: Northstar Engines and System Technical Discussion



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  1. 93 Allante Northstar oil leak
  2. Guide to replace water pump...
  3. Surge tank
  4. Dex Cool
  5. My crank pulley is wobbling...
  6. Throttle Body Question...
  7. oil pressure light
  8. General Northstar info needed
  9. overheating
  10. bad smell and smoke
  11. How do i clean the heads on my aluminum block?
  12. Dex-cool controversy
  13. what year engine is this!
  14. gasket
  15. NEW (used) Cadillac Owner Deville Northstar 32V
  16. Overheating '99 D'Elegance, need to sell....
  17. headgasket blown?
  18. 1996 cadillac deville for sale
  19. Shift solonoid ?, not like in thread below
  20. 97 eldorado etc with a stumble
  21. do I need two sets of timeserts?
  22. Trouble starting once engine is warm
  23. coolant level
  24. Ok computer genius!! I need you help please
  25. removing northstar engine AC COMPRESSOR question
  26. Intermittant detonation
  27. n*Headgasket Diag. the Hardway
  28. Using 1st, 2nd, 3rd gears in 99' STS
  29. Northstar 1993 Explosion - Urgent Need
  30. having a starting problem on my 94 sls
  31. '95 Northstar into a '94?
  32. NorthStar reliability?
  33. Leaking Coolant, where is it coming from?
  34. Removing the front valve cover on 98 N*???
  35. Low battery voltage causing hard starts ?
  36. new server with past informative posts
  37. Oil Leak Question
  38. service.gm.com username/password
  39. Slipping out of overdrive and P094 code
  40. will 99 n* spark plug wires fit 97 n* ???
  41. Update on my 99' Eldo issues.. and thanks
  42. 97 DeVille Concours low oil pressure stop engine???
  43. sensor names?!?!?!
  44. Cost of rebuilding transmission?
  45. 99 STS Engine Temp Sensor problem
  46. New Owner, 97 Eldo, A Few Thoughts And Questions
  47. what is the conditioner called to add to the radiator coolant??
  48. Toyota MR2 powered by...Northstar
  49. Northstar Twin Turbo...
  50. A helicopter powered by...Northstar engine
  51. A guy with TWO N* engines in his Caddy...The TwinStar
  52. A guy with a turbocharged Northstar powered Fiero...
  53. Found: Northstar Engine Info:
  54. Hi, new here with q on a 99 Eld.
  55. Running Rich?????
  56. Spark Plug Replacement
  57. Cooling System Hoses
  58. 95 STS Crank sensor,location ??? help
  59. engine braking a la overrun clutch
  60. Best Price/ Dealer for Time-serts?
  61. Looking for Northstar Parts!
  62. accuracy of temp sensor???? please help
  63. Oil Seal Tool ?
  64. Help need info.
  65. 94 Caddy Concours Tranny/Linkage?
  66. Need help with '94 STS codes
  67. P022 code TPS open
  68. where can i buy rear control arm bushings?
  69. Replacing Timeserts in 96 Eldorado
  70. N* hp over the years...
  71. Installing Oil Pressure Gauge???
  72. 97 Deville ran 278 Degrees..any chance i did not blow the heads?"
  73. 97 DeVille Concours still runnin hot
  74. HELP! Need serpentine belt diagram
  75. Vacuum pressure
  76. old engine, bad engine?
  77. 95 Cadillac Seville Northstar 4.6 V8 Swap...
  78. P0609 - help
  79. Shift Solenoids A & B, Need some Help!
  80. What do these codes mean in plain english ?
  81. N* performance help
  82. Northstar stud problem
  83. Noisy Northstar
  84. northstar swap?
  85. Transmission NIGHTMARE
  86. '94 SLS, 4.6L, how do you set the cam alignment?
  87. 1993 Eldo...ALL THE OIL CAME OUT
  88. what engine years will fit my 94 sls?
  89. A question on diagnostic codes
  90. tires for 99 STS??
  91. taking off oil pan?
  92. Update on PCM gone Loco
  93. Overheating: correct diagnostics
  94. N* Power Steering Pump Pressurizing
  95. 95 Northstart Leaking Coolant
  96. What next? PCM shot or something I'm missing? Please help.
  97. Oil Pressure Drop on V8 NS
  98. looking for some new ideas and help with northstar motor
  99. Backfire and smoke under the Hood
  100. Northstar/HotRod/Blower
  101. 1996 ESC 40K, Does Trans-fluid need changing?
  102. Help Needed - 95 SLS Stalls then won't idle or Revs Like Crazy! Lots of codes!
  103. Code Question for a 2000 deville north*.
  104. Can I swap an 02 N*into my 98 STS?
  105. Sorry Caddy Dudes!
  106. 97 N* low oil pressure light flickering
  107. 1996 Northstar Excess Fuel Consumption
  108. 94 SLS questions
  109. Northstar Swap question
  110. Can someone tell me what these codes mean?
  111. p076 presure solenoid problem
  112. northstar oil consumtion
  113. Compass reads incorrect sometimes?
  114. "Normal" Northstar Coolant Operating Temp?
  115. 1999 Deville trouble codes
  116. 97 STS Code Info U1027
  117. supercharger for the Northstar
  118. Radiator leak...how much $$$?
  119. '94 SLS Head bolt Torque value?
  120. stalling
  121. 4T80E shift algorhythm logic -- what are the facts?
