: Northstar Engines and System Technical Discussion



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  1. NorthStar swap wiring harness
  2. product question
  3. How long do you think caddy will keep the N*?
  4. SS Fuel Rail Removal
  5. Would this be a wise choice? [CAI] on a 184,000 mile northstar
  6. E85 on northstar ???
  7. just got my Plates
  8. 1996 Cadillac DeVille NO CODES ????
  9. Engine code - EOP
  10. Type of engine?
  11. Turbo Charged STS Cadillac
  12. Northstar Cam specs
  13. How can I drive 1000 miles with a coolant leak?
  14. To Rebuild or not.
  15. Do you use dealer for Northstar repairs?
  16. How long do Northstar engines last?
  17. 4.6 northstar fuel pressure?
  18. 150 miles in limp home mode
  19. CKP Question for One of the Techs
  20. Any problems trying 20W-50 in a '97?
  21. New 95' STS owner with tech question
  22. tune up ,whats involved?
  23. Oh shoot...need help ASAP...:(
  24. Radiator Cooling Fans not running
  25. Ram Air! (Maybe)
  26. Engine runs a bit rough during cold winter starts
  27. "break in" period for new Northstar engine
  28. How many miles to you get per tankfull with your north*?
  29. Inserts
  30. GM now offers Premium Remanufactured 4.6L Northstar
  31. 00 to 03 engine in a 98 or 99 Seville.
  32. recommended shop in Toronto/Kitchener area
  33. After head gasket repair engine knocks
  34. transaxel fluid change
  35. N* Injectors and Fuel Pressure Regulator
  36. transaxel filter
  37. 2002 plentum leak
  38. Sts Running Terrible
  39. 96 Cylinder head on 93 block
  40. My car has 121k on it..should I change the trany fluid?
  41. 96 to 99 Eldo, Deville, and 96, 97 Seville Tuning
  42. valve noise at startup
  43. Breaking in a N*
  44. Invisible leak (coolant)
  45. Another seafoam thread
  46. Is there an easy way to change coolant?
  47. what is considered normal coolant temperture for a north*?
  48. please identify mystery black box 01 DTS
  49. Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know
  50. Flushing Radiator
  51. Are there any worthwhile performance mods for the 98 north*?
  52. Was there more then one north* engine in 1998?
  53. Three (3) Codes on 1996 SLS: P1406, P0401, P0108
  54. Northstar Air Consumption.
  55. Eldo Gone....
  56. 4T80-E Transmission Fluid Change - DONE!
  57. P119 - Shorted Fuel Injector Problem
  58. How often do you WOT your north*?
  59. Before i go to beat the crap outta my car - WOT cleaning
  60. denso wires ???
  61. timeserts -so do these things prevent bad head gaskets
  62. Northstar 32 valve good for swap-out?
  63. '94 sts.. ignition coils, ignition control module?
  64. Car will not turn over....
  65. Has anyone ever got the P0741 code?
  66. Are there any good oil additives to add...
  67. I read a post about top tier gasoline....
  68. '95 Concours hard starting when it's cold outside
  69. my service engine soon light is on
  70. bad idea to use 87 octane?
  71. royal purple on a N*
  72. 03 n* and trans in a 99 SLS
  73. What gives the Northstar its "whirring" sound at idle?
  74. 96 sts starter problems, questions?
  75. How would i get a custom pcm?
  76. Beef up a 4.6L NStar?
  77. squeeky serpatine belt *new belt and tensioner*
  78. N* performance
  79. what year was it?
  80. opinions on high flow cats
  81. Gasoline Consumption question
  82. Looking for a Timesert Kit
  83. Engine Performance mods 95 STS
  84. Which oil i need for my 96 eldorado????
  85. How long should I let the N* warm up in the morning?
  86. Timesert Kits?
  87. 1997 SLS (overheating)
  88. Changing brakes on 96 SLS
  89. 2000 dts northstar reliabilty
  90. 2002 ETC Collector-mobile.
  91. What's the difference between the STS and SLS engines?
  92. Internal Mods For Northstar
  93. 99 to 00+ swap differences
  94. stuttering at idle
  95. 1999 Cadillac STS love/hate relationship...
  96. Free Northstar Engine
  97. Help the new guy make a good decision
  98. High Performance Head Gaskets?
  99. Parts ID
  100. Not run for 6 years, what would you do?
  101. 00 PCM on a 99 engine
  102. Blown Headgasket
  103. Aluminum Block porisity
  104. Its Alive
  105. oil life monitor problem
  106. P094 limp mode, no overdrive
  107. Valve Stem Seal Puller
  108. Homemade Valve Spring Compressor
  109. What Should I Pay For Eibachs?
  110. Trans Fluid/Filter change and Coolant drain/refill...
  111. Randomly Creeping High Idle Problem
  112. Stock spark plug wires, 7 or 8 mm?
  113. transmission oil looks dark :S
  114. how many cubic inches
  115. Northstar coil pack firing order
  116. '96 Sls: P1406: Egr
  117. GM Oil Consumption TSB, 2007
  118. Dexcool/Peak coolant
  119. noobie questions
  120. God a northstar sounds sexy, but does something sound odd
  121. Coolant leak...
  122. Northstar motor install
  123. overheating, waterpump? 2002 deville w/ 120k miles
  124. Transmission won't "kickdown" 1994 Eldorado
  125. Blocks cracking on final head torque?
  126. How to remove timeserts?
  127. crankshaft postion sensor
  128. '05 STS - Slipping Transmission at low MPH
  129. rear wheel drive conversion
  130. Cadillac Overheating Issues
  131. humming noise
  132. Clogged vacuum port to fuel pressure regulator
  133. thermostat starting to rise in strange way
  134. overheating , but ez fix?
