: Northstar Engines and System Technical Discussion



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