  122. Oil Leak
  123. Overfill oil in northstar, keep reading bad stuff
  124. Changed starter, now very hard start, run, white smoke.
  125. '94 STS rattle
  126. '94 SLS smoking bad
  127. Bad idle and deacceleration
  128. '94 DeVille Concours North*
  129. Factory air intake box question
  130. Stop Engine Low Oil Presssure
  131. Northstar losing oil
  132. Pcm Gone Loco?
  133. Concours '94 Problem
  134. P 025 code - 1995 STS
  135. Headgasket/temperatute swings
  136. Help with ACM codes please.
  137. Can a headgasket happen even with frequent coolant changes & if it never overheated?
  138. Exhaust manifold on N* 4.6
  139. Ect???
  140. 95 SLS Ruff Start (metal on metal)
  141. Gas Pedal Tapping When Engine Shut's Off
  142. 1995 Eldorado Northstar Engine Skips
  143. 99SLS Ruff idle when started
  144. 94 sts spark Plugs
  145. Shift Solenoid Problem help!!!!
  146. Would Magnaflows help MPG?
  147. Intake manifold gasket replacement...special tool?
  148. Factory Service Manual
  149. Oil change at 3K or when oil life=10%?
  150. blown head gasket
  151. Oil Life Monitor
  152. 95 NS chip burner
  153. If anyone needs a N* Deville & Protection
  154. Northstar overheating!
  155. 94 Seville STS service
  156. N* Headbolt Torque
  157. Quick code help please
  158. 97 n* rough idle
  159. Cylinder pressure test unsuccessful-missing something?
  160. O2 Sensors for 97 STS
  161. temp for n*
  162. Drumming up support...
  163. mechanic recommends oil additive
  164. How to turn engine to TDC w/ plugs out
  165. 1994 Concours exhaust diameter
  166. misfires @ idle & WOT, no codes
  167. Why Does My Engine Shift very Hard when hot? (No Codes)
  168. Raring to go
  169. NorthStar Oil leak
  170. How to air pressure test cylinder?
  171. 4t80e no codes, limp mode
  172. Where can i find a cheap N*
  173. Sounds that a N* engine bay should make
  174. Slight Fuel smell on startup.
  175. Need TSB 3179 and info on Service PROM
  176. intermittent chirping under the hood, at poweroff...
  177. N* Headbolt Torque Protocol
  178. life of Northstar?
  179. plug the plug or leave it open
  180. WTF Belt tensionner squeel?!?
  181. I Have a Question about my transmission fluid?
  182. Flush/Drain Coolant
  183. Cooling/overheating issue
  184. Code p1189 ????
  185. 97' DeVille Northstar overheating
  186. So, how did N* ended up in a Cadillac's engine bay?
  187. My Exhaust sound...Listen!
  188. Whos idea was it to mount the N* sideways?
  189. 97 deville trouble code help me
  190. Digital MPG read outs
  191. exhaust volume
  192. '01 STS Piston and Ring Replacement
  193. This is a long-shot, just maybe...
  194. A/C issue!!!! again
  195. Turbonator, Tornado????
  196. 96 Deville T.b. And Egr Cleaning
  197. If anyone is interested in buying an Engine
  198. Catalyst melted. Why?
  199. random spring & washer after oil change.
  200. 96 Concours Northstar W/PC0240 Code
  201. New Cluster - Help
  202. Northstar Transplant?
  203. 360 HP reman N*....BBob what's your take?
  204. Gasket blown - other work while there?
  205. Northstar threw a rod, hole in lower block. Rebuildable?
  206. Help
  207. Northstar drinking coolant - need advice
  208. Blown NorthStar
  209. Remove N* eng from top or Pwrtrn out Btm?
  210. car stalls at light ?
  211. So what's wrong with FWD?
  212. Performace Module???
  213. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  214. Cam Position Sensor
  215. Dammm
  216. O2 sensor Question - bboby?
  217. 98 northstar cooling system
  218. 94 Sts A/c Problems Need Help
  219. 97 Deville. P0131 - what does this tell the computere
  220. Kicking coolant out the overflow hose on the surge tank
  221. No coolant supplement pellets available here.
  222. pan seal ??????
  223. Case 1/2 seal Question
  224. 94 Concours Need Help Big Time
  225. 97 Aurora with Northstar engine..Head gasket problem!
  226. transient powertrain "slack" when engaging??
  227. road trip spec's
  228. SELLING my Cadillac Deville DTS ------
  229. new head gasket sealant and bolt sealant
  230. CHANGE OIL message after new WATER PUMP installed
  231. would WOT's get rid of this code?
  232. Midthrottle surge...
  233. schematics 95 SLS water pump
  234. Dead Eldorado
  235. question about mixing of octane at the pump
  236. Using 20w50 oil in N* 99STS
  237. Need help quick - 2000 vs 99 injectors
  238. the STS almost doesnt start...any ideas?
  239. P0171 - P0174
  240. Doing First Tune Up
  241. Transmission service at the dealer?
  242. best choice?
  243. CAT = good and ?
  244. 4 cylinder Northstar - 97 DeVille
  245. RWD N* Project update
  246. 97 STS Cranks but doesn't start - error codes
  247. small tweaks that help or not?
  248. Running ragged p0300....
  249. 97 Deville - Sensor trouble, Running poor
  250. bad dealer