: Northstar Engines and System Technical Discussion



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  1. 1996 Cadillac DeVille NO CODES ????
  2. Engine code - EOP
  3. Type of engine?
  4. Turbo Charged STS Cadillac
  5. Northstar Cam specs
  6. How can I drive 1000 miles with a coolant leak?
  7. To Rebuild or not.
  8. Do you use dealer for Northstar repairs?
  9. How long do Northstar engines last?
  10. 4.6 northstar fuel pressure?
  11. 150 miles in limp home mode
  12. CKP Question for One of the Techs
  13. Any problems trying 20W-50 in a '97?
  14. New 95' STS owner with tech question
  15. tune up ,whats involved?
  16. Oh shoot...need help ASAP...:(
  17. Radiator Cooling Fans not running
  18. Ram Air! (Maybe)
  19. Engine runs a bit rough during cold winter starts
  20. "break in" period for new Northstar engine
  21. How many miles to you get per tankfull with your north*?
  22. Inserts
  23. GM now offers Premium Remanufactured 4.6L Northstar
  24. 00 to 03 engine in a 98 or 99 Seville.
  25. recommended shop in Toronto/Kitchener area
  26. After head gasket repair engine knocks
  27. transaxel fluid change
  28. N* Injectors and Fuel Pressure Regulator
  29. transaxel filter
  30. 2002 plentum leak
  31. Sts Running Terrible
  32. 96 Cylinder head on 93 block
  33. My car has 121k on it..should I change the trany fluid?
  34. 96 to 99 Eldo, Deville, and 96, 97 Seville Tuning
  35. valve noise at startup
  36. Breaking in a N*
  37. Invisible leak (coolant)
  38. Another seafoam thread
  39. Is there an easy way to change coolant?
  40. what is considered normal coolant temperture for a north*?
  41. please identify mystery black box 01 DTS
  42. Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know
  43. Flushing Radiator
  44. Are there any worthwhile performance mods for the 98 north*?
  45. Was there more then one north* engine in 1998?
  46. Three (3) Codes on 1996 SLS: P1406, P0401, P0108
  47. Northstar Air Consumption.
  48. Eldo Gone....
  49. 4T80-E Transmission Fluid Change - DONE!
  50. P119 - Shorted Fuel Injector Problem
  51. How often do you WOT your north*?
  52. Before i go to beat the crap outta my car - WOT cleaning
  53. denso wires ???
  54. timeserts -so do these things prevent bad head gaskets
  55. Northstar 32 valve good for swap-out?
  56. '94 sts.. ignition coils, ignition control module?
  57. Car will not turn over....
  58. Has anyone ever got the P0741 code?
  59. Are there any good oil additives to add...
  60. I read a post about top tier gasoline....
  61. '95 Concours hard starting when it's cold outside
  62. my service engine soon light is on
  63. bad idea to use 87 octane?
  64. royal purple on a N*
  65. 03 n* and trans in a 99 SLS
  66. What gives the Northstar its "whirring" sound at idle?
  67. 96 sts starter problems, questions?
  68. How would i get a custom pcm?
  69. Beef up a 4.6L NStar?
  70. squeeky serpatine belt *new belt and tensioner*
  71. N* performance
  72. what year was it?
  73. opinions on high flow cats
  74. Gasoline Consumption question
  75. Looking for a Timesert Kit
  76. Engine Performance mods 95 STS
  77. Which oil i need for my 96 eldorado????
  78. How long should I let the N* warm up in the morning?
  79. Timesert Kits?
  80. 1997 SLS (overheating)
  81. Changing brakes on 96 SLS
  82. 2000 dts northstar reliabilty
  83. 2002 ETC Collector-mobile.
  84. What's the difference between the STS and SLS engines?
  85. Internal Mods For Northstar
  86. 99 to 00+ swap differences
  87. stuttering at idle
  88. 1999 Cadillac STS love/hate relationship...
  89. Free Northstar Engine
  90. Help the new guy make a good decision
  91. High Performance Head Gaskets?
  92. Parts ID
  93. Not run for 6 years, what would you do?
  94. 00 PCM on a 99 engine
  95. Blown Headgasket
  96. Aluminum Block porisity
  97. Its Alive
  98. oil life monitor problem
  99. P094 limp mode, no overdrive
  100. Valve Stem Seal Puller
  101. Homemade Valve Spring Compressor
  102. What Should I Pay For Eibachs?
  103. Trans Fluid/Filter change and Coolant drain/refill...
  104. Randomly Creeping High Idle Problem
  105. Stock spark plug wires, 7 or 8 mm?
  106. transmission oil looks dark :S
  107. how many cubic inches
  108. Northstar coil pack firing order
  109. '96 Sls: P1406: Egr
  110. GM Oil Consumption TSB, 2007
  111. Dexcool/Peak coolant
  112. noobie questions
  113. God a northstar sounds sexy, but does something sound odd
  114. Coolant leak...
  115. Northstar motor install
  116. overheating, waterpump? 2002 deville w/ 120k miles
  117. Transmission won't "kickdown" 1994 Eldorado
  118. Blocks cracking on final head torque?
  119. How to remove timeserts?
  120. crankshaft postion sensor
  121. '05 STS - Slipping Transmission at low MPH
  122. rear wheel drive conversion
  123. Cadillac Overheating Issues
  124. humming noise
  125. Clogged vacuum port to fuel pressure regulator
  126. thermostat starting to rise in strange way
  127. overheating , but ez fix?
