: Northstar Engines and System Technical Discussion



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  1. How to tell if block is timeserted?
  2. HELP ME!!!! What is the difference between ECON and Auto
  3. clogged cat = overheating?
  4. 2000-up coil pack crack
  5. 93 sts trans solenoids?
  6. Sealing off a blown head gasket
  7. Rear Main Seal
  8. Oil Life % vs. Reality
  9. Time out!!
  10. engines misses after teardown
  11. 93 STS Northstar won't start
  12. Motor build for sand rail
  13. What kind of gas mileage do you get with your Northstar?
  14. crank sensors
  15. 4.0 Northstar No Start PLEASE HELP!!!
  16. What Northstar do I have?
  17. 96 Eldorado ETC - Blown head gasket
  18. Radiator hoses
  19. headgasket pics
  20. Converter Size
  21. Cylinder Head Reconditioning
  22. 02 sts N* Engine knock
  23. MAF Issues
  24. Oil Pressure Issue - 2000 Cadillac DeVille
  25. Northstar mechanic in the Massachusetts??
  26. Need Help
  27. 93 sts misses and no 2-3 shift
  28. Good fresh tim-serted 94' SLS engine on ebay.
  29. Help, still overheating after headgasket job .
  30. Cooling fan motor bad?
  31. Roots style S/C for the northstar. Anytakers?
  32. front HVAC blower not working on 2000 deville
  33. 1995 STS won't start
  34. 94 4.6L SLS/STS Engine on Ebay
  35. oil level sensor
  36. Thought I had all the parts
  37. '99 Deville stalled and wont start
  38. 96 Deville stumbles on acceleration
  39. Spark Plug Gap
  40. P094 code
  41. 2001 Northstar 4.6 in 99 sts body??
  42. Short runner intake
  43. Bad Waterpump???
  44. Making a trip to fastchip
  45. Fan runs while car is shut off
  46. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  47. Backfired while starting, now I have a miss!
  48. Octane Boosters
  49. Code Question
  50. sluggish n* in a 96 eldo
  51. 03 4.6 Loud engine knock caused by roller rockers
  52. I did the intake and exhaust and no difference
  53. looking at a scangauge 2 / question about pulling codes
  54. starter gives a single click
  55. PCM Data, PD42 Octane?
  56. Made the switch to Rotella...
  57. Crank seal replacement cost??
  58. Headlight problem!
  59. 99 STS blown head gasket. what to do??
  60. Turning off Injectors = Save fuel?
  61. A/C Question
  62. Two pricing question
  63. 1995 STS Performance ?
  64. I052 Code + Stalling + Instrument Panel Reset
  65. Oil pressure Sending Unit
  66. P/S pump leak
  67. Oil Leak
  68. "Low Refrigerant" & "A/C Compressor Off" B1348
  69. 95 Deville Concours performance
  70. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  71. new exhaust with #s
  72. Main bearing Torque Values? '94 4.6L SLS
  73. What tools needed to replace idle control motor on N*?
  74. Sooty Stalling 98 Deville
  75. New N* Owner - What to look for?
  76. Will the REAL Dexcool Please Stand Up?
  77. Rustling noise and loss of power
  78. Mass air flow sensor Help please
  79. oil cooler
  80. Engine just dies
  81. Swapping Engine To A Non-Northstar
  82. I have a little oil in the spark plug wells, anything to worry about?
  83. setting timing
  84. How about a Northstar Survival Guide
  85. what color is dexcool?
  86. Engine revving on its own
  87. Northstar remanufactured engine source
  88. "If it wasn't for bad luck....you know the rest
  89. Hitting 150k or more, is it realistic on my car?
  90. Time-Sert
  91. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  92. front motor mount
  93. Is it Normal to Leak????
  94. Power steering leak
  95. 99 Northstar burning coolant somewhere!
  96. Data loging with performance monitoring and measuring devices
  97. Help With My 99' N* Hg Job
  98. Low oil pressure warning
  99. engine-trans bolts
  100. Valve Train Ticking
  101. What peformance chip is better for 02 dts?
  102. Wrong headbolts
  103. Changing HG, will heads be ok?
  104. N* Stock Internals
  105. Oil missing from pan
  106. 93-99 Dis ????
  107. So, i just talked to one of the engineers at GM that worked on the northstar
  108. 02 deville spark plug replacement
  109. Finding New Mechanic: Questions to Ask
  110. Myth!!!!! Octane 99 and prior VS 00+
  111. Interesting problem - highway stalling
  112. just installed alternator, NOW WHAT!
