: Northstar Engines and System Technical Discussion



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  1. Pictures of relocated PCM
  2. Reverse (ing) ...
  3. ??Smoking 96DeVille??
  4. head bolt torque settings
  5. Quick Oil Change Question....
  6. 01 STS stalls when stoped at light!
  7. getting the O2 sensor changed
  8. Fram Sure Drain
  9. Engine noise
  10. Piggyback computer is installed
  11. 98 Head Gasket Job
  12. 1993 Northstar
  13. 1998 Northstar For Sell
  14. 2002 DTS Spark Plugs
  15. Time serts pulling out of block
  16. 94 running hot!?????
  17. Tricky
  18. Old Fuel Rail Vs. New Fuel Rail
  19. Oil Leaks
  20. Found used NS, need advice.....
  21. Anyone else's N* tick at idle?
  22. Fuel Pressure Regulator and hot start problems
  23. HiPo Northstars in the house?
  24. Deville 96 Coolant leaking ...
  25. 1993 STS Rough Idle
  26. Oil pan bolt torque
  27. 96 Deville Northstar, No Oil Pressure out of the blue.
  28. So K&N air filter is no good?
  29. 93 Eldorado
  30. 98 deville hard starting
  31. check transmission message
  32. 99 deville/Northstar
  33. Opinions Needed
  34. Coolant supplement tabs not added at coolant change. Now what???
  35. 55.6 mpg
  36. 89in-lb? Seriously?
  37. transmission oil loss
  38. lean fuel mixture
  39. Has anybody bothered to check their Calculated Octane Rating on their OBDI Northstar?
  40. 98 STS airbox mod?
  41. cable acting up, white smoke 94 sls
  42. Trans Fluid Change Question
  43. Can anyone tell me if I have a bad head gasket
  44. Regular vs Premium Gas
  45. Po39
  46. My cheap-ass tune up
  47. head gasket and engine in-vehicle possible?
  48. 95 seville starter help!! plz look
  49. Possible Idling Problem?
  50. lifting out the '94 northstar.. please take a look
  51. My Nitrous project is under way...
  52. trans. leak
  53. c
  54. Coolant leak 98 DeVille and desparate
  55. Coolant leak and desparate
  56. Spark Plugs
  57. How about Eldo Performance Mods?
  58. new radiator, now engine overheats
  59. new radiator, now engine overheats
  60. Parts lookup by GM part #?? is it possible?
  61. Flushing 4T80E....how many quarts of fluid?
  62. changing PCValve on 94 eldorado
  63. Error code P035
  64. pull engine from the top in sections ?
  65. Sharp right turn=Puff of blue smoke!
  66. inside radiator leak/transmission leak?
  67. 93 Eldorado 4.6 Northstar "chuggle"
  68. high trans line pressure
  69. Firing order
  70. Northstar question!
  71. Can we get a moment of silence...
  72. air filter in a 1999 Deville
  73. So far I'm not thrilled
  74. Misfire and coils
  75. OBD2 Code RSM0038???
  76. Missfire - NEED HELP
  77. P036 & P056?
  78. Service Engine Soon? No apparent problems
  79. Replaced plug wires and plugs still misfire code
  80. I want more power out of my Northstar
  81. Is there any update on a head gasket sealer that works?
  82. What happened?
  83. Infinitely better than the 'turbonoter'!
  84. Headgasket change ????
  85. Motor Noise
  86. best oil for the 96 northstar 133000 miles
  87. northstar oil leak issues
  88. Where can I cash in a blown PCM core?
  89. hole in the block!!!!!!!!!!
  90. Intake Manifold removal
  91. 96 Edlo Cranks will not start
  92. Lower temp stat & fan sensor?
  93. 93 Allante Northstar oil leak
  94. Guide to replace water pump...
  95. Surge tank
  96. Dex Cool
  97. My crank pulley is wobbling...
  98. Throttle Body Question...
  99. oil pressure light
  100. General Northstar info needed
  101. overheating
  102. bad smell and smoke
  103. How do i clean the heads on my aluminum block?
  104. Dex-cool controversy
  105. what year engine is this!
  106. gasket
  107. NEW (used) Cadillac Owner Deville Northstar 32V
  108. Overheating '99 D'Elegance, need to sell....
  109. headgasket blown?
  110. 1996 cadillac deville for sale
  111. Shift solonoid ?, not like in thread below
  112. 97 eldorado etc with a stumble
  113. do I need two sets of timeserts?
  114. Trouble starting once engine is warm
  115. coolant level
  116. Ok computer genius!! I need you help please
  117. removing northstar engine AC COMPRESSOR question
  118. Intermittant detonation
  119. n*Headgasket Diag. the Hardway
  120. Using 1st, 2nd, 3rd gears in 99' STS
  121. Northstar 1993 Explosion - Urgent Need
  122. having a starting problem on my 94 sls
  123. '95 Northstar into a '94?
  124. NorthStar reliability?
  125. Leaking Coolant, where is it coming from?
  126. Removing the front valve cover on 98 N*???
  127. Low battery voltage causing hard starts ?
  128. new server with past informative posts
  129. Oil Leak Question
  130. service.gm.com username/password
  131. Slipping out of overdrive and P094 code
  132. will 99 n* spark plug wires fit 97 n* ???
