: Northstar Engines and System Technical Discussion



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  1. Parts lookup by GM part #?? is it possible?
  2. Flushing 4T80E....how many quarts of fluid?
  3. changing PCValve on 94 eldorado
  4. Error code P035
  5. pull engine from the top in sections ?
  6. Sharp right turn=Puff of blue smoke!
  7. inside radiator leak/transmission leak?
  8. 93 Eldorado 4.6 Northstar "chuggle"
  9. high trans line pressure
  10. Firing order
  11. Northstar question!
  12. Can we get a moment of silence...
  13. air filter in a 1999 Deville
  14. So far I'm not thrilled
  15. Misfire and coils
  16. OBD2 Code RSM0038???
  17. Missfire - NEED HELP
  18. P036 & P056?
  19. Service Engine Soon? No apparent problems
  20. Replaced plug wires and plugs still misfire code
  21. I want more power out of my Northstar
  22. Is there any update on a head gasket sealer that works?
  23. What happened?
  24. Infinitely better than the 'turbonoter'!
  25. Headgasket change ????
  26. Motor Noise
  27. best oil for the 96 northstar 133000 miles
  28. northstar oil leak issues
  29. Where can I cash in a blown PCM core?
  30. hole in the block!!!!!!!!!!
  31. Intake Manifold removal
  32. 96 Edlo Cranks will not start
  33. Lower temp stat & fan sensor?
  34. 93 Allante Northstar oil leak
  35. Guide to replace water pump...
  36. Surge tank
  37. Dex Cool
  38. My crank pulley is wobbling...
  39. Throttle Body Question...
  40. oil pressure light
  41. General Northstar info needed
  42. overheating
  43. bad smell and smoke
  44. How do i clean the heads on my aluminum block?
  45. Dex-cool controversy
  46. what year engine is this!
  47. gasket
  48. NEW (used) Cadillac Owner Deville Northstar 32V
  49. Overheating '99 D'Elegance, need to sell....
  50. headgasket blown?
  51. 1996 cadillac deville for sale
  52. Shift solonoid ?, not like in thread below
  53. 97 eldorado etc with a stumble
  54. do I need two sets of timeserts?
  55. Trouble starting once engine is warm
  56. coolant level
  57. Ok computer genius!! I need you help please
  58. removing northstar engine AC COMPRESSOR question
  59. Intermittant detonation
  60. n*Headgasket Diag. the Hardway
  61. Using 1st, 2nd, 3rd gears in 99' STS
  62. Northstar 1993 Explosion - Urgent Need
  63. having a starting problem on my 94 sls
  64. '95 Northstar into a '94?
  65. NorthStar reliability?
  66. Leaking Coolant, where is it coming from?
  67. Removing the front valve cover on 98 N*???
  68. Low battery voltage causing hard starts ?
  69. new server with past informative posts
  70. Oil Leak Question
  71. service.gm.com username/password
  72. Slipping out of overdrive and P094 code
  73. will 99 n* spark plug wires fit 97 n* ???
  74. Update on my 99' Eldo issues.. and thanks
  75. 97 DeVille Concours low oil pressure stop engine???
  76. sensor names?!?!?!
  77. Cost of rebuilding transmission?
  78. 99 STS Engine Temp Sensor problem
  79. New Owner, 97 Eldo, A Few Thoughts And Questions
  80. what is the conditioner called to add to the radiator coolant??
  81. Toyota MR2 powered by...Northstar
  82. Northstar Twin Turbo...
  83. A helicopter powered by...Northstar engine
  84. A guy with TWO N* engines in his Caddy...The TwinStar
  85. A guy with a turbocharged Northstar powered Fiero...
  86. Found: Northstar Engine Info:
  87. Hi, new here with q on a 99 Eld.
  88. Running Rich?????
  89. Spark Plug Replacement
  90. Cooling System Hoses
  91. 95 STS Crank sensor,location ??? help
  92. engine braking a la overrun clutch
  93. Best Price/ Dealer for Time-serts?
  94. Looking for Northstar Parts!
  95. accuracy of temp sensor???? please help
  96. Oil Seal Tool ?
  97. Help need info.
  98. 94 Caddy Concours Tranny/Linkage?
  99. Need help with '94 STS codes
  100. P022 code TPS open
  101. where can i buy rear control arm bushings?
  102. Replacing Timeserts in 96 Eldorado
  103. N* hp over the years...
  104. Installing Oil Pressure Gauge???
  105. 97 Deville ran 278 Degrees..any chance i did not blow the heads?"
  106. 97 DeVille Concours still runnin hot
  107. HELP! Need serpentine belt diagram
  108. Vacuum pressure
  109. old engine, bad engine?
  110. 95 Cadillac Seville Northstar 4.6 V8 Swap...
  111. P0609 - help
  112. Shift Solenoids A & B, Need some Help!
  113. What do these codes mean in plain english ?
  114. N* performance help
  115. Northstar stud problem
  116. Noisy Northstar
  117. northstar swap?
  118. Transmission NIGHTMARE
  119. '94 SLS, 4.6L, how do you set the cam alignment?
  120. 1993 Eldo...ALL THE OIL CAME OUT
  121. what engine years will fit my 94 sls?
  122. A question on diagnostic codes
  123. tires for 99 STS??
  124. taking off oil pan?