  113. How much horsepower in 1997 Professional Chassis (Limo)?
  114. A\C Question!!!!!!!!!!!!!!
  115. How to get out cylinder head alignment bushings???
  116. Tim Allens 400HP naturally asp. N*
  117. cracked engine block
  118. 1997 DeVille Head Gasket Repair
  119. Solid Motor Mount?
  120. lower motor mount
  121. low oil pressure / battery no charge on DIC
  122. '98 STS Camshaft
  123. 05 DTS Northstar fuel economy
  124. Leaking Head Gaskets & Extended Warranty
  125. p1375 icm 24x reference voltage too high and p1350 ignition control system
  126. 00 deville cylinder #4
  127. Northstar overheating causes
  128. locating dowels
  129. 00 deville P0300
  130. Changing spark plugs on a Northstar
  131. can't find anyone who knows the answer
  132. 94 sts strange issue
  133. 30,000 mile service
  134. 98 sts bogging and backfiring
  135. symptoms and cuases of headgasket
  136. 2007 Northstar VIN A PCM Pinouts
  137. Interesting Observation with Volant.
  138. Suggest new catorgory"Northstar Tuning"
  139. Question about Dexcool for the Northstar 4.6
  140. 99 STS in Distress
  141. p0300 Engine Misfire
  142. Need Some Feedback
  143. P0171 and P0174 codes: Intake leak?
  144. TC0073 ???? I have searched with not a REAL answer
  145. carbon on tailpipes, and why?
  146. are time serts asbsolutely necessary
  147. Replacing various parts
  148. new radiator
  149. N* HG Repair, Drop cradle or Pull engine?
  150. Cheap Mechanic in Des Moines?
  151. Cooling Fans NEED HELP.
  152. P094 = Tranny rebuilt?
  153. Problems with N* motor
  154. Considering used Northstar- need advice
  155. More Northstar head gasket questions...
  156. Help with two noises from '97 Northstar
  157. i need help on how to change my headgasket on my 99 seville sls
  158. Back Pressure in Cooling System?
  159. what is OBDII
  160. WANTED Time Sert Kit Rental
  161. **Update** Head gasket on 99 Deville
  162. '94 N* Touring coupe with PO37 code?
  163. Check Engine Codes, vibration
  164. 94 STS Won't accelerate w/o almost stalling the engine.
  165. broken coolant reservoir in my N*
  166. Water pump replacement
  167. 2000 N* is it safe to fill it with a non sinthetic oil?
  168. Sudden drop in fuel economy with AC on
  169. Lambo V12 similiar to N*?
  170. Timing chain tensioner tool
  171. Could a bad catalytic converter also decrease my gas mileage?
  172. Is DEX save for engines?
  173. still overheating
  174. Replaced your Power Steering Pump? Come on IN!!!
  175. 01Deville MISFIRE
  176. 99 N* Issue
  177. bad cylinder
  178. Think Northstar headgaskets are expensive??
  179. Coolant Smell after Shut Down?
  180. 00 DeVille check coolant level
  181. dyno #s
  182. Aurora N* questions
  183. Cheapest way to do HG's?????
  184. I found my leak, now i need help
  185. Is the N* overrated?
  186. Northstar crate or rebuild??
  187. Timesert pulled when torquing headbolts-What Now??
  188. I Need Cheap 97 insert kit
  189. 99 Deville over heating NOT HG I think
  190. 02/03 Alternator regulator
  191. 98 deville fluttering sound
  192. A/C Recharging Help
  193. 99 ELDO coolant level Question.
  194. Sign of upcoming headgasket problem?
  195. head bolts
  196. tachometer like a rollercoaster...
  197. overheating problem
  198. Northstar owner loosing faith
  199. Fuel Injector Problem I Think
  200. Transmission Fluid
  201. Alternator
  202. Coolant Loss and Overheating
  203. Harmonic Balancer. Dangerous?
  204. Someone please help, i need to know whats this part.
  205. Suspension compressor lube and NRV - help!
  206. Superchargers are here!
  207. 93 to 99 O/H assembly
  208. 93 to 99 Northstar dis-assembly and inspection
  209. RWD Northstar information
  210. 2000 to 2004 or 5 Northstar information
  211. 4.4L information
  212. Northstar "check coolant level" -- trying to understand basics
  213. Northstar head gaskets replaced -- a good thing?
  214. Head Bolt Torque Value?
  215. Biggest Question To All..
  216. Re-mounting PCM - Idea?
  217. Coolant use
  218. How to clean Piston Rings my way
  219. 4T80E 3.11 to 3.71 swap
  220. Differences in Northstars - '93-'97, also cheap head gasket fix...
  221. What weight and type oil to use?
  222. Rochester QJ and N* Throttlebodies
  223. Another coolant/radiator/headgasket question
  224. northstar shuts down
  225. Head Gasket or Something Else (Steamy Exhaust)
  226. Help with codes from DIC
  227. need N* casting/part#s for ID
  228. How do you pull injectors????
  229. Crank sensor and PCM History
  230. For you guys who have done a headgasket job on the 4.6
  231. Camshaft Pulley will not come off!!
  232. Volant - The long awaited very custom install (pics)
  233. Older (95) Northstar Re-Torque?
  234. Need Help DIC Warning Messages (w/Codes!)
  235. pricing Time Serts
  236. Second Head Gasket problem, 93 Eldorado
  237. '05 DeVille, Two Black Cam Covers?
  238. fuel system tune up?
  239. changing N* oil w/o lift
  240. N* teardown for successful timing on assembly
  241. Factory strut tower brace and "dogbones" - can i do better?
  242. 00 to 05 T-body Dimensions
  243. How bad am I getting screwed?
  244. 97' deville---new radiator but now losing engine oil
  245. In Need of Timersert
  246. I think it's the Tensioner
  247. Induction system and adhesives
  248. top speed
  249. 1997 cadillac devill d,elegance
  250. '95 SLS Rough Idle