: Northstar Engines and System Technical Discussion



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  1. 4.6 northstar fuel pressure?
  2. 150 miles in limp home mode
  3. CKP Question for One of the Techs
  4. Any problems trying 20W-50 in a '97?
  5. New 95' STS owner with tech question
  6. tune up ,whats involved?
  7. Oh shoot...need help ASAP...:(
  8. Radiator Cooling Fans not running
  9. Ram Air! (Maybe)
  10. Engine runs a bit rough during cold winter starts
  11. "break in" period for new Northstar engine
  12. How many miles to you get per tankfull with your north*?
  13. Inserts
  14. GM now offers Premium Remanufactured 4.6L Northstar
  15. 00 to 03 engine in a 98 or 99 Seville.
  16. recommended shop in Toronto/Kitchener area
  17. After head gasket repair engine knocks
  18. transaxel fluid change
  19. N* Injectors and Fuel Pressure Regulator
  20. transaxel filter
  21. 2002 plentum leak
  22. Sts Running Terrible
  23. 96 Cylinder head on 93 block
  24. My car has 121k on it..should I change the trany fluid?
  25. 96 to 99 Eldo, Deville, and 96, 97 Seville Tuning
  26. valve noise at startup
  27. Breaking in a N*
  28. Invisible leak (coolant)
  29. Another seafoam thread
  30. Is there an easy way to change coolant?
  31. what is considered normal coolant temperture for a north*?
  32. please identify mystery black box 01 DTS
  33. Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know
  34. Flushing Radiator
  35. Are there any worthwhile performance mods for the 98 north*?
  36. Was there more then one north* engine in 1998?
  37. Three (3) Codes on 1996 SLS: P1406, P0401, P0108
  38. Northstar Air Consumption.
  39. Eldo Gone....
  40. 4T80-E Transmission Fluid Change - DONE!
  41. P119 - Shorted Fuel Injector Problem
  42. How often do you WOT your north*?
  43. Before i go to beat the crap outta my car - WOT cleaning
  44. denso wires ???
  45. timeserts -so do these things prevent bad head gaskets
  46. Northstar 32 valve good for swap-out?
  47. '94 sts.. ignition coils, ignition control module?
  48. Car will not turn over....
  49. Has anyone ever got the P0741 code?
  50. Are there any good oil additives to add...
  51. I read a post about top tier gasoline....
  52. '95 Concours hard starting when it's cold outside
  53. my service engine soon light is on
  54. bad idea to use 87 octane?
  55. royal purple on a N*
  56. 03 n* and trans in a 99 SLS
  57. What gives the Northstar its "whirring" sound at idle?
  58. 96 sts starter problems, questions?
  59. How would i get a custom pcm?
  60. Beef up a 4.6L NStar?
  61. squeeky serpatine belt *new belt and tensioner*
  62. N* performance
  63. what year was it?
  64. opinions on high flow cats
  65. Gasoline Consumption question
  66. Looking for a Timesert Kit
  67. Engine Performance mods 95 STS
  68. Which oil i need for my 96 eldorado????
  69. How long should I let the N* warm up in the morning?
  70. Timesert Kits?
  71. 1997 SLS (overheating)
  72. Changing brakes on 96 SLS
  73. 2000 dts northstar reliabilty
  74. 2002 ETC Collector-mobile.
  75. What's the difference between the STS and SLS engines?
  76. Internal Mods For Northstar
  77. 99 to 00+ swap differences
  78. stuttering at idle
  79. 1999 Cadillac STS love/hate relationship...
  80. Free Northstar Engine
  81. Help the new guy make a good decision
  82. High Performance Head Gaskets?
  83. Parts ID
  84. Not run for 6 years, what would you do?
  85. 00 PCM on a 99 engine
  86. Blown Headgasket
  87. Aluminum Block porisity
  88. Its Alive
  89. oil life monitor problem
  90. P094 limp mode, no overdrive
  91. Valve Stem Seal Puller
  92. Homemade Valve Spring Compressor
  93. What Should I Pay For Eibachs?
  94. Trans Fluid/Filter change and Coolant drain/refill...
  95. Randomly Creeping High Idle Problem
  96. Stock spark plug wires, 7 or 8 mm?
  97. transmission oil looks dark :S
  98. how many cubic inches
  99. Northstar coil pack firing order
  100. '96 Sls: P1406: Egr
  101. GM Oil Consumption TSB, 2007
  102. Dexcool/Peak coolant
  103. noobie questions
  104. God a northstar sounds sexy, but does something sound odd
  105. Coolant leak...
  106. Northstar motor install
  107. overheating, waterpump? 2002 deville w/ 120k miles
  108. Transmission won't "kickdown" 1994 Eldorado
  109. Blocks cracking on final head torque?
  110. How to remove timeserts?
  111. crankshaft postion sensor
  112. '05 STS - Slipping Transmission at low MPH
  113. rear wheel drive conversion
  114. Cadillac Overheating Issues
  115. humming noise
  116. Clogged vacuum port to fuel pressure regulator
  117. thermostat starting to rise in strange way
  118. overheating , but ez fix?
  119. intermittent "hard start" when car at operating temp
  120. How to tell if block is timeserted?
  121. HELP ME!!!! What is the difference between ECON and Auto
  122. clogged cat = overheating?
