: Northstar Engines and System Technical Discussion



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  1. What Northstar do I have?
  2. 96 Eldorado ETC - Blown head gasket
  3. Radiator hoses
  4. headgasket pics
  5. Converter Size
  6. Cylinder Head Reconditioning
  7. 02 sts N* Engine knock
  8. MAF Issues
  9. Oil Pressure Issue - 2000 Cadillac DeVille
  10. Northstar mechanic in the Massachusetts??
  11. Need Help
  12. 93 sts misses and no 2-3 shift
  13. Good fresh tim-serted 94' SLS engine on ebay.
  14. Help, still overheating after headgasket job .
  15. Cooling fan motor bad?
  16. Roots style S/C for the northstar. Anytakers?
  17. front HVAC blower not working on 2000 deville
  18. 1995 STS won't start
  19. 94 4.6L SLS/STS Engine on Ebay
  20. oil level sensor
  21. Thought I had all the parts
  22. '99 Deville stalled and wont start
  23. 96 Deville stumbles on acceleration
  24. Spark Plug Gap
  25. P094 code
  26. 2001 Northstar 4.6 in 99 sts body??
  27. Short runner intake
  28. Bad Waterpump???
  29. Making a trip to fastchip
  30. Fan runs while car is shut off
  31. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  32. Backfired while starting, now I have a miss!
  33. Octane Boosters
  34. Code Question
  35. sluggish n* in a 96 eldo
  36. 03 4.6 Loud engine knock caused by roller rockers
  37. I did the intake and exhaust and no difference
  38. looking at a scangauge 2 / question about pulling codes
  39. starter gives a single click
  40. PCM Data, PD42 Octane?
  41. Made the switch to Rotella...
  42. Crank seal replacement cost??
  43. Headlight problem!
  44. 99 STS blown head gasket. what to do??
  45. Turning off Injectors = Save fuel?
  46. A/C Question
  47. Two pricing question
  48. 1995 STS Performance ?
  49. I052 Code + Stalling + Instrument Panel Reset
  50. Oil pressure Sending Unit
  51. P/S pump leak
  52. Oil Leak
  53. "Low Refrigerant" & "A/C Compressor Off" B1348
  54. 95 Deville Concours performance
  55. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  56. new exhaust with #s
  57. Main bearing Torque Values? '94 4.6L SLS
  58. What tools needed to replace idle control motor on N*?
  59. Sooty Stalling 98 Deville
  60. New N* Owner - What to look for?
  61. Will the REAL Dexcool Please Stand Up?
  62. Rustling noise and loss of power
  63. Mass air flow sensor Help please
  64. oil cooler
  65. Engine just dies
  66. Swapping Engine To A Non-Northstar
  67. I have a little oil in the spark plug wells, anything to worry about?
  68. setting timing
  69. How about a Northstar Survival Guide
  70. what color is dexcool?
  71. Engine revving on its own
  72. Northstar remanufactured engine source
  73. "If it wasn't for bad luck....you know the rest
  74. Hitting 150k or more, is it realistic on my car?
  75. Time-Sert
  76. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  77. front motor mount
  78. Is it Normal to Leak????
  79. Power steering leak
  80. 99 Northstar burning coolant somewhere!
  81. Data loging with performance monitoring and measuring devices
  82. Help With My 99' N* Hg Job
  83. Low oil pressure warning
  84. engine-trans bolts
  85. Valve Train Ticking
  86. What peformance chip is better for 02 dts?
  87. Wrong headbolts
  88. Changing HG, will heads be ok?
  89. N* Stock Internals
  90. Oil missing from pan
  91. 93-99 Dis ????
  92. So, i just talked to one of the engineers at GM that worked on the northstar
  93. 02 deville spark plug replacement
  94. Finding New Mechanic: Questions to Ask
  95. Myth!!!!! Octane 99 and prior VS 00+
  96. Interesting problem - highway stalling
  97. just installed alternator, NOW WHAT!
  98. How much horsepower in 1997 Professional Chassis (Limo)?
  99. A\C Question!!!!!!!!!!!!!!
  100. How to get out cylinder head alignment bushings???
  101. Tim Allens 400HP naturally asp. N*
  102. cracked engine block
  103. 1997 DeVille Head Gasket Repair
  104. Solid Motor Mount?
  105. lower motor mount
  106. low oil pressure / battery no charge on DIC
  107. '98 STS Camshaft
  108. 05 DTS Northstar fuel economy
  109. Leaking Head Gaskets & Extended Warranty
  110. p1375 icm 24x reference voltage too high and p1350 ignition control system
  111. 00 deville cylinder #4
  112. Northstar overheating causes
  113. locating dowels
  114. 00 deville P0300
  115. Changing spark plugs on a Northstar
  116. can't find anyone who knows the answer
  117. 94 sts strange issue
  118. 30,000 mile service
  119. 98 sts bogging and backfiring
  120. symptoms and cuases of headgasket
  121. 2007 Northstar VIN A PCM Pinouts
  122. Interesting Observation with Volant.
  123. Suggest new catorgory"Northstar Tuning"
  124. Question about Dexcool for the Northstar 4.6
  125. 99 STS in Distress
  126. p0300 Engine Misfire
  127. Need Some Feedback
  128. P0171 and P0174 codes: Intake leak?
  129. TC0073 ???? I have searched with not a REAL answer
  130. carbon on tailpipes, and why?
