: Northstar Engines and System Technical Discussion



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  1. Northstar question!
  2. Can we get a moment of silence...
  3. air filter in a 1999 Deville
  4. So far I'm not thrilled
  5. Misfire and coils
  6. OBD2 Code RSM0038???
  7. Missfire - NEED HELP
  8. P036 & P056?
  9. Service Engine Soon? No apparent problems
  10. Replaced plug wires and plugs still misfire code
  11. I want more power out of my Northstar
  12. Is there any update on a head gasket sealer that works?
  13. What happened?
  14. Infinitely better than the 'turbonoter'!
  15. Headgasket change ????
  16. Motor Noise
  17. best oil for the 96 northstar 133000 miles
  18. northstar oil leak issues
  19. Where can I cash in a blown PCM core?
  20. hole in the block!!!!!!!!!!
  21. Intake Manifold removal
  22. 96 Edlo Cranks will not start
  23. Lower temp stat & fan sensor?
  24. 93 Allante Northstar oil leak
  25. Guide to replace water pump...
  26. Surge tank
  27. Dex Cool
  28. My crank pulley is wobbling...
  29. Throttle Body Question...
  30. oil pressure light
  31. General Northstar info needed
  32. overheating
  33. bad smell and smoke
  34. How do i clean the heads on my aluminum block?
  35. Dex-cool controversy
  36. what year engine is this!
  37. gasket
  38. NEW (used) Cadillac Owner Deville Northstar 32V
  39. Overheating '99 D'Elegance, need to sell....
  40. headgasket blown?
  41. 1996 cadillac deville for sale
  42. Shift solonoid ?, not like in thread below
  43. 97 eldorado etc with a stumble
  44. do I need two sets of timeserts?
  45. Trouble starting once engine is warm
  46. coolant level
  47. Ok computer genius!! I need you help please
  48. removing northstar engine AC COMPRESSOR question
  49. Intermittant detonation
  50. n*Headgasket Diag. the Hardway
  51. Using 1st, 2nd, 3rd gears in 99' STS
  52. Northstar 1993 Explosion - Urgent Need
  53. having a starting problem on my 94 sls
  54. '95 Northstar into a '94?
  55. NorthStar reliability?
  56. Leaking Coolant, where is it coming from?
  57. Removing the front valve cover on 98 N*???
  58. Low battery voltage causing hard starts ?
  59. new server with past informative posts
  60. Oil Leak Question
  61. service.gm.com username/password
  62. Slipping out of overdrive and P094 code
  63. will 99 n* spark plug wires fit 97 n* ???
  64. Update on my 99' Eldo issues.. and thanks
  65. 97 DeVille Concours low oil pressure stop engine???
  66. sensor names?!?!?!
  67. Cost of rebuilding transmission?
  68. 99 STS Engine Temp Sensor problem
  69. New Owner, 97 Eldo, A Few Thoughts And Questions
  70. what is the conditioner called to add to the radiator coolant??
  71. Toyota MR2 powered by...Northstar
  72. Northstar Twin Turbo...
  73. A helicopter powered by...Northstar engine
  74. A guy with TWO N* engines in his Caddy...The TwinStar
  75. A guy with a turbocharged Northstar powered Fiero...
  76. Found: Northstar Engine Info:
  77. Hi, new here with q on a 99 Eld.
  78. Running Rich?????
  79. Spark Plug Replacement
  80. Cooling System Hoses
  81. 95 STS Crank sensor,location ??? help
  82. engine braking a la overrun clutch
  83. Best Price/ Dealer for Time-serts?
  84. Looking for Northstar Parts!
  85. accuracy of temp sensor???? please help
  86. Oil Seal Tool ?
  87. Help need info.
  88. 94 Caddy Concours Tranny/Linkage?
  89. Need help with '94 STS codes
  90. P022 code TPS open
  91. where can i buy rear control arm bushings?
  92. Replacing Timeserts in 96 Eldorado
  93. N* hp over the years...
  94. Installing Oil Pressure Gauge???
  95. 97 Deville ran 278 Degrees..any chance i did not blow the heads?"
  96. 97 DeVille Concours still runnin hot
  97. HELP! Need serpentine belt diagram
  98. Vacuum pressure
  99. old engine, bad engine?
  100. 95 Cadillac Seville Northstar 4.6 V8 Swap...
  101. P0609 - help
  102. Shift Solenoids A & B, Need some Help!
  103. What do these codes mean in plain english ?
  104. N* performance help
  105. Northstar stud problem
  106. Noisy Northstar
  107. northstar swap?
  108. Transmission NIGHTMARE
  109. '94 SLS, 4.6L, how do you set the cam alignment?
  110. 1993 Eldo...ALL THE OIL CAME OUT
  111. what engine years will fit my 94 sls?
  112. A question on diagnostic codes
  113. tires for 99 STS??
  114. taking off oil pan?
  115. Update on PCM gone Loco
  116. Overheating: correct diagnostics
  117. N* Power Steering Pump Pressurizing
  118. 95 Northstart Leaking Coolant
  119. What next? PCM shot or something I'm missing? Please help.
  120. Oil Pressure Drop on V8 NS
  121. looking for some new ideas and help with northstar motor
  122. Backfire and smoke under the Hood
  123. Northstar/HotRod/Blower
  124. 1996 ESC 40K, Does Trans-fluid need changing?
