: Northstar Engines and System Technical Discussion



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  1. Mass air flow sensor Help please
  2. oil cooler
  3. Engine just dies
  4. Swapping Engine To A Non-Northstar
  5. I have a little oil in the spark plug wells, anything to worry about?
  6. setting timing
  7. How about a Northstar Survival Guide
  8. what color is dexcool?
  9. Engine revving on its own
  10. Northstar remanufactured engine source
  11. "If it wasn't for bad luck....you know the rest
  12. Hitting 150k or more, is it realistic on my car?
  13. Time-Sert
  14. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  15. front motor mount
  16. Is it Normal to Leak????
  17. Power steering leak
  18. 99 Northstar burning coolant somewhere!
  19. Data loging with performance monitoring and measuring devices
  20. Help With My 99' N* Hg Job
  21. Low oil pressure warning
  22. engine-trans bolts
  23. Valve Train Ticking
  24. What peformance chip is better for 02 dts?
  25. Wrong headbolts
  26. Changing HG, will heads be ok?
  27. N* Stock Internals
  28. Oil missing from pan
  29. 93-99 Dis ????
  30. So, i just talked to one of the engineers at GM that worked on the northstar
  31. 02 deville spark plug replacement
  32. Finding New Mechanic: Questions to Ask
  33. Myth!!!!! Octane 99 and prior VS 00+
  34. Interesting problem - highway stalling
  35. just installed alternator, NOW WHAT!
  36. How much horsepower in 1997 Professional Chassis (Limo)?
  37. A\C Question!!!!!!!!!!!!!!
  38. How to get out cylinder head alignment bushings???
  39. Tim Allens 400HP naturally asp. N*
  40. cracked engine block
  41. 1997 DeVille Head Gasket Repair
  42. Solid Motor Mount?
  43. lower motor mount
  44. low oil pressure / battery no charge on DIC
  45. '98 STS Camshaft
  46. 05 DTS Northstar fuel economy
  47. Leaking Head Gaskets & Extended Warranty
  48. p1375 icm 24x reference voltage too high and p1350 ignition control system
  49. 00 deville cylinder #4
  50. Northstar overheating causes
  51. locating dowels
  52. 00 deville P0300
  53. Changing spark plugs on a Northstar
  54. can't find anyone who knows the answer
  55. 94 sts strange issue
  56. 30,000 mile service
  57. 98 sts bogging and backfiring
  58. symptoms and cuases of headgasket
  59. 2007 Northstar VIN A PCM Pinouts
  60. Interesting Observation with Volant.
  61. Suggest new catorgory"Northstar Tuning"
  62. Question about Dexcool for the Northstar 4.6
  63. 99 STS in Distress
  64. p0300 Engine Misfire
  65. Need Some Feedback
  66. P0171 and P0174 codes: Intake leak?
  67. TC0073 ???? I have searched with not a REAL answer
  68. carbon on tailpipes, and why?
  69. are time serts asbsolutely necessary
  70. Replacing various parts
  71. new radiator
  72. N* HG Repair, Drop cradle or Pull engine?
  73. Cheap Mechanic in Des Moines?
  74. Cooling Fans NEED HELP.
  75. P094 = Tranny rebuilt?
  76. Problems with N* motor
  77. Considering used Northstar- need advice
  78. More Northstar head gasket questions...
  79. Help with two noises from '97 Northstar
  80. i need help on how to change my headgasket on my 99 seville sls
  81. Back Pressure in Cooling System?
  82. what is OBDII
  83. WANTED Time Sert Kit Rental
  84. **Update** Head gasket on 99 Deville
  85. '94 N* Touring coupe with PO37 code?
  86. Check Engine Codes, vibration
  87. 94 STS Won't accelerate w/o almost stalling the engine.
  88. broken coolant reservoir in my N*
  89. Water pump replacement
  90. 2000 N* is it safe to fill it with a non sinthetic oil?
  91. Sudden drop in fuel economy with AC on
  92. Lambo V12 similiar to N*?
  93. Timing chain tensioner tool
  94. Could a bad catalytic converter also decrease my gas mileage?
  95. Is DEX save for engines?
  96. still overheating
  97. Replaced your Power Steering Pump? Come on IN!!!
  98. 01Deville MISFIRE
  99. 99 N* Issue
  100. bad cylinder
  101. Think Northstar headgaskets are expensive??
  102. Coolant Smell after Shut Down?
  103. 00 DeVille check coolant level
  104. dyno #s
  105. Aurora N* questions
  106. Cheapest way to do HG's?????
  107. I found my leak, now i need help
  108. Is the N* overrated?
  109. Northstar crate or rebuild??
  110. Timesert pulled when torquing headbolts-What Now??
  111. I Need Cheap 97 insert kit
  112. 99 Deville over heating NOT HG I think
  113. 02/03 Alternator regulator
  114. 98 deville fluttering sound
  115. A/C Recharging Help
  116. 99 ELDO coolant level Question.
  117. Sign of upcoming headgasket problem?
  118. head bolts
  119. tachometer like a rollercoaster...
