: Northstar Engines and System Technical Discussion



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  1. How To Pull Codes (DTC's)
  2. 98 DeVille starting trouble. Help!
  3. Double Flush?
  4. 2000 sls high idle
  5. 1998 Deville Tune-Up confusion
  6. 98 n* head bolts/inserts
  7. 97 Etc Engine Exchange...please Help
  8. 95 ETC Overheating Sometimes??
  9. 97 northstar still overheating
  10. People with stalling problems may want to look at this!!!
  11. NOOB needs some help!!... northstar blown!!!
  12. Loud snapping sound during startup/shutdown
  13. Question on maintanance
  14. Dex-Cool no longer made?
  15. Prestone Super Radiator Flush
  16. Popular choice for spark plugs in my 99 STS???
  17. removing the crank pulley
  18. Post Explosion Roughness
  19. Adjusting Tming (94 concours)
  20. 94 sls whats causing a high idle?!
  21. symtoms of bad wtr pump, 97 concours
  22. EGR valve location
  23. Bottom end/block from another engine?
  24. spark plug wires?
  25. Too Much Spent, Same Problem
  26. 1993 Exploding Intake Plenum
  27. STS Mufflers
  28. Why does dirty TB cause crazy idle?
  29. O2 Sensor
  30. Noisy engine
  31. 100000 mile maintenance
  32. Crank sensors
  33. Pictures of relocated PCM
  34. Reverse (ing) ...
  35. ??Smoking 96DeVille??
  36. head bolt torque settings
  37. Quick Oil Change Question....
  38. 01 STS stalls when stoped at light!
  39. getting the O2 sensor changed
  40. Fram Sure Drain
  41. Engine noise
  42. Piggyback computer is installed
  43. 98 Head Gasket Job
  44. 1993 Northstar
  45. 1998 Northstar For Sell
  46. 2002 DTS Spark Plugs
  47. Time serts pulling out of block
  48. 94 running hot!?????
  49. Tricky
  50. Old Fuel Rail Vs. New Fuel Rail
  51. Oil Leaks
  52. Found used NS, need advice.....
  53. Anyone else's N* tick at idle?
  54. Fuel Pressure Regulator and hot start problems
  55. HiPo Northstars in the house?
  56. Deville 96 Coolant leaking ...
  57. 1993 STS Rough Idle
  58. Oil pan bolt torque
  59. 96 Deville Northstar, No Oil Pressure out of the blue.
  60. So K&N air filter is no good?
  61. 93 Eldorado
  62. 98 deville hard starting
  63. check transmission message
  64. 99 deville/Northstar
  65. Opinions Needed
  66. Coolant supplement tabs not added at coolant change. Now what???
  67. 55.6 mpg
  68. 89in-lb? Seriously?
  69. transmission oil loss
  70. lean fuel mixture
  71. Has anybody bothered to check their Calculated Octane Rating on their OBDI Northstar?
  72. 98 STS airbox mod?
  73. cable acting up, white smoke 94 sls
  74. Trans Fluid Change Question
  75. Can anyone tell me if I have a bad head gasket
  76. Regular vs Premium Gas
  77. Po39
  78. My cheap-ass tune up
  79. head gasket and engine in-vehicle possible?
  80. 95 seville starter help!! plz look
  81. Possible Idling Problem?
  82. lifting out the '94 northstar.. please take a look
  83. My Nitrous project is under way...
  84. trans. leak
  85. c
  86. Coolant leak 98 DeVille and desparate
  87. Coolant leak and desparate
  88. Spark Plugs
  89. How about Eldo Performance Mods?
  90. new radiator, now engine overheats
  91. new radiator, now engine overheats
  92. Parts lookup by GM part #?? is it possible?
  93. Flushing 4T80E....how many quarts of fluid?
  94. changing PCValve on 94 eldorado
  95. Error code P035
  96. pull engine from the top in sections ?
  97. Sharp right turn=Puff of blue smoke!
  98. inside radiator leak/transmission leak?
  99. 93 Eldorado 4.6 Northstar "chuggle"
  100. high trans line pressure
  101. Firing order
  102. Northstar question!
  103. Can we get a moment of silence...
  104. air filter in a 1999 Deville
  105. So far I'm not thrilled
  106. Misfire and coils
  107. OBD2 Code RSM0038???
  108. Missfire - NEED HELP
  109. P036 & P056?
  110. Service Engine Soon? No apparent problems
  111. Replaced plug wires and plugs still misfire code
  112. I want more power out of my Northstar
  113. Is there any update on a head gasket sealer that works?
  114. What happened?
  115. Infinitely better than the 'turbonoter'!
  116. Headgasket change ????
  117. Motor Noise
  118. best oil for the 96 northstar 133000 miles
  119. northstar oil leak issues
  120. Where can I cash in a blown PCM core?
  121. hole in the block!!!!!!!!!!
  122. Intake Manifold removal
  123. 96 Edlo Cranks will not start
  124. Lower temp stat & fan sensor?
  125. 93 Allante Northstar oil leak
  126. Guide to replace water pump...
  127. Surge tank
  128. Dex Cool
  129. My crank pulley is wobbling...
  130. Throttle Body Question...
  131. oil pressure light
  132. General Northstar info needed
  133. overheating
  134. bad smell and smoke
  135. How do i clean the heads on my aluminum block?
  136. Dex-cool controversy
  137. what year engine is this!
