: Northstar Engines and System Technical Discussion



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