  133. Update on my 99' Eldo issues.. and thanks
  134. 97 DeVille Concours low oil pressure stop engine???
  135. sensor names?!?!?!
  136. Cost of rebuilding transmission?
  137. 99 STS Engine Temp Sensor problem
  138. New Owner, 97 Eldo, A Few Thoughts And Questions
  139. what is the conditioner called to add to the radiator coolant??
  140. Toyota MR2 powered by...Northstar
  141. Northstar Twin Turbo...
  142. A helicopter powered by...Northstar engine
  143. A guy with TWO N* engines in his Caddy...The TwinStar
  144. A guy with a turbocharged Northstar powered Fiero...
  145. Found: Northstar Engine Info:
  146. Hi, new here with q on a 99 Eld.
  147. Running Rich?????
  148. Spark Plug Replacement
  149. Cooling System Hoses
  150. 95 STS Crank sensor,location ??? help
  151. engine braking a la overrun clutch
  152. Best Price/ Dealer for Time-serts?
  153. Looking for Northstar Parts!
  154. accuracy of temp sensor???? please help
  155. Oil Seal Tool ?
  156. Help need info.
  157. 94 Caddy Concours Tranny/Linkage?
  158. Need help with '94 STS codes
  159. P022 code TPS open
  160. where can i buy rear control arm bushings?
  161. Replacing Timeserts in 96 Eldorado
  162. N* hp over the years...
  163. Installing Oil Pressure Gauge???
  164. 97 Deville ran 278 Degrees..any chance i did not blow the heads?"
  165. 97 DeVille Concours still runnin hot
  166. HELP! Need serpentine belt diagram
  167. Vacuum pressure
  168. old engine, bad engine?
  169. 95 Cadillac Seville Northstar 4.6 V8 Swap...
  170. P0609 - help
  171. Shift Solenoids A & B, Need some Help!
  172. What do these codes mean in plain english ?
  173. N* performance help
  174. Northstar stud problem
  175. Noisy Northstar
  176. northstar swap?
  177. Transmission NIGHTMARE
  178. '94 SLS, 4.6L, how do you set the cam alignment?
  179. 1993 Eldo...ALL THE OIL CAME OUT
  180. what engine years will fit my 94 sls?
  181. A question on diagnostic codes
  182. tires for 99 STS??
  183. taking off oil pan?
  184. Update on PCM gone Loco
  185. Overheating: correct diagnostics
  186. N* Power Steering Pump Pressurizing
  187. 95 Northstart Leaking Coolant
  188. What next? PCM shot or something I'm missing? Please help.
  189. Oil Pressure Drop on V8 NS
  190. looking for some new ideas and help with northstar motor
  191. Backfire and smoke under the Hood
  192. Northstar/HotRod/Blower
  193. 1996 ESC 40K, Does Trans-fluid need changing?
  194. Help Needed - 95 SLS Stalls then won't idle or Revs Like Crazy! Lots of codes!
  195. Code Question for a 2000 deville north*.
  196. Can I swap an 02 N*into my 98 STS?
  197. Sorry Caddy Dudes!
  198. 97 N* low oil pressure light flickering
  199. 1996 Northstar Excess Fuel Consumption
  200. 94 SLS questions
  201. Northstar Swap question
  202. Can someone tell me what these codes mean?
  203. p076 presure solenoid problem
  204. northstar oil consumtion
  205. Compass reads incorrect sometimes?
  206. "Normal" Northstar Coolant Operating Temp?
  207. 1999 Deville trouble codes
  208. 97 STS Code Info U1027
  209. supercharger for the Northstar
  210. Radiator leak...how much $$$?
  211. '94 SLS Head bolt Torque value?
  212. stalling
  213. 4T80E shift algorhythm logic -- what are the facts?
  214. Oil Leak
  215. Overfill oil in northstar, keep reading bad stuff
  216. Changed starter, now very hard start, run, white smoke.
  217. '94 STS rattle
  218. '94 SLS smoking bad
  219. Bad idle and deacceleration
  220. '94 DeVille Concours North*
  221. Factory air intake box question
  222. Stop Engine Low Oil Presssure
  223. Northstar losing oil
  224. Pcm Gone Loco?
  225. Concours '94 Problem
  226. P 025 code - 1995 STS
  227. Headgasket/temperatute swings
  228. Help with ACM codes please.
  229. Can a headgasket happen even with frequent coolant changes & if it never overheated?
  230. Exhaust manifold on N* 4.6
  231. Ect???
  232. 95 SLS Ruff Start (metal on metal)
  233. Gas Pedal Tapping When Engine Shut's Off
  234. 1995 Eldorado Northstar Engine Skips
  235. 99SLS Ruff idle when started
  236. 94 sts spark Plugs
  237. Shift Solenoid Problem help!!!!
  238. Would Magnaflows help MPG?
  239. Intake manifold gasket replacement...special tool?
  240. Factory Service Manual
  241. Oil change at 3K or when oil life=10%?
  242. blown head gasket
  243. Oil Life Monitor
  244. 95 NS chip burner
  245. If anyone needs a N* Deville & Protection
  246. Northstar overheating!
  247. 94 Seville STS service
  248. N* Headbolt Torque
  249. Quick code help please
  250. 97 n* rough idle