  135. intermittent "hard start" when car at operating temp
  136. How to tell if block is timeserted?
  137. HELP ME!!!! What is the difference between ECON and Auto
  138. clogged cat = overheating?
  139. 2000-up coil pack crack
  140. 93 sts trans solenoids?
  141. Sealing off a blown head gasket
  142. Rear Main Seal
  143. Oil Life % vs. Reality
  144. Time out!!
  145. engines misses after teardown
  146. 93 STS Northstar won't start
  147. Motor build for sand rail
  148. What kind of gas mileage do you get with your Northstar?
  149. crank sensors
  150. 4.0 Northstar No Start PLEASE HELP!!!
  151. What Northstar do I have?
  152. 96 Eldorado ETC - Blown head gasket
  153. Radiator hoses
  154. headgasket pics
  155. Converter Size
  156. Cylinder Head Reconditioning
  157. 02 sts N* Engine knock
  158. MAF Issues
  159. Oil Pressure Issue - 2000 Cadillac DeVille
  160. Northstar mechanic in the Massachusetts??
  161. Need Help
  162. 93 sts misses and no 2-3 shift
  163. Good fresh tim-serted 94' SLS engine on ebay.
  164. Help, still overheating after headgasket job .
  165. Cooling fan motor bad?
  166. Roots style S/C for the northstar. Anytakers?
  167. front HVAC blower not working on 2000 deville
  168. 1995 STS won't start
  169. 94 4.6L SLS/STS Engine on Ebay
  170. oil level sensor
  171. Thought I had all the parts
  172. '99 Deville stalled and wont start
  173. 96 Deville stumbles on acceleration
  174. Spark Plug Gap
  175. P094 code
  176. 2001 Northstar 4.6 in 99 sts body??
  177. Short runner intake
  178. Bad Waterpump???
  179. Making a trip to fastchip
  180. Fan runs while car is shut off
  181. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  182. Backfired while starting, now I have a miss!
  183. Octane Boosters
  184. Code Question
  185. sluggish n* in a 96 eldo
  186. 03 4.6 Loud engine knock caused by roller rockers
  187. I did the intake and exhaust and no difference
  188. looking at a scangauge 2 / question about pulling codes
  189. starter gives a single click
  190. PCM Data, PD42 Octane?
  191. Made the switch to Rotella...
  192. Crank seal replacement cost??
  193. Headlight problem!
  194. 99 STS blown head gasket. what to do??
  195. Turning off Injectors = Save fuel?
  196. A/C Question
  197. Two pricing question
  198. 1995 STS Performance ?
  199. I052 Code + Stalling + Instrument Panel Reset
  200. Oil pressure Sending Unit
  201. P/S pump leak
  202. Oil Leak
  203. "Low Refrigerant" & "A/C Compressor Off" B1348
  204. 95 Deville Concours performance
  205. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  206. new exhaust with #s
  207. Main bearing Torque Values? '94 4.6L SLS
  208. What tools needed to replace idle control motor on N*?
  209. Sooty Stalling 98 Deville
  210. New N* Owner - What to look for?
  211. Will the REAL Dexcool Please Stand Up?
  212. Rustling noise and loss of power
  213. Mass air flow sensor Help please
  214. oil cooler
  215. Engine just dies
  216. Swapping Engine To A Non-Northstar
  217. I have a little oil in the spark plug wells, anything to worry about?
  218. setting timing
  219. How about a Northstar Survival Guide
  220. what color is dexcool?
  221. Engine revving on its own
  222. Northstar remanufactured engine source
  223. "If it wasn't for bad luck....you know the rest
  224. Hitting 150k or more, is it realistic on my car?
  225. Time-Sert
  226. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  227. front motor mount
  228. Is it Normal to Leak????
  229. Power steering leak
  230. 99 Northstar burning coolant somewhere!
  231. Data loging with performance monitoring and measuring devices
  232. Help With My 99' N* Hg Job
  233. Low oil pressure warning
  234. engine-trans bolts
  235. Valve Train Ticking
  236. What peformance chip is better for 02 dts?
  237. Wrong headbolts
  238. Changing HG, will heads be ok?
  239. N* Stock Internals
  240. Oil missing from pan
  241. 93-99 Dis ????
  242. So, i just talked to one of the engineers at GM that worked on the northstar
  243. 02 deville spark plug replacement
  244. Finding New Mechanic: Questions to Ask
  245. Myth!!!!! Octane 99 and prior VS 00+
  246. Interesting problem - highway stalling
  247. just installed alternator, NOW WHAT!
  248. How much horsepower in 1997 Professional Chassis (Limo)?
  249. A\C Question!!!!!!!!!!!!!!
  250. How to get out cylinder head alignment bushings???