
  130. intermittent chirping under the hood, at poweroff...
  131. N* Headbolt Torque Protocol
  132. life of Northstar?
  133. plug the plug or leave it open
  134. WTF Belt tensionner squeel?!?
  135. I Have a Question about my transmission fluid?
  136. Flush/Drain Coolant
  137. Cooling/overheating issue
  138. Code p1189 ????
  139. 97' DeVille Northstar overheating
  140. So, how did N* ended up in a Cadillac's engine bay?
  141. My Exhaust sound...Listen!
  142. Whos idea was it to mount the N* sideways?
  143. 97 deville trouble code help me
  144. Digital MPG read outs
  145. exhaust volume
  146. '01 STS Piston and Ring Replacement
  147. This is a long-shot, just maybe...
  148. A/C issue!!!! again
  149. Turbonator, Tornado????
  150. 96 Deville T.b. And Egr Cleaning
  151. If anyone is interested in buying an Engine
  152. Catalyst melted. Why?
  153. random spring & washer after oil change.
  154. 96 Concours Northstar W/PC0240 Code
  155. New Cluster - Help
  156. Northstar Transplant?
  157. 360 HP reman N*....BBob what's your take?
  158. Gasket blown - other work while there?
  159. Northstar threw a rod, hole in lower block. Rebuildable?
  160. Help
  161. Northstar drinking coolant - need advice
  162. Blown NorthStar
  163. Remove N* eng from top or Pwrtrn out Btm?
  164. car stalls at light ?
  165. So what's wrong with FWD?
  166. Performace Module???
  167. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  168. Cam Position Sensor
  169. Dammm
  170. O2 sensor Question - bboby?
  171. 98 northstar cooling system
  172. 94 Sts A/c Problems Need Help
  173. 97 Deville. P0131 - what does this tell the computere
  174. Kicking coolant out the overflow hose on the surge tank
  175. No coolant supplement pellets available here.
  176. pan seal ??????
  177. Case 1/2 seal Question
  178. 94 Concours Need Help Big Time
  179. 97 Aurora with Northstar engine..Head gasket problem!
  180. transient powertrain "slack" when engaging??
  181. road trip spec's
  182. SELLING my Cadillac Deville DTS ------
  183. new head gasket sealant and bolt sealant
  184. CHANGE OIL message after new WATER PUMP installed
  185. would WOT's get rid of this code?
  186. Midthrottle surge...
  187. schematics 95 SLS water pump
  188. Dead Eldorado
  189. question about mixing of octane at the pump
  190. Using 20w50 oil in N* 99STS
  191. Need help quick - 2000 vs 99 injectors
  192. the STS almost doesnt start...any ideas?
  193. P0171 - P0174
  194. Doing First Tune Up
  195. Transmission service at the dealer?
  196. best choice?
  197. CAT = good and ?
  198. 4 cylinder Northstar - 97 DeVille
  199. RWD N* Project update
  200. 97 STS Cranks but doesn't start - error codes
  201. small tweaks that help or not?
  202. Running ragged p0300....
  203. 97 Deville - Sensor trouble, Running poor
  204. bad dealer
  205. No pressure on hoses
  206. Test for cam position sensors 98+?
  207. stuck at this part
  208. 96 SLS sometimes hard to start
  209. low (or no) oil pressure
  210. 94 Seville not starting
  211. drag strip times
  212. Coil Packs
  213. Rattling catalytic converter on n*
  214. Rear Speed Sensors Disconnected... On Purpose?
  215. N* ring end gap?
  216. 97 deville p420 code
  217. GOT CODES? I DO & IT SUCKS!!
  218. 2000 dhs plugs
  219. cooling fans
  220. Plugs/Wires check! EGR check! Phenolic plates???
  221. mud like residue in surge tank....
  222. seafoam
  223. idle? and mpg?
  224. northstar turbo
  225. '99 STS Temperature Problem ?
  226. No pressure in expansion tank
  227. Spark plug torque N*
  228. what hose do you drain coolant from? top or bottom?
  229. Changing Throttle bodies on my N*? Proceedure!
  230. how much dex cool and distilled water?
  231. 05 STS V8 Oil filter
  232. Best Oil Change Chain?
  233. engine managament/swap in jeep
  234. Forged crankshaft for N*
  235. Need "New" Northstar
  236. LT5 Vs Early Northstar
  237. 96 SLS Electrical Problems?
  238. Headgaskets?
  239. Twin Turbo or Supercharged...
  240. Mobil 5000, Conventional Oil?
  241. How to pull this out ?
  242. Oil leak!
  243. Rebuild bearings
  244. Engine Surge/Hesitate
  245. 2000 STS Spark Plug Thread Repair
  246. Hey BBOB (and others), was the LT1 ever considered
  247. oil change for 2001 cadi deville
  248. Phenolic Spacer Plates
  249. Cranks 5-10 seconds now, what's up?
  250. 96 STS N* squeaky pulley!?!?