: Northstar Engines and System Technical Discussion



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