: Northstar Engines and System Technical Discussion



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  1. Coolant leak...
  2. Northstar motor install
  3. overheating, waterpump? 2002 deville w/ 120k miles
  4. Transmission won't "kickdown" 1994 Eldorado
  5. Blocks cracking on final head torque?
  6. How to remove timeserts?
  7. crankshaft postion sensor
  8. '05 STS - Slipping Transmission at low MPH
  9. rear wheel drive conversion
  10. Cadillac Overheating Issues
  11. humming noise
  12. Clogged vacuum port to fuel pressure regulator
  13. thermostat starting to rise in strange way
  14. overheating , but ez fix?
  15. intermittent "hard start" when car at operating temp
  16. How to tell if block is timeserted?
  17. HELP ME!!!! What is the difference between ECON and Auto
  18. clogged cat = overheating?
  19. 2000-up coil pack crack
  20. 93 sts trans solenoids?
  21. Sealing off a blown head gasket
  22. Rear Main Seal
  23. Oil Life % vs. Reality
  24. Time out!!
  25. engines misses after teardown
  26. 93 STS Northstar won't start
  27. Motor build for sand rail
  28. What kind of gas mileage do you get with your Northstar?
  29. crank sensors
  30. 4.0 Northstar No Start PLEASE HELP!!!
  31. What Northstar do I have?
  32. 96 Eldorado ETC - Blown head gasket
  33. Radiator hoses
  34. headgasket pics
  35. Converter Size
  36. Cylinder Head Reconditioning
  37. 02 sts N* Engine knock
  38. MAF Issues
  39. Oil Pressure Issue - 2000 Cadillac DeVille
  40. Northstar mechanic in the Massachusetts??
  41. Need Help
  42. 93 sts misses and no 2-3 shift
  43. Good fresh tim-serted 94' SLS engine on ebay.
  44. Help, still overheating after headgasket job .
  45. Cooling fan motor bad?
  46. Roots style S/C for the northstar. Anytakers?
  47. front HVAC blower not working on 2000 deville
  48. 1995 STS won't start
  49. 94 4.6L SLS/STS Engine on Ebay
  50. oil level sensor
  51. Thought I had all the parts
  52. '99 Deville stalled and wont start
  53. 96 Deville stumbles on acceleration
  54. Spark Plug Gap
  55. P094 code
  56. 2001 Northstar 4.6 in 99 sts body??
  57. Short runner intake
  58. Bad Waterpump???
  59. Making a trip to fastchip
  60. Fan runs while car is shut off
  61. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  62. Backfired while starting, now I have a miss!
  63. Octane Boosters
  64. Code Question
  65. sluggish n* in a 96 eldo
  66. 03 4.6 Loud engine knock caused by roller rockers
  67. I did the intake and exhaust and no difference
  68. looking at a scangauge 2 / question about pulling codes
  69. starter gives a single click
  70. PCM Data, PD42 Octane?
  71. Made the switch to Rotella...
  72. Crank seal replacement cost??
  73. Headlight problem!
  74. 99 STS blown head gasket. what to do??
  75. Turning off Injectors = Save fuel?
  76. A/C Question
  77. Two pricing question
  78. 1995 STS Performance ?
  79. I052 Code + Stalling + Instrument Panel Reset
  80. Oil pressure Sending Unit
  81. P/S pump leak
  82. Oil Leak
  83. "Low Refrigerant" & "A/C Compressor Off" B1348
  84. 95 Deville Concours performance
  85. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  86. new exhaust with #s
  87. Main bearing Torque Values? '94 4.6L SLS
  88. What tools needed to replace idle control motor on N*?
  89. Sooty Stalling 98 Deville
  90. New N* Owner - What to look for?
  91. Will the REAL Dexcool Please Stand Up?
  92. Rustling noise and loss of power
  93. Mass air flow sensor Help please
  94. oil cooler
  95. Engine just dies
  96. Swapping Engine To A Non-Northstar
  97. I have a little oil in the spark plug wells, anything to worry about?
  98. setting timing
  99. How about a Northstar Survival Guide
  100. what color is dexcool?
  101. Engine revving on its own
  102. Northstar remanufactured engine source
  103. "If it wasn't for bad luck....you know the rest
  104. Hitting 150k or more, is it realistic on my car?
  105. Time-Sert
  106. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  107. front motor mount
  108. Is it Normal to Leak????
  109. Power steering leak
  110. 99 Northstar burning coolant somewhere!
  111. Data loging with performance monitoring and measuring devices
  112. Help With My 99' N* Hg Job
  113. Low oil pressure warning
  114. engine-trans bolts
  115. Valve Train Ticking
  116. What peformance chip is better for 02 dts?
  117. Wrong headbolts
  118. Changing HG, will heads be ok?
  119. N* Stock Internals
  120. Oil missing from pan
  121. 93-99 Dis ????
  122. So, i just talked to one of the engineers at GM that worked on the northstar
  123. 02 deville spark plug replacement
  124. Finding New Mechanic: Questions to Ask
  125. Myth!!!!! Octane 99 and prior VS 00+
  126. Interesting problem - highway stalling
  127. just installed alternator, NOW WHAT!
