: Northstar Engines and System Technical Discussion



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  1. 15W-40 Oil?
  2. Tune-up on 1999 Deville D'Elagance
  3. Ugh.. Broken drill bit.......
  4. A/C Condensor removal ...
  5. supercharger on my eldo
  6. My problem
  7. modular fuel rail?
  8. HELP Car not starting!
  9. Vote for CTS-V NOW
  10. Northstar idle
  11. Is my A/C compressor toast?
  12. Performance Chip!!!
  13. A/C Compressor Clutch
  14. coolant change procedure
  15. $4500 to replace head gasket...
  16. 94 concourse running rough
  17. 94 coolant leak
  18. Engine Out Bottom or Top?
  19. Water Pumps
  20. p076, transmission pressure solenoid help
  21. Transmission pan and Intake Manifold cover
  22. No TCC lock-up
  23. Trans. going out?
  24. Northstar worries
  25. dloch - &others swapping intakes...
  26. Bonneville GXP owners FYI
  27. bbob- help!
  28. Low oil pressure?
  29. 2x4s - raising the intake manifold
  30. Bbob
  31. I figured it out!!!...Almost..:(
  32. Northstar error codes, OBD1 and OBD2
  33. after market chip up date?
  34. I think I'm cross-eyed
  35. Code T061 What Is It? How To Diag?
  36. N* cylinder heads question, Bbob
  37. finally got a code help help
  38. Norstar Leaking Enginer ...............CURE !
  39. 1995 eldorado northstar
  40. high idle
  41. Any word on the S/C project?
  42. 7 seconds before start.,
  43. Started removing the northstar
  44. Coolant Temp
  45. does a Northstar have lifters-how to replace
  46. 4.6 Northstar Engine mod question.
  47. All kinds of noises
  48. I Think I Threw a Rod
  49. 2000 Eldorado using oil???
  50. Diagnostic codes
  51. Northstar aftermarket and tuneability questions
  52. Diesel oil in gasoline engines...BBob, opinion?
  53. Lawrence Look
  54. what is wrong my engine or converter
  55. Bbob Look
  56. 93 Eldo cuts out on accel and shorts in Radio
  57. Seville not running right
  58. Alternating Types of OIL
  59. 96 Eldo jerking
  60. Head torque sequence
  61. Tool Hunt
  62. Tire Recommendation For 2000 Deville
  63. Have Questions About An Eldorado
  64. Swapping heads 94 -> 96
  65. Trans or Oil Cooler ?
  66. Oil leak is from pan
  67. me=moron
  68. Different Oil for Leaky Seals?
  69. Head vs. intake manifold gasket/overheating
  70. 98 STS spewed coolant...
  71. n*= @#$%^&*(
  72. 97 concours steering
  73. change trans fluid?
  74. HELP!!! my eldorados crazy.
  75. Head Work
  76. Headgasket/Rod Bearings/Carbon Buildup
  77. Fuel Filter Location?
  78. help 2000 deville servive engine light
  79. Coolant system seal tabs
  80. Emission Code E013
  81. Northstar timesert kit for sale,$175.00+shipping.
  82. Best oil for my geezer
  83. 93 STS with VSS issues
  84. radiator replacement?
  85. PCV Valve location?
  86. Where is the IAC module?
  87. K&N Filter for STS and Eldorado
  88. 93 4.6 dies at random then restarts
  89. Purge tank cap fiasco
  90. What does it take to swap intake manifolds?
  91. Oxygen Sensors......Need help soon!!!
  92. which hose does the bars leak go.
  93. 97 eld0 etc
  94. engine ID
  95. Interior dimmer location on 03 Deville?
  96. Blown Coolent crossover gasket....$$$$
  97. Missing Bracket or support
  98. Check Coolant Level
  99. 93 Eldo Overheats New Thermostat Didn't help
  100. Where to find tie bars?
  101. What's wrong in these pictures?
  102. 94 Northstar Oil Leak
  103. Northstar 4.0 mods?
  104. Engine Hesitation ?
  105. shift points???
  106. Pcm part number ???
  107. Northstar Engine Facts & Tid Bits
  108. oil filter 96 sts help
  109. Aurora airbox wrapped!
  110. Oil leaking on a 200K miles engine. Is the engine still good?
  111. Corsa Performance
  112. intermittent misfire on #1 cylinder. Help Please.
  113. Rotten Egg smell....
  114. 97 concours hard starting
  115. Bbob-Interesting facts of Northstar engines
  116. Engine stalled and wont restart!!!
  117. Northstar hesitation
  118. '96 Northstar Vs. '97 Northstar
  119. fuel injectors???
  120. Tranny clunk in 98 sls
  121. Head Bolt Torque
  122. Was driving and caddy cut off?
  123. 97 STS and EGR
  124. Oil for Northstar 7.5 or 8.0
  125. Low Refrigerant Msg: 2 or 3 cans?
  126. Northstar head gasket parts.
  127. 94 Concourse Transmission
  128. 97 Eldorado Fuel Pump gone bad?
