: Northstar Engines and System Technical Discussion



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  1. 00 PCM on a 99 engine
  2. Blown Headgasket
  3. Aluminum Block porisity
  4. Its Alive
  5. oil life monitor problem
  6. P094 limp mode, no overdrive
  7. Valve Stem Seal Puller
  8. Homemade Valve Spring Compressor
  9. What Should I Pay For Eibachs?
  10. Trans Fluid/Filter change and Coolant drain/refill...
  11. Randomly Creeping High Idle Problem
  12. Stock spark plug wires, 7 or 8 mm?
  13. transmission oil looks dark :S
  14. how many cubic inches
  15. Northstar coil pack firing order
  16. '96 Sls: P1406: Egr
  17. GM Oil Consumption TSB, 2007
  18. Dexcool/Peak coolant
  19. noobie questions
  20. God a northstar sounds sexy, but does something sound odd
  21. Coolant leak...
  22. Northstar motor install
  23. overheating, waterpump? 2002 deville w/ 120k miles
  24. Transmission won't "kickdown" 1994 Eldorado
  25. Blocks cracking on final head torque?
  26. How to remove timeserts?
  27. crankshaft postion sensor
  28. '05 STS - Slipping Transmission at low MPH
  29. rear wheel drive conversion
  30. Cadillac Overheating Issues
  31. humming noise
  32. Clogged vacuum port to fuel pressure regulator
  33. thermostat starting to rise in strange way
  34. overheating , but ez fix?
  35. intermittent "hard start" when car at operating temp
  36. How to tell if block is timeserted?
  37. HELP ME!!!! What is the difference between ECON and Auto
  38. clogged cat = overheating?
  39. 2000-up coil pack crack
  40. 93 sts trans solenoids?
  41. Sealing off a blown head gasket
  42. Rear Main Seal
  43. Oil Life % vs. Reality
  44. Time out!!
  45. engines misses after teardown
  46. 93 STS Northstar won't start
  47. Motor build for sand rail
  48. What kind of gas mileage do you get with your Northstar?
  49. crank sensors
  50. 4.0 Northstar No Start PLEASE HELP!!!
  51. What Northstar do I have?
  52. 96 Eldorado ETC - Blown head gasket
  53. Radiator hoses
  54. headgasket pics
  55. Converter Size
  56. Cylinder Head Reconditioning
  57. 02 sts N* Engine knock
  58. MAF Issues
  59. Oil Pressure Issue - 2000 Cadillac DeVille
  60. Northstar mechanic in the Massachusetts??
  61. Need Help
  62. 93 sts misses and no 2-3 shift
  63. Good fresh tim-serted 94' SLS engine on ebay.
  64. Help, still overheating after headgasket job .
  65. Cooling fan motor bad?
  66. Roots style S/C for the northstar. Anytakers?
  67. front HVAC blower not working on 2000 deville
  68. 1995 STS won't start
  69. 94 4.6L SLS/STS Engine on Ebay
  70. oil level sensor
  71. Thought I had all the parts
  72. '99 Deville stalled and wont start
  73. 96 Deville stumbles on acceleration
  74. Spark Plug Gap
  75. P094 code
  76. 2001 Northstar 4.6 in 99 sts body??
  77. Short runner intake
  78. Bad Waterpump???
  79. Making a trip to fastchip
  80. Fan runs while car is shut off
  81. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  82. Backfired while starting, now I have a miss!
  83. Octane Boosters
  84. Code Question
  85. sluggish n* in a 96 eldo
  86. 03 4.6 Loud engine knock caused by roller rockers
  87. I did the intake and exhaust and no difference
  88. looking at a scangauge 2 / question about pulling codes
  89. starter gives a single click
  90. PCM Data, PD42 Octane?
  91. Made the switch to Rotella...
  92. Crank seal replacement cost??
  93. Headlight problem!
  94. 99 STS blown head gasket. what to do??
  95. Turning off Injectors = Save fuel?
  96. A/C Question
  97. Two pricing question
  98. 1995 STS Performance ?
  99. I052 Code + Stalling + Instrument Panel Reset
  100. Oil pressure Sending Unit
  101. P/S pump leak
  102. Oil Leak
  103. "Low Refrigerant" & "A/C Compressor Off" B1348
  104. 95 Deville Concours performance
  105. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  106. new exhaust with #s
  107. Main bearing Torque Values? '94 4.6L SLS
  108. What tools needed to replace idle control motor on N*?
  109. Sooty Stalling 98 Deville
  110. New N* Owner - What to look for?
  111. Will the REAL Dexcool Please Stand Up?
  112. Rustling noise and loss of power
  113. Mass air flow sensor Help please
  114. oil cooler
  115. Engine just dies
  116. Swapping Engine To A Non-Northstar
  117. I have a little oil in the spark plug wells, anything to worry about?
  118. setting timing
  119. How about a Northstar Survival Guide
  120. what color is dexcool?
  121. Engine revving on its own
  122. Northstar remanufactured engine source
  123. "If it wasn't for bad luck....you know the rest
  124. Hitting 150k or more, is it realistic on my car?
  125. Time-Sert
  126. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  127. front motor mount
  128. Is it Normal to Leak????
  129. Power steering leak
  130. 99 Northstar burning coolant somewhere!
