: Northstar Engines and System Technical Discussion



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 [14] 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

  1. transaxel fluid change
  2. N* Injectors and Fuel Pressure Regulator
  3. transaxel filter
  4. 2002 plentum leak
  5. Sts Running Terrible
  6. 96 Cylinder head on 93 block
  7. My car has 121k on it..should I change the trany fluid?
  8. 96 to 99 Eldo, Deville, and 96, 97 Seville Tuning
  9. valve noise at startup
  10. Breaking in a N*
  11. Invisible leak (coolant)
  12. Another seafoam thread
  13. Is there an easy way to change coolant?
  14. what is considered normal coolant temperture for a north*?
  15. please identify mystery black box 01 DTS
  16. Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know
  17. Flushing Radiator
  18. Are there any worthwhile performance mods for the 98 north*?
  19. Was there more then one north* engine in 1998?
  20. Three (3) Codes on 1996 SLS: P1406, P0401, P0108
  21. Northstar Air Consumption.
  22. Eldo Gone....
  23. 4T80-E Transmission Fluid Change - DONE!
  24. P119 - Shorted Fuel Injector Problem
  25. How often do you WOT your north*?
  26. Before i go to beat the crap outta my car - WOT cleaning
  27. denso wires ???
  28. timeserts -so do these things prevent bad head gaskets
  29. Northstar 32 valve good for swap-out?
  30. '94 sts.. ignition coils, ignition control module?
  31. Car will not turn over....
  32. Has anyone ever got the P0741 code?
  33. Are there any good oil additives to add...
  34. I read a post about top tier gasoline....
  35. '95 Concours hard starting when it's cold outside
  36. my service engine soon light is on
  37. bad idea to use 87 octane?
  38. royal purple on a N*
  39. 03 n* and trans in a 99 SLS
  40. What gives the Northstar its "whirring" sound at idle?
  41. 96 sts starter problems, questions?
  42. How would i get a custom pcm?
  43. Beef up a 4.6L NStar?
  44. squeeky serpatine belt *new belt and tensioner*
  45. N* performance
  46. what year was it?
  47. opinions on high flow cats
  48. Gasoline Consumption question
  49. Looking for a Timesert Kit
  50. Engine Performance mods 95 STS
  51. Which oil i need for my 96 eldorado????
  52. How long should I let the N* warm up in the morning?
  53. Timesert Kits?
  54. 1997 SLS (overheating)
  55. Changing brakes on 96 SLS
  56. 2000 dts northstar reliabilty
  57. 2002 ETC Collector-mobile.
  58. What's the difference between the STS and SLS engines?
  59. Internal Mods For Northstar
  60. 99 to 00+ swap differences
  61. stuttering at idle
  62. 1999 Cadillac STS love/hate relationship...
  63. Free Northstar Engine
  64. Help the new guy make a good decision
  65. High Performance Head Gaskets?
  66. Parts ID
  67. Not run for 6 years, what would you do?
  68. 00 PCM on a 99 engine
  69. Blown Headgasket
  70. Aluminum Block porisity
  71. Its Alive
  72. oil life monitor problem
  73. P094 limp mode, no overdrive
  74. Valve Stem Seal Puller
  75. Homemade Valve Spring Compressor
  76. What Should I Pay For Eibachs?
  77. Trans Fluid/Filter change and Coolant drain/refill...
  78. Randomly Creeping High Idle Problem
  79. Stock spark plug wires, 7 or 8 mm?
  80. transmission oil looks dark :S
  81. how many cubic inches
  82. Northstar coil pack firing order
  83. '96 Sls: P1406: Egr
  84. GM Oil Consumption TSB, 2007
  85. Dexcool/Peak coolant
  86. noobie questions
  87. God a northstar sounds sexy, but does something sound odd
  88. Coolant leak...
  89. Northstar motor install
  90. overheating, waterpump? 2002 deville w/ 120k miles
  91. Transmission won't "kickdown" 1994 Eldorado
  92. Blocks cracking on final head torque?
  93. How to remove timeserts?
  94. crankshaft postion sensor
  95. '05 STS - Slipping Transmission at low MPH
  96. rear wheel drive conversion
  97. Cadillac Overheating Issues
  98. humming noise
  99. Clogged vacuum port to fuel pressure regulator
  100. thermostat starting to rise in strange way
  101. overheating , but ez fix?
  102. intermittent "hard start" when car at operating temp
  103. How to tell if block is timeserted?
  104. HELP ME!!!! What is the difference between ECON and Auto
  105. clogged cat = overheating?
  106. 2000-up coil pack crack
  107. 93 sts trans solenoids?
  108. Sealing off a blown head gasket
  109. Rear Main Seal
  110. Oil Life % vs. Reality
  111. Time out!!
  112. engines misses after teardown
  113. 93 STS Northstar won't start
  114. Motor build for sand rail
  115. What kind of gas mileage do you get with your Northstar?
  116. crank sensors
  117. 4.0 Northstar No Start PLEASE HELP!!!