  125. Update on PCM gone Loco
  126. Overheating: correct diagnostics
  127. N* Power Steering Pump Pressurizing
  128. 95 Northstart Leaking Coolant
  129. What next? PCM shot or something I'm missing? Please help.
  130. Oil Pressure Drop on V8 NS
  131. looking for some new ideas and help with northstar motor
  132. Backfire and smoke under the Hood
  133. Northstar/HotRod/Blower
  134. 1996 ESC 40K, Does Trans-fluid need changing?
  135. Help Needed - 95 SLS Stalls then won't idle or Revs Like Crazy! Lots of codes!
  136. Code Question for a 2000 deville north*.
  137. Can I swap an 02 N*into my 98 STS?
  138. Sorry Caddy Dudes!
  139. 97 N* low oil pressure light flickering
  140. 1996 Northstar Excess Fuel Consumption
  141. 94 SLS questions
  142. Northstar Swap question
  143. Can someone tell me what these codes mean?
  144. p076 presure solenoid problem
  145. northstar oil consumtion
  146. Compass reads incorrect sometimes?
  147. "Normal" Northstar Coolant Operating Temp?
  148. 1999 Deville trouble codes
  149. 97 STS Code Info U1027
  150. supercharger for the Northstar
  151. Radiator leak...how much $$$?
  152. '94 SLS Head bolt Torque value?
  153. stalling
  154. 4T80E shift algorhythm logic -- what are the facts?
  155. Oil Leak
  156. Overfill oil in northstar, keep reading bad stuff
  157. Changed starter, now very hard start, run, white smoke.
  158. '94 STS rattle
  159. '94 SLS smoking bad
  160. Bad idle and deacceleration
  161. '94 DeVille Concours North*
  162. Factory air intake box question
  163. Stop Engine Low Oil Presssure
  164. Northstar losing oil
  165. Pcm Gone Loco?
  166. Concours '94 Problem
  167. P 025 code - 1995 STS
  168. Headgasket/temperatute swings
  169. Help with ACM codes please.
  170. Can a headgasket happen even with frequent coolant changes & if it never overheated?
  171. Exhaust manifold on N* 4.6
  172. Ect???
  173. 95 SLS Ruff Start (metal on metal)
  174. Gas Pedal Tapping When Engine Shut's Off
  175. 1995 Eldorado Northstar Engine Skips
  176. 99SLS Ruff idle when started
  177. 94 sts spark Plugs
  178. Shift Solenoid Problem help!!!!
  179. Would Magnaflows help MPG?
  180. Intake manifold gasket replacement...special tool?
  181. Factory Service Manual
  182. Oil change at 3K or when oil life=10%?
  183. blown head gasket
  184. Oil Life Monitor
  185. 95 NS chip burner
  186. If anyone needs a N* Deville & Protection
  187. Northstar overheating!
  188. 94 Seville STS service
  189. N* Headbolt Torque
  190. Quick code help please
  191. 97 n* rough idle
  192. Cylinder pressure test unsuccessful-missing something?
  193. O2 Sensors for 97 STS
  194. temp for n*
  195. Drumming up support...
  196. mechanic recommends oil additive
  197. How to turn engine to TDC w/ plugs out
  198. 1994 Concours exhaust diameter
  199. misfires @ idle & WOT, no codes
  200. Why Does My Engine Shift very Hard when hot? (No Codes)
  201. Raring to go
  202. NorthStar Oil leak
  203. How to air pressure test cylinder?
  204. 4t80e no codes, limp mode
  205. Where can i find a cheap N*
  206. Sounds that a N* engine bay should make
  207. Slight Fuel smell on startup.
  208. Need TSB 3179 and info on Service PROM
  209. intermittent chirping under the hood, at poweroff...
  210. N* Headbolt Torque Protocol
  211. life of Northstar?
  212. plug the plug or leave it open
  213. WTF Belt tensionner squeel?!?
  214. I Have a Question about my transmission fluid?
  215. Flush/Drain Coolant
  216. Cooling/overheating issue
  217. Code p1189 ????
  218. 97' DeVille Northstar overheating
  219. So, how did N* ended up in a Cadillac's engine bay?
  220. My Exhaust sound...Listen!
  221. Whos idea was it to mount the N* sideways?
  222. 97 deville trouble code help me
  223. Digital MPG read outs
  224. exhaust volume
  225. '01 STS Piston and Ring Replacement
  226. This is a long-shot, just maybe...
  227. A/C issue!!!! again
  228. Turbonator, Tornado????
  229. 96 Deville T.b. And Egr Cleaning
  230. If anyone is interested in buying an Engine
  231. Catalyst melted. Why?
  232. random spring & washer after oil change.
  233. 96 Concours Northstar W/PC0240 Code
  234. New Cluster - Help
  235. Northstar Transplant?
  236. 360 HP reman N*....BBob what's your take?
  237. Gasket blown - other work while there?
  238. Northstar threw a rod, hole in lower block. Rebuildable?
  239. Help
  240. Northstar drinking coolant - need advice
  241. Blown NorthStar
  242. Remove N* eng from top or Pwrtrn out Btm?
  243. car stalls at light ?
  244. So what's wrong with FWD?
  245. Performace Module???
  246. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  247. Cam Position Sensor
  248. Dammm
  249. O2 sensor Question - bboby?
  250. 98 northstar cooling system