  129. im new want to know some things
  130. BBob, 2 stroke oil in gas to preserve...
  131. Reprogramming Computer
  132. which plug is right?
  133. bbob - Correct Crank Scraper/Placement
  134. want RWD N*
  135. What does a PCV valve do?
  136. 97 deville- Loud clunk followed by surging....
  137. Rattle in front of engine on first start up? Help!!
  138. Looking for performance items for the Northstar
  139. New revised Head Torque Procedure
  140. Torque Converter Stall for STS
  141. Carbon knock and 1 quart per 1.000 miles
  142. Stumped!! - problem setting cam timing
  143. Cleaned throttle body, lots of gunk...
  144. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  145. 96 Deville o2 Sensor question
  146. o2 sensor problems
  147. How common are the "Z" speed rated NorthStar's
  148. Diagnostic Code help
  149. Hard Shifting Problem 98 STS
  150. New 04" 4.6 vs previous 3 less MPG?
  151. Walker Quiet Flow Mufflers?
  152. Hard starting '96 Seville STS - Advice sought
  153. Oil in intake manifold (eek!?)
  154. Birds nest under my intake. 94 STS
  155. engine swapp
  156. northstar 4.6 1994 eldorado touring coupe
  157. 94 STS Where is my egr valve!
  158. Safety Recall: Aurora 4.0 - Fuel rail leaks
  159. 2000 Deville Stalls when idleing in drive
  160. 4.6 northstar engine
  161. Cases resealed and new style pistons?
  162. horrible surging
  163. AC blower keeps cutting off
  164. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  165. 97 Y NorthStar backfire
  166. abs/tcs fuse
  167. 93 STS with 4.6 sounds runs like crap, dies constantly!
  168. Dropping cradle - where's the other wiring?
  169. Trans too full!!!96 eldo
  170. Whats this all about???
  171. Is adding too much oil bad?
  172. More Power *grunt*!!!!
  173. What's wrong with my ABS
  174. fuel pump 96 eldo
  175. Aurora Recall (Fuel Rail)
  176. possibility of turbocharging a 94
  177. Whats the correct way to remove Trans ???
  178. timesert vs. helicoil
  179. 96 eldo ,problems abound
  180. Difference between 275 & 300 HP from # on Valve/cam Cover
  181. Resetting "low refridgerant" code??
  182. If you can get a filter from the dealer
  183. 2 codes
  184. What does the 97 STS Run?
  185. Need northstar balancer install tools.
  186. Long cranking, poor start
  187. 1996 Deville PCM 0717
  188. Case halves repair at 100,000 miles?
  189. Can't track down these error codes
  190. Engine Tick after oil change - very concerned
  191. F/S 2000 Northstar engine
  192. Jury rigged solution
  193. anybody watch TLC Rides yesterday?
  194. Help! Theft System Problem - Can't Start My 97 Concours
  195. A/C Question
  196. Bad Smog result
  197. 4.9 better than Northstar?
  198. Two Error Codes
  199. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  200. Northstar Intake manifold
  201. 4.0 cam swap/exhaust size
  202. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  203. Can someone tell me what GM PN's 1052080 & 12345382 are?
  204. OK Here Comes The Problems before summer.
  205. not so, everyday cadillac problems
  206. need help Removing Harmonic Balancer
  207. Very low refridgerant?? Please advise.
  208. Coolant Problem??
  209. Click noise when AC is on?
  210. how do i remove the...
  211. bottom pulley wabbles
  212. BCM causing rough idle?
  213. Water Pump Drive Pulley
  214. 98 SLS Trans/mounts Questions
  215. So how many people have had overheating/bad head gasket problems?
  216. Car Rides Horribly!
  217. PO85 Fix
  218. NEW exhaust idea...
  219. Northstar vs 4.9
  220. 4T80e questions
  221. check engine light
  222. Rough Idle
  223. More oil consumption
  224. Is it stupid to put in a new engine?????
  225. Advise on De Ville 97
  226. Oil filter
  227. Service Manuals
  228. Transmission Valve (or what the dealer told me)
  229. wierd idle
  230. Miracle fuel additive stopped noise and oil consumption
  231. 95 eldorado oil questions
  232. 95 Harness --> 93 Block/sensors?
  233. Kit Car w/Northstar, Engine VIN codes
  234. EGR Valve and Throttle Body
  235. Heater core?
  236. sticky gas pedal/rough idling/accelerating
  237. Head Bolts????
  238. OEM Liquid Sealant at Case Half Seal?
  239. Throttle Body, Rough Idle
  240. 97 air box mod?
  241. throttle body
  242. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  243. How good is the 4.6L N*
  244. Seville ECM Codes
  245. Trouble Code on '96 Eldorado
  246. tranny probs need help
  247. Unidentified noise in front driver side wheel on a hard right
  248. spark plug gap?
  249. need timesert kit for my 94 n*
  250. 1993 Northstar engine knock