  125. Help Needed - 95 SLS Stalls then won't idle or Revs Like Crazy! Lots of codes!
  126. Code Question for a 2000 deville north*.
  127. Can I swap an 02 N*into my 98 STS?
  128. Sorry Caddy Dudes!
  129. 97 N* low oil pressure light flickering
  130. 1996 Northstar Excess Fuel Consumption
  131. 94 SLS questions
  132. Northstar Swap question
  133. Can someone tell me what these codes mean?
  134. p076 presure solenoid problem
  135. northstar oil consumtion
  136. Compass reads incorrect sometimes?
  137. "Normal" Northstar Coolant Operating Temp?
  138. 1999 Deville trouble codes
  139. 97 STS Code Info U1027
  140. supercharger for the Northstar
  141. Radiator leak...how much $$$?
  142. '94 SLS Head bolt Torque value?
  143. stalling
  144. 4T80E shift algorhythm logic -- what are the facts?
  145. Oil Leak
  146. Overfill oil in northstar, keep reading bad stuff
  147. Changed starter, now very hard start, run, white smoke.
  148. '94 STS rattle
  149. '94 SLS smoking bad
  150. Bad idle and deacceleration
  151. '94 DeVille Concours North*
  152. Factory air intake box question
  153. Stop Engine Low Oil Presssure
  154. Northstar losing oil
  155. Pcm Gone Loco?
  156. Concours '94 Problem
  157. P 025 code - 1995 STS
  158. Headgasket/temperatute swings
  159. Help with ACM codes please.
  160. Can a headgasket happen even with frequent coolant changes & if it never overheated?
  161. Exhaust manifold on N* 4.6
  162. Ect???
  163. 95 SLS Ruff Start (metal on metal)
  164. Gas Pedal Tapping When Engine Shut's Off
  165. 1995 Eldorado Northstar Engine Skips
  166. 99SLS Ruff idle when started
  167. 94 sts spark Plugs
  168. Shift Solenoid Problem help!!!!
  169. Would Magnaflows help MPG?
  170. Intake manifold gasket replacement...special tool?
  171. Factory Service Manual
  172. Oil change at 3K or when oil life=10%?
  173. blown head gasket
  174. Oil Life Monitor
  175. 95 NS chip burner
  176. If anyone needs a N* Deville & Protection
  177. Northstar overheating!
  178. 94 Seville STS service
  179. N* Headbolt Torque
  180. Quick code help please
  181. 97 n* rough idle
  182. Cylinder pressure test unsuccessful-missing something?
  183. O2 Sensors for 97 STS
  184. temp for n*
  185. Drumming up support...
  186. mechanic recommends oil additive
  187. How to turn engine to TDC w/ plugs out
  188. 1994 Concours exhaust diameter
  189. misfires @ idle & WOT, no codes
  190. Why Does My Engine Shift very Hard when hot? (No Codes)
  191. Raring to go
  192. NorthStar Oil leak
  193. How to air pressure test cylinder?
  194. 4t80e no codes, limp mode
  195. Where can i find a cheap N*
  196. Sounds that a N* engine bay should make
  197. Slight Fuel smell on startup.
  198. Need TSB 3179 and info on Service PROM
  199. intermittent chirping under the hood, at poweroff...
  200. N* Headbolt Torque Protocol
  201. life of Northstar?
  202. plug the plug or leave it open
  203. WTF Belt tensionner squeel?!?
  204. I Have a Question about my transmission fluid?
  205. Flush/Drain Coolant
  206. Cooling/overheating issue
  207. Code p1189 ????
  208. 97' DeVille Northstar overheating
  209. So, how did N* ended up in a Cadillac's engine bay?
  210. My Exhaust sound...Listen!
  211. Whos idea was it to mount the N* sideways?
  212. 97 deville trouble code help me
  213. Digital MPG read outs
  214. exhaust volume
  215. '01 STS Piston and Ring Replacement
  216. This is a long-shot, just maybe...
  217. A/C issue!!!! again
  218. Turbonator, Tornado????
  219. 96 Deville T.b. And Egr Cleaning
  220. If anyone is interested in buying an Engine
  221. Catalyst melted. Why?
  222. random spring & washer after oil change.
  223. 96 Concours Northstar W/PC0240 Code
  224. New Cluster - Help
  225. Northstar Transplant?
  226. 360 HP reman N*....BBob what's your take?
  227. Gasket blown - other work while there?
  228. Northstar threw a rod, hole in lower block. Rebuildable?
  229. Help
  230. Northstar drinking coolant - need advice
  231. Blown NorthStar
  232. Remove N* eng from top or Pwrtrn out Btm?
  233. car stalls at light ?
  234. So what's wrong with FWD?
  235. Performace Module???
  236. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  237. Cam Position Sensor
  238. Dammm
  239. O2 sensor Question - bboby?
  240. 98 northstar cooling system
  241. 94 Sts A/c Problems Need Help
  242. 97 Deville. P0131 - what does this tell the computere
  243. Kicking coolant out the overflow hose on the surge tank
  244. No coolant supplement pellets available here.
  245. pan seal ??????
  246. Case 1/2 seal Question
  247. 94 Concours Need Help Big Time
  248. 97 Aurora with Northstar engine..Head gasket problem!
  249. transient powertrain "slack" when engaging??
  250. road trip spec's