  128. How much horsepower in 1997 Professional Chassis (Limo)?
  129. A\C Question!!!!!!!!!!!!!!
  130. How to get out cylinder head alignment bushings???
  131. Tim Allens 400HP naturally asp. N*
  132. cracked engine block
  133. 1997 DeVille Head Gasket Repair
  134. Solid Motor Mount?
  135. lower motor mount
  136. low oil pressure / battery no charge on DIC
  137. '98 STS Camshaft
  138. 05 DTS Northstar fuel economy
  139. Leaking Head Gaskets & Extended Warranty
  140. p1375 icm 24x reference voltage too high and p1350 ignition control system
  141. 00 deville cylinder #4
  142. Northstar overheating causes
  143. locating dowels
  144. 00 deville P0300
  145. Changing spark plugs on a Northstar
  146. can't find anyone who knows the answer
  147. 94 sts strange issue
  148. 30,000 mile service
  149. 98 sts bogging and backfiring
  150. symptoms and cuases of headgasket
  151. 2007 Northstar VIN A PCM Pinouts
  152. Interesting Observation with Volant.
  153. Suggest new catorgory"Northstar Tuning"
  154. Question about Dexcool for the Northstar 4.6
  155. 99 STS in Distress
  156. p0300 Engine Misfire
  157. Need Some Feedback
  158. P0171 and P0174 codes: Intake leak?
  159. TC0073 ???? I have searched with not a REAL answer
  160. carbon on tailpipes, and why?
  161. are time serts asbsolutely necessary
  162. Replacing various parts
  163. new radiator
  164. N* HG Repair, Drop cradle or Pull engine?
  165. Cheap Mechanic in Des Moines?
  166. Cooling Fans NEED HELP.
  167. P094 = Tranny rebuilt?
  168. Problems with N* motor
  169. Considering used Northstar- need advice
  170. More Northstar head gasket questions...
  171. Help with two noises from '97 Northstar
  172. i need help on how to change my headgasket on my 99 seville sls
  173. Back Pressure in Cooling System?
  174. what is OBDII
  175. WANTED Time Sert Kit Rental
  176. **Update** Head gasket on 99 Deville
  177. '94 N* Touring coupe with PO37 code?
  178. Check Engine Codes, vibration
  179. 94 STS Won't accelerate w/o almost stalling the engine.
  180. broken coolant reservoir in my N*
  181. Water pump replacement
  182. 2000 N* is it safe to fill it with a non sinthetic oil?
  183. Sudden drop in fuel economy with AC on
  184. Lambo V12 similiar to N*?
  185. Timing chain tensioner tool
  186. Could a bad catalytic converter also decrease my gas mileage?
  187. Is DEX save for engines?
  188. still overheating
  189. Replaced your Power Steering Pump? Come on IN!!!
  190. 01Deville MISFIRE
  191. 99 N* Issue
  192. bad cylinder
  193. Think Northstar headgaskets are expensive??
  194. Coolant Smell after Shut Down?
  195. 00 DeVille check coolant level
  196. dyno #s
  197. Aurora N* questions
  198. Cheapest way to do HG's?????
  199. I found my leak, now i need help
  200. Is the N* overrated?
  201. Northstar crate or rebuild??
  202. Timesert pulled when torquing headbolts-What Now??
  203. I Need Cheap 97 insert kit
  204. 99 Deville over heating NOT HG I think
  205. 02/03 Alternator regulator
  206. 98 deville fluttering sound
  207. A/C Recharging Help
  208. 99 ELDO coolant level Question.
  209. Sign of upcoming headgasket problem?
  210. head bolts
  211. tachometer like a rollercoaster...
  212. overheating problem
  213. Northstar owner loosing faith
  214. Fuel Injector Problem I Think
  215. Transmission Fluid
  216. Alternator
  217. Coolant Loss and Overheating
  218. Harmonic Balancer. Dangerous?
  219. Someone please help, i need to know whats this part.
  220. Suspension compressor lube and NRV - help!
  221. Superchargers are here!
  222. 93 to 99 O/H assembly
  223. 93 to 99 Northstar dis-assembly and inspection
  224. RWD Northstar information
  225. 2000 to 2004 or 5 Northstar information
  226. 4.4L information
  227. Northstar "check coolant level" -- trying to understand basics
  228. Northstar head gaskets replaced -- a good thing?
  229. Head Bolt Torque Value?
  230. Biggest Question To All..
  231. Re-mounting PCM - Idea?
  232. Coolant use
  233. How to clean Piston Rings my way
  234. 4T80E 3.11 to 3.71 swap
  235. Differences in Northstars - '93-'97, also cheap head gasket fix...
  236. What weight and type oil to use?
  237. Rochester QJ and N* Throttlebodies
  238. Another coolant/radiator/headgasket question
  239. northstar shuts down
  240. Head Gasket or Something Else (Steamy Exhaust)
  241. Help with codes from DIC
  242. need N* casting/part#s for ID
  243. How do you pull injectors????
  244. Crank sensor and PCM History
  245. For you guys who have done a headgasket job on the 4.6
  246. Camshaft Pulley will not come off!!
  247. Volant - The long awaited very custom install (pics)
  248. Older (95) Northstar Re-Torque?
  249. Need Help DIC Warning Messages (w/Codes!)
  250. pricing Time Serts