: Northstar Engines and System Technical Discussion



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