  131. Data loging with performance monitoring and measuring devices
  132. Help With My 99' N* Hg Job
  133. Low oil pressure warning
  134. engine-trans bolts
  135. Valve Train Ticking
  136. What peformance chip is better for 02 dts?
  137. Wrong headbolts
  138. Changing HG, will heads be ok?
  139. N* Stock Internals
  140. Oil missing from pan
  141. 93-99 Dis ????
  142. So, i just talked to one of the engineers at GM that worked on the northstar
  143. 02 deville spark plug replacement
  144. Finding New Mechanic: Questions to Ask
  145. Myth!!!!! Octane 99 and prior VS 00+
  146. Interesting problem - highway stalling
  147. just installed alternator, NOW WHAT!
  148. How much horsepower in 1997 Professional Chassis (Limo)?
  149. A\C Question!!!!!!!!!!!!!!
  150. How to get out cylinder head alignment bushings???
  151. Tim Allens 400HP naturally asp. N*
  152. cracked engine block
  153. 1997 DeVille Head Gasket Repair
  154. Solid Motor Mount?
  155. lower motor mount
  156. low oil pressure / battery no charge on DIC
  157. '98 STS Camshaft
  158. 05 DTS Northstar fuel economy
  159. Leaking Head Gaskets & Extended Warranty
  160. p1375 icm 24x reference voltage too high and p1350 ignition control system
  161. 00 deville cylinder #4
  162. Northstar overheating causes
  163. locating dowels
  164. 00 deville P0300
  165. Changing spark plugs on a Northstar
  166. can't find anyone who knows the answer
  167. 94 sts strange issue
  168. 30,000 mile service
  169. 98 sts bogging and backfiring
  170. symptoms and cuases of headgasket
  171. 2007 Northstar VIN A PCM Pinouts
  172. Interesting Observation with Volant.
  173. Suggest new catorgory"Northstar Tuning"
  174. Question about Dexcool for the Northstar 4.6
  175. 99 STS in Distress
  176. p0300 Engine Misfire
  177. Need Some Feedback
  178. P0171 and P0174 codes: Intake leak?
  179. TC0073 ???? I have searched with not a REAL answer
  180. carbon on tailpipes, and why?
  181. are time serts asbsolutely necessary
  182. Replacing various parts
  183. new radiator
  184. N* HG Repair, Drop cradle or Pull engine?
  185. Cheap Mechanic in Des Moines?
  186. Cooling Fans NEED HELP.
  187. P094 = Tranny rebuilt?
  188. Problems with N* motor
  189. Considering used Northstar- need advice
  190. More Northstar head gasket questions...
  191. Help with two noises from '97 Northstar
  192. i need help on how to change my headgasket on my 99 seville sls
  193. Back Pressure in Cooling System?
  194. what is OBDII
  195. WANTED Time Sert Kit Rental
  196. **Update** Head gasket on 99 Deville
  197. '94 N* Touring coupe with PO37 code?
  198. Check Engine Codes, vibration
  199. 94 STS Won't accelerate w/o almost stalling the engine.
  200. broken coolant reservoir in my N*
  201. Water pump replacement
  202. 2000 N* is it safe to fill it with a non sinthetic oil?
  203. Sudden drop in fuel economy with AC on
  204. Lambo V12 similiar to N*?
  205. Timing chain tensioner tool
  206. Could a bad catalytic converter also decrease my gas mileage?
  207. Is DEX save for engines?
  208. still overheating
  209. Replaced your Power Steering Pump? Come on IN!!!
  210. 01Deville MISFIRE
  211. 99 N* Issue
  212. bad cylinder
  213. Think Northstar headgaskets are expensive??
  214. Coolant Smell after Shut Down?
  215. 00 DeVille check coolant level
  216. dyno #s
  217. Aurora N* questions
  218. Cheapest way to do HG's?????
  219. I found my leak, now i need help
  220. Is the N* overrated?
  221. Northstar crate or rebuild??
  222. Timesert pulled when torquing headbolts-What Now??
  223. I Need Cheap 97 insert kit
  224. 99 Deville over heating NOT HG I think
  225. 02/03 Alternator regulator
  226. 98 deville fluttering sound
  227. A/C Recharging Help
  228. 99 ELDO coolant level Question.
  229. Sign of upcoming headgasket problem?
  230. head bolts
  231. tachometer like a rollercoaster...
  232. overheating problem
  233. Northstar owner loosing faith
  234. Fuel Injector Problem I Think
  235. Transmission Fluid
  236. Alternator
  237. Coolant Loss and Overheating
  238. Harmonic Balancer. Dangerous?
  239. Someone please help, i need to know whats this part.
  240. Suspension compressor lube and NRV - help!
  241. Superchargers are here!
  242. 93 to 99 O/H assembly
  243. 93 to 99 Northstar dis-assembly and inspection
  244. RWD Northstar information
  245. 2000 to 2004 or 5 Northstar information
  246. 4.4L information
  247. Northstar "check coolant level" -- trying to understand basics
  248. Northstar head gaskets replaced -- a good thing?
  249. Head Bolt Torque Value?
  250. Biggest Question To All..