  128. intermittent "hard start" when car at operating temp
  129. How to tell if block is timeserted?
  130. HELP ME!!!! What is the difference between ECON and Auto
  131. clogged cat = overheating?
  132. 2000-up coil pack crack
  133. 93 sts trans solenoids?
  134. Sealing off a blown head gasket
  135. Rear Main Seal
  136. Oil Life % vs. Reality
  137. Time out!!
  138. engines misses after teardown
  139. 93 STS Northstar won't start
  140. Motor build for sand rail
  141. What kind of gas mileage do you get with your Northstar?
  142. crank sensors
  143. 4.0 Northstar No Start PLEASE HELP!!!
  144. What Northstar do I have?
  145. 96 Eldorado ETC - Blown head gasket
  146. Radiator hoses
  147. headgasket pics
  148. Converter Size
  149. Cylinder Head Reconditioning
  150. 02 sts N* Engine knock
  151. MAF Issues
  152. Oil Pressure Issue - 2000 Cadillac DeVille
  153. Northstar mechanic in the Massachusetts??
  154. Need Help
  155. 93 sts misses and no 2-3 shift
  156. Good fresh tim-serted 94' SLS engine on ebay.
  157. Help, still overheating after headgasket job .
  158. Cooling fan motor bad?
  159. Roots style S/C for the northstar. Anytakers?
  160. front HVAC blower not working on 2000 deville
  161. 1995 STS won't start
  162. 94 4.6L SLS/STS Engine on Ebay
  163. oil level sensor
  164. Thought I had all the parts
  165. '99 Deville stalled and wont start
  166. 96 Deville stumbles on acceleration
  167. Spark Plug Gap
  168. P094 code
  169. 2001 Northstar 4.6 in 99 sts body??
  170. Short runner intake
  171. Bad Waterpump???
  172. Making a trip to fastchip
  173. Fan runs while car is shut off
  174. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  175. Backfired while starting, now I have a miss!
  176. Octane Boosters
  177. Code Question
  178. sluggish n* in a 96 eldo
  179. 03 4.6 Loud engine knock caused by roller rockers
  180. I did the intake and exhaust and no difference
  181. looking at a scangauge 2 / question about pulling codes
  182. starter gives a single click
  183. PCM Data, PD42 Octane?
  184. Made the switch to Rotella...
  185. Crank seal replacement cost??
  186. Headlight problem!
  187. 99 STS blown head gasket. what to do??
  188. Turning off Injectors = Save fuel?
  189. A/C Question
  190. Two pricing question
  191. 1995 STS Performance ?
  192. I052 Code + Stalling + Instrument Panel Reset
  193. Oil pressure Sending Unit
  194. P/S pump leak
  195. Oil Leak
  196. "Low Refrigerant" & "A/C Compressor Off" B1348
  197. 95 Deville Concours performance
  198. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  199. new exhaust with #s
  200. Main bearing Torque Values? '94 4.6L SLS
  201. What tools needed to replace idle control motor on N*?
  202. Sooty Stalling 98 Deville
  203. New N* Owner - What to look for?
  204. Will the REAL Dexcool Please Stand Up?
  205. Rustling noise and loss of power
  206. Mass air flow sensor Help please
  207. oil cooler
  208. Engine just dies
  209. Swapping Engine To A Non-Northstar
  210. I have a little oil in the spark plug wells, anything to worry about?
  211. setting timing
  212. How about a Northstar Survival Guide
  213. what color is dexcool?
  214. Engine revving on its own
  215. Northstar remanufactured engine source
  216. "If it wasn't for bad luck....you know the rest
  217. Hitting 150k or more, is it realistic on my car?
  218. Time-Sert
  219. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  220. front motor mount
  221. Is it Normal to Leak????
  222. Power steering leak
  223. 99 Northstar burning coolant somewhere!
  224. Data loging with performance monitoring and measuring devices
  225. Help With My 99' N* Hg Job
  226. Low oil pressure warning
  227. engine-trans bolts
  228. Valve Train Ticking
  229. What peformance chip is better for 02 dts?
  230. Wrong headbolts
  231. Changing HG, will heads be ok?
  232. N* Stock Internals
  233. Oil missing from pan
  234. 93-99 Dis ????
  235. So, i just talked to one of the engineers at GM that worked on the northstar
  236. 02 deville spark plug replacement
  237. Finding New Mechanic: Questions to Ask
  238. Myth!!!!! Octane 99 and prior VS 00+
  239. Interesting problem - highway stalling
  240. just installed alternator, NOW WHAT!
  241. How much horsepower in 1997 Professional Chassis (Limo)?
  242. A\C Question!!!!!!!!!!!!!!
  243. How to get out cylinder head alignment bushings???
  244. Tim Allens 400HP naturally asp. N*
  245. cracked engine block
  246. 1997 DeVille Head Gasket Repair
  247. Solid Motor Mount?
  248. lower motor mount
  249. low oil pressure / battery no charge on DIC
  250. '98 STS Camshaft