  120. overheating problem
  121. Northstar owner loosing faith
  122. Fuel Injector Problem I Think
  123. Transmission Fluid
  124. Alternator
  125. Coolant Loss and Overheating
  126. Harmonic Balancer. Dangerous?
  127. Someone please help, i need to know whats this part.
  128. Suspension compressor lube and NRV - help!
  129. Superchargers are here!
  130. 93 to 99 O/H assembly
  131. 93 to 99 Northstar dis-assembly and inspection
  132. RWD Northstar information
  133. 2000 to 2004 or 5 Northstar information
  134. 4.4L information
  135. Northstar "check coolant level" -- trying to understand basics
  136. Northstar head gaskets replaced -- a good thing?
  137. Head Bolt Torque Value?
  138. Biggest Question To All..
  139. Re-mounting PCM - Idea?
  140. Coolant use
  141. How to clean Piston Rings my way
  142. 4T80E 3.11 to 3.71 swap
  143. Differences in Northstars - '93-'97, also cheap head gasket fix...
  144. What weight and type oil to use?
  145. Rochester QJ and N* Throttlebodies
  146. Another coolant/radiator/headgasket question
  147. northstar shuts down
  148. Head Gasket or Something Else (Steamy Exhaust)
  149. Help with codes from DIC
  150. need N* casting/part#s for ID
  151. How do you pull injectors????
  152. Crank sensor and PCM History
  153. For you guys who have done a headgasket job on the 4.6
  154. Camshaft Pulley will not come off!!
  155. Volant - The long awaited very custom install (pics)
  156. Older (95) Northstar Re-Torque?
  157. Need Help DIC Warning Messages (w/Codes!)
  158. pricing Time Serts
  159. Second Head Gasket problem, 93 Eldorado
  160. '05 DeVille, Two Black Cam Covers?
  161. fuel system tune up?
  162. changing N* oil w/o lift
  163. N* teardown for successful timing on assembly
  164. Factory strut tower brace and "dogbones" - can i do better?
  165. 00 to 05 T-body Dimensions
  166. How bad am I getting screwed?
  167. 97' deville---new radiator but now losing engine oil
  168. In Need of Timersert
  169. I think it's the Tensioner
  170. Induction system and adhesives
  171. top speed
  172. 1997 cadillac devill d,elegance
  173. '95 SLS Rough Idle
  174. HELP! Code P1646.. Evaporative emission (EVAP) vent Solenoid Control Circuit
  175. NS300L Insert System, Anyone have these kind?
  176. Nitrous is Here!!
  177. Presidential Limo Breaks Down
  178. Surge Tank
  179. Need Help Guys 00 Northstar Coil Problem
  180. CHRFAB Intake Manifold
  181. Looked up codes but still confused
  182. Head gasket problem in '97 STS, looking for a new engine
  183. TCC codes P0741 & P1860 questions
  184. Transmission Swap
  185. 1997 STS problems
  186. O2 repair-Domino Effect-Need Help
  187. 98 STS engine swap -need a bit of help
  188. performance options
  189. separating motor and transaxle??
  190. cant fix hard hot start for the life of me
  191. Water Pump Replaced (99 Deville)
  192. 95 SLS n* timesert completed-special tool made!
  193. my magnaflow exhaus vid yes another
  194. Translate 96 Codes
  195. What percentage of Northstar engines have headgasket problems?
  196. Coolant
  197. Leaking Transmission Fluid
  198. intermittent random oil pressure light?
  199. Northstar average engine temp ?
  200. A Little "smoke" From The Back Of A 1993 N* Sts
  201. 99 Deville Check Engine Light
  202. N* Injectors?
  203. My 2001 STS' Repair History
  204. Magnaflow exhaust
  205. timings off
  206. High Idle + no Brake
  207. 2000 ElDorado Coach Builders LTD Hard Boot
  208. Serpentine Belt Shredded/radiator Has Leak Now
  209. Temp rise after giving it gas
  210. Timeserts good for the WOT tune-up?
  211. Prestone Extended Life Coolant - All Makes and Models
  212. any tips for inserting fuel injector back into fuel rail?
  213. Timsert Kit for sale unused, 1999/earlier N*
  214. Videoclip of new Exhaust (for those who missed my other thread)
  215. ok kinda noobish but give me a quick reply
  216. Mystery Grind in Transmission, Engine, Where?
  217. how long does it take to replace and install fuel injectors
  218. radiator
  219. The NEW Cat-Back is DONE! (kinda)
  220. where can I purchase a fuel injector remover tool?
  221. Oil (lots) in No. 2 cyl
  222. NEED HELP, T061, and S030 codes, have info but no solution
  223. Anyone got a Timesert Bigsert Kit?
  224. Time-Sert
  225. Name this part (again)
  226. Engine Overheat Brake Caliper??
  227. Blue smoke.
  228. Head Gasket Repair Questions
  229. Northstar Starting problems
  230. Torque Management VS Traction Control Reduced Torque
  231. 4T80E Modification
  232. electrical problem Northstar
  233. Intake full of sludge/Intake removal
  234. HP Tuners now offering V6 & V8 Tuning Systems
  235. Need help and advice on installing the new Northstar
  236. 94 eldo pcm code P083
  237. Northstar Powered MR2?
  238. A river runs through it - valve covers and PCV baffles
  239. put on magnaflow mufflers still quiet?
  240. 1997 Cadillac STS
  241. Whats tickin, good lookin?
  242. NorthStar Missing?
  243. Better mpg in the city with the traction control OFF?
  244. Moving Tapping Noise/Knocking Noises
  245. quick performance question
  246. 94 Sts Export Ecm
  247. where can i find the serial # on the v8 northstar 98
  248. Oil Pressure Problem (yeah another one...)
  249. GM EOS Asst Lube
  250. Northstar Oil Change Procedure