  131. are time serts asbsolutely necessary
  132. Replacing various parts
  133. new radiator
  134. N* HG Repair, Drop cradle or Pull engine?
  135. Cheap Mechanic in Des Moines?
  136. Cooling Fans NEED HELP.
  137. P094 = Tranny rebuilt?
  138. Problems with N* motor
  139. Considering used Northstar- need advice
  140. More Northstar head gasket questions...
  141. Help with two noises from '97 Northstar
  142. i need help on how to change my headgasket on my 99 seville sls
  143. Back Pressure in Cooling System?
  144. what is OBDII
  145. WANTED Time Sert Kit Rental
  146. **Update** Head gasket on 99 Deville
  147. '94 N* Touring coupe with PO37 code?
  148. Check Engine Codes, vibration
  149. 94 STS Won't accelerate w/o almost stalling the engine.
  150. broken coolant reservoir in my N*
  151. Water pump replacement
  152. 2000 N* is it safe to fill it with a non sinthetic oil?
  153. Sudden drop in fuel economy with AC on
  154. Lambo V12 similiar to N*?
  155. Timing chain tensioner tool
  156. Could a bad catalytic converter also decrease my gas mileage?
  157. Is DEX save for engines?
  158. still overheating
  159. Replaced your Power Steering Pump? Come on IN!!!
  160. 01Deville MISFIRE
  161. 99 N* Issue
  162. bad cylinder
  163. Think Northstar headgaskets are expensive??
  164. Coolant Smell after Shut Down?
  165. 00 DeVille check coolant level
  166. dyno #s
  167. Aurora N* questions
  168. Cheapest way to do HG's?????
  169. I found my leak, now i need help
  170. Is the N* overrated?
  171. Northstar crate or rebuild??
  172. Timesert pulled when torquing headbolts-What Now??
  173. I Need Cheap 97 insert kit
  174. 99 Deville over heating NOT HG I think
  175. 02/03 Alternator regulator
  176. 98 deville fluttering sound
  177. A/C Recharging Help
  178. 99 ELDO coolant level Question.
  179. Sign of upcoming headgasket problem?
  180. head bolts
  181. tachometer like a rollercoaster...
  182. overheating problem
  183. Northstar owner loosing faith
  184. Fuel Injector Problem I Think
  185. Transmission Fluid
  186. Alternator
  187. Coolant Loss and Overheating
  188. Harmonic Balancer. Dangerous?
  189. Someone please help, i need to know whats this part.
  190. Suspension compressor lube and NRV - help!
  191. Superchargers are here!
  192. 93 to 99 O/H assembly
  193. 93 to 99 Northstar dis-assembly and inspection
  194. RWD Northstar information
  195. 2000 to 2004 or 5 Northstar information
  196. 4.4L information
  197. Northstar "check coolant level" -- trying to understand basics
  198. Northstar head gaskets replaced -- a good thing?
  199. Head Bolt Torque Value?
  200. Biggest Question To All..
  201. Re-mounting PCM - Idea?
  202. Coolant use
  203. How to clean Piston Rings my way
  204. 4T80E 3.11 to 3.71 swap
  205. Differences in Northstars - '93-'97, also cheap head gasket fix...
  206. What weight and type oil to use?
  207. Rochester QJ and N* Throttlebodies
  208. Another coolant/radiator/headgasket question
  209. northstar shuts down
  210. Head Gasket or Something Else (Steamy Exhaust)
  211. Help with codes from DIC
  212. need N* casting/part#s for ID
  213. How do you pull injectors????
  214. Crank sensor and PCM History
  215. For you guys who have done a headgasket job on the 4.6
  216. Camshaft Pulley will not come off!!
  217. Volant - The long awaited very custom install (pics)
  218. Older (95) Northstar Re-Torque?
  219. Need Help DIC Warning Messages (w/Codes!)
  220. pricing Time Serts
  221. Second Head Gasket problem, 93 Eldorado
  222. '05 DeVille, Two Black Cam Covers?
  223. fuel system tune up?
  224. changing N* oil w/o lift
  225. N* teardown for successful timing on assembly
  226. Factory strut tower brace and "dogbones" - can i do better?
  227. 00 to 05 T-body Dimensions
  228. How bad am I getting screwed?
  229. 97' deville---new radiator but now losing engine oil
  230. In Need of Timersert
  231. I think it's the Tensioner
  232. Induction system and adhesives
  233. top speed
  234. 1997 cadillac devill d,elegance
  235. '95 SLS Rough Idle
  236. HELP! Code P1646.. Evaporative emission (EVAP) vent Solenoid Control Circuit
  237. NS300L Insert System, Anyone have these kind?
  238. Nitrous is Here!!
  239. Presidential Limo Breaks Down
  240. Surge Tank
  241. Need Help Guys 00 Northstar Coil Problem
  242. CHRFAB Intake Manifold
  243. Looked up codes but still confused
  244. Head gasket problem in '97 STS, looking for a new engine
  245. TCC codes P0741 & P1860 questions
  246. Transmission Swap
  247. 1997 STS problems
  248. O2 repair-Domino Effect-Need Help
  249. 2004 Northstar - Tapping Noise, Lifter Or Timing Chain?
  250. 98 STS engine swap -need a bit of help