: Northstar Engines and System Technical Discussion



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