: Northstar Engines and System Technical Discussion



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