  138. gasket
  139. NEW (used) Cadillac Owner Deville Northstar 32V
  140. Overheating '99 D'Elegance, need to sell....
  141. headgasket blown?
  142. 1996 cadillac deville for sale
  143. Shift solonoid ?, not like in thread below
  144. 97 eldorado etc with a stumble
  145. do I need two sets of timeserts?
  146. Trouble starting once engine is warm
  147. coolant level
  148. Ok computer genius!! I need you help please
  149. removing northstar engine AC COMPRESSOR question
  150. Intermittant detonation
  151. n*Headgasket Diag. the Hardway
  152. Using 1st, 2nd, 3rd gears in 99' STS
  153. Northstar 1993 Explosion - Urgent Need
  154. having a starting problem on my 94 sls
  155. '95 Northstar into a '94?
  156. NorthStar reliability?
  157. Leaking Coolant, where is it coming from?
  158. Removing the front valve cover on 98 N*???
  159. Low battery voltage causing hard starts ?
  160. new server with past informative posts
  161. Oil Leak Question
  162. service.gm.com username/password
  163. Slipping out of overdrive and P094 code
  164. will 99 n* spark plug wires fit 97 n* ???
  165. Update on my 99' Eldo issues.. and thanks
  166. 97 DeVille Concours low oil pressure stop engine???
  167. sensor names?!?!?!
  168. Cost of rebuilding transmission?
  169. 99 STS Engine Temp Sensor problem
  170. New Owner, 97 Eldo, A Few Thoughts And Questions
  171. what is the conditioner called to add to the radiator coolant??
  172. Toyota MR2 powered by...Northstar
  173. Northstar Twin Turbo...
  174. A helicopter powered by...Northstar engine
  175. A guy with TWO N* engines in his Caddy...The TwinStar
  176. A guy with a turbocharged Northstar powered Fiero...
  177. Found: Northstar Engine Info:
  178. Hi, new here with q on a 99 Eld.
  179. Running Rich?????
  180. Spark Plug Replacement
  181. Cooling System Hoses
  182. 95 STS Crank sensor,location ??? help
  183. engine braking a la overrun clutch
  184. Best Price/ Dealer for Time-serts?
  185. Looking for Northstar Parts!
  186. accuracy of temp sensor???? please help
  187. Oil Seal Tool ?
  188. Help need info.
  189. 94 Caddy Concours Tranny/Linkage?
  190. Need help with '94 STS codes
  191. P022 code TPS open
  192. where can i buy rear control arm bushings?
  193. Replacing Timeserts in 96 Eldorado
  194. N* hp over the years...
  195. Installing Oil Pressure Gauge???
  196. 97 Deville ran 278 Degrees..any chance i did not blow the heads?"
  197. 97 DeVille Concours still runnin hot
  198. HELP! Need serpentine belt diagram
  199. Vacuum pressure
  200. old engine, bad engine?
  201. 95 Cadillac Seville Northstar 4.6 V8 Swap...
  202. P0609 - help
  203. Shift Solenoids A & B, Need some Help!
  204. What do these codes mean in plain english ?
  205. N* performance help
  206. Northstar stud problem
  207. Noisy Northstar
  208. northstar swap?
  209. Transmission NIGHTMARE
  210. '94 SLS, 4.6L, how do you set the cam alignment?
  211. 1993 Eldo...ALL THE OIL CAME OUT
  212. what engine years will fit my 94 sls?
  213. A question on diagnostic codes
  214. tires for 99 STS??
  215. taking off oil pan?
  216. Update on PCM gone Loco
  217. Overheating: correct diagnostics
  218. N* Power Steering Pump Pressurizing
  219. 95 Northstart Leaking Coolant
  220. What next? PCM shot or something I'm missing? Please help.
  221. Oil Pressure Drop on V8 NS
  222. looking for some new ideas and help with northstar motor
  223. Backfire and smoke under the Hood
  224. Northstar/HotRod/Blower
  225. 1996 ESC 40K, Does Trans-fluid need changing?
  226. Help Needed - 95 SLS Stalls then won't idle or Revs Like Crazy! Lots of codes!
  227. Code Question for a 2000 deville north*.
  228. Can I swap an 02 N*into my 98 STS?
  229. Sorry Caddy Dudes!
  230. 97 N* low oil pressure light flickering
  231. 1996 Northstar Excess Fuel Consumption
  232. 94 SLS questions
  233. Northstar Swap question
  234. Can someone tell me what these codes mean?
  235. p076 presure solenoid problem
  236. northstar oil consumtion
  237. Compass reads incorrect sometimes?
  238. "Normal" Northstar Coolant Operating Temp?
  239. 1999 Deville trouble codes
  240. 97 STS Code Info U1027
  241. supercharger for the Northstar
  242. Radiator leak...how much $$$?
  243. '94 SLS Head bolt Torque value?
  244. stalling
  245. 4T80E shift algorhythm logic -- what are the facts?
  246. Oil Leak
  247. Overfill oil in northstar, keep reading bad stuff
  248. Changed starter, now very hard start, run, white smoke.
  249. '94 STS rattle
  250. '94 SLS smoking bad