  118. What Northstar do I have?
  119. 96 Eldorado ETC - Blown head gasket
  120. Radiator hoses
  121. headgasket pics
  122. Converter Size
  123. Cylinder Head Reconditioning
  124. 02 sts N* Engine knock
  125. MAF Issues
  126. Oil Pressure Issue - 2000 Cadillac DeVille
  127. Northstar mechanic in the Massachusetts??
  128. Need Help
  129. 93 sts misses and no 2-3 shift
  130. Good fresh tim-serted 94' SLS engine on ebay.
  131. Help, still overheating after headgasket job .
  132. Cooling fan motor bad?
  133. Roots style S/C for the northstar. Anytakers?
  134. front HVAC blower not working on 2000 deville
  135. 1995 STS won't start
  136. 94 4.6L SLS/STS Engine on Ebay
  137. oil level sensor
  138. Thought I had all the parts
  139. '99 Deville stalled and wont start
  140. 96 Deville stumbles on acceleration
  141. Spark Plug Gap
  142. P094 code
  143. 2001 Northstar 4.6 in 99 sts body??
  144. Short runner intake
  145. Bad Waterpump???
  146. Making a trip to fastchip
  147. Fan runs while car is shut off
  148. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  149. Backfired while starting, now I have a miss!
  150. Octane Boosters
  151. Code Question
  152. sluggish n* in a 96 eldo
  153. 03 4.6 Loud engine knock caused by roller rockers
  154. I did the intake and exhaust and no difference
  155. looking at a scangauge 2 / question about pulling codes
  156. starter gives a single click
  157. PCM Data, PD42 Octane?
  158. Made the switch to Rotella...
  159. Crank seal replacement cost??
  160. Headlight problem!
  161. 99 STS blown head gasket. what to do??
  162. Turning off Injectors = Save fuel?
  163. A/C Question
  164. Two pricing question
  165. 1995 STS Performance ?
  166. I052 Code + Stalling + Instrument Panel Reset
  167. Oil pressure Sending Unit
  168. P/S pump leak
  169. Oil Leak
  170. "Low Refrigerant" & "A/C Compressor Off" B1348
  171. 95 Deville Concours performance
  172. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  173. new exhaust with #s
  174. Main bearing Torque Values? '94 4.6L SLS
  175. What tools needed to replace idle control motor on N*?
  176. Sooty Stalling 98 Deville
  177. New N* Owner - What to look for?
  178. Will the REAL Dexcool Please Stand Up?
  179. Rustling noise and loss of power
  180. Mass air flow sensor Help please
  181. oil cooler
  182. Engine just dies
  183. Swapping Engine To A Non-Northstar
  184. I have a little oil in the spark plug wells, anything to worry about?
  185. setting timing
  186. How about a Northstar Survival Guide
  187. what color is dexcool?
  188. Engine revving on its own
  189. Northstar remanufactured engine source
  190. "If it wasn't for bad luck....you know the rest
  191. Hitting 150k or more, is it realistic on my car?
  192. Time-Sert
  193. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  194. front motor mount
  195. Is it Normal to Leak????
  196. Power steering leak
  197. 99 Northstar burning coolant somewhere!
  198. Data loging with performance monitoring and measuring devices
  199. Help With My 99' N* Hg Job
  200. Low oil pressure warning
  201. engine-trans bolts
  202. Valve Train Ticking
  203. What peformance chip is better for 02 dts?
  204. Wrong headbolts
  205. Changing HG, will heads be ok?
  206. N* Stock Internals
  207. Oil missing from pan
  208. 93-99 Dis ????
  209. So, i just talked to one of the engineers at GM that worked on the northstar
  210. 02 deville spark plug replacement
  211. Finding New Mechanic: Questions to Ask
  212. Myth!!!!! Octane 99 and prior VS 00+
  213. Interesting problem - highway stalling
  214. just installed alternator, NOW WHAT!
  215. How much horsepower in 1997 Professional Chassis (Limo)?
  216. A\C Question!!!!!!!!!!!!!!
  217. How to get out cylinder head alignment bushings???
  218. Tim Allens 400HP naturally asp. N*
  219. cracked engine block
  220. 1997 DeVille Head Gasket Repair
  221. Solid Motor Mount?
  222. lower motor mount
  223. low oil pressure / battery no charge on DIC
  224. '98 STS Camshaft
  225. 05 DTS Northstar fuel economy
  226. Leaking Head Gaskets & Extended Warranty
  227. p1375 icm 24x reference voltage too high and p1350 ignition control system
  228. 00 deville cylinder #4
  229. Northstar overheating causes
  230. locating dowels
  231. 00 deville P0300
  232. Changing spark plugs on a Northstar
  233. can't find anyone who knows the answer
  234. 94 sts strange issue
  235. 30,000 mile service
  236. 98 sts bogging and backfiring
  237. symptoms and cuases of headgasket
  238. 2007 Northstar VIN A PCM Pinouts
  239. Interesting Observation with Volant.
  240. Suggest new catorgory"Northstar Tuning"
  241. Question about Dexcool for the Northstar 4.6
  242. 99 STS in Distress
  243. p0300 Engine Misfire
  244. Need Some Feedback
  245. P0171 and P0174 codes: Intake leak?
  246. TC0073 ???? I have searched with not a REAL answer
  247. carbon on tailpipes, and why?
  248. are time serts asbsolutely necessary
  249. Replacing various parts
  250. new radiator