  123. 2000-up coil pack crack
  124. 93 sts trans solenoids?
  125. Sealing off a blown head gasket
  126. Rear Main Seal
  127. Oil Life % vs. Reality
  128. Time out!!
  129. engines misses after teardown
  130. 93 STS Northstar won't start
  131. Motor build for sand rail
  132. What kind of gas mileage do you get with your Northstar?
  133. crank sensors
  134. 4.0 Northstar No Start PLEASE HELP!!!
  135. What Northstar do I have?
  136. 96 Eldorado ETC - Blown head gasket
  137. Radiator hoses
  138. headgasket pics
  139. Converter Size
  140. Cylinder Head Reconditioning
  141. 02 sts N* Engine knock
  142. MAF Issues
  143. Oil Pressure Issue - 2000 Cadillac DeVille
  144. Northstar mechanic in the Massachusetts??
  145. Need Help
  146. 93 sts misses and no 2-3 shift
  147. Good fresh tim-serted 94' SLS engine on ebay.
  148. Help, still overheating after headgasket job .
  149. Cooling fan motor bad?
  150. Roots style S/C for the northstar. Anytakers?
  151. front HVAC blower not working on 2000 deville
  152. 1995 STS won't start
  153. 94 4.6L SLS/STS Engine on Ebay
  154. oil level sensor
  155. Thought I had all the parts
  156. '99 Deville stalled and wont start
  157. 96 Deville stumbles on acceleration
  158. Spark Plug Gap
  159. P094 code
  160. 2001 Northstar 4.6 in 99 sts body??
  161. Short runner intake
  162. Bad Waterpump???
  163. Making a trip to fastchip
  164. Fan runs while car is shut off
  165. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  166. Backfired while starting, now I have a miss!
  167. Octane Boosters
  168. Code Question
  169. sluggish n* in a 96 eldo
  170. 03 4.6 Loud engine knock caused by roller rockers
  171. I did the intake and exhaust and no difference
  172. looking at a scangauge 2 / question about pulling codes
  173. starter gives a single click
  174. PCM Data, PD42 Octane?
  175. Made the switch to Rotella...
  176. Crank seal replacement cost??
  177. Headlight problem!
  178. 99 STS blown head gasket. what to do??
  179. Turning off Injectors = Save fuel?
  180. A/C Question
  181. Two pricing question
  182. 1995 STS Performance ?
  183. I052 Code + Stalling + Instrument Panel Reset
  184. Oil pressure Sending Unit
  185. P/S pump leak
  186. Oil Leak
  187. "Low Refrigerant" & "A/C Compressor Off" B1348
  188. 95 Deville Concours performance
  189. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  190. new exhaust with #s
  191. Main bearing Torque Values? '94 4.6L SLS
  192. What tools needed to replace idle control motor on N*?
  193. Sooty Stalling 98 Deville
  194. New N* Owner - What to look for?
  195. Will the REAL Dexcool Please Stand Up?
  196. Rustling noise and loss of power
  197. Mass air flow sensor Help please
  198. oil cooler
  199. Engine just dies
  200. Swapping Engine To A Non-Northstar
  201. I have a little oil in the spark plug wells, anything to worry about?
  202. setting timing
  203. How about a Northstar Survival Guide
  204. what color is dexcool?
  205. Engine revving on its own
  206. Northstar remanufactured engine source
  207. "If it wasn't for bad luck....you know the rest
  208. Hitting 150k or more, is it realistic on my car?
  209. Time-Sert
  210. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  211. front motor mount
  212. Is it Normal to Leak????
  213. Power steering leak
  214. 99 Northstar burning coolant somewhere!
  215. Data loging with performance monitoring and measuring devices
  216. Help With My 99' N* Hg Job
  217. Low oil pressure warning
  218. engine-trans bolts
  219. Valve Train Ticking
  220. What peformance chip is better for 02 dts?
  221. Wrong headbolts
  222. Changing HG, will heads be ok?
  223. N* Stock Internals
  224. Oil missing from pan
  225. 93-99 Dis ????
  226. So, i just talked to one of the engineers at GM that worked on the northstar
  227. 02 deville spark plug replacement
  228. Finding New Mechanic: Questions to Ask
  229. Myth!!!!! Octane 99 and prior VS 00+
  230. Interesting problem - highway stalling
  231. just installed alternator, NOW WHAT!
  232. How much horsepower in 1997 Professional Chassis (Limo)?
  233. A\C Question!!!!!!!!!!!!!!
  234. How to get out cylinder head alignment bushings???
  235. Tim Allens 400HP naturally asp. N*
  236. cracked engine block
  237. 1997 DeVille Head Gasket Repair
  238. Solid Motor Mount?
  239. lower motor mount
  240. low oil pressure / battery no charge on DIC
  241. '98 STS Camshaft
  242. 05 DTS Northstar fuel economy
  243. Leaking Head Gaskets & Extended Warranty
  244. p1375 icm 24x reference voltage too high and p1350 ignition control system
  245. 00 deville cylinder #4
  246. Northstar overheating causes
  247. locating dowels
  248. 00 deville P0300
  249. Changing spark plugs on a Northstar
  250. can't find anyone who knows the answer