: Northstar Engines and System Technical Discussion



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