: Northstar Engines and System Technical Discussion



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  1. Head torque sequence
  2. Tool Hunt
  3. Tire Recommendation For 2000 Deville
  4. Have Questions About An Eldorado
  5. Swapping heads 94 -> 96
  6. Trans or Oil Cooler ?
  7. Oil leak is from pan
  8. me=moron
  9. Different Oil for Leaky Seals?
  10. Head vs. intake manifold gasket/overheating
  11. 98 STS spewed coolant...
  12. n*= @#$%^&*(
  13. 97 concours steering
  14. change trans fluid?
  15. HELP!!! my eldorados crazy.
  16. Head Work
  17. Headgasket/Rod Bearings/Carbon Buildup
  18. Fuel Filter Location?
  19. help 2000 deville servive engine light
  20. Coolant system seal tabs
  21. Emission Code E013
  22. Northstar timesert kit for sale,$175.00+shipping.
  23. Best oil for my geezer
  24. 93 STS with VSS issues
  25. radiator replacement?
  26. PCV Valve location?
  27. Where is the IAC module?
  28. K&N Filter for STS and Eldorado
  29. 93 4.6 dies at random then restarts
  30. Purge tank cap fiasco
  31. What does it take to swap intake manifolds?
  32. Oxygen Sensors......Need help soon!!!
  33. which hose does the bars leak go.
  34. 97 eld0 etc
  35. engine ID
  36. Interior dimmer location on 03 Deville?
  37. Blown Coolent crossover gasket....$$$$
  38. Missing Bracket or support
  39. Check Coolant Level
  40. 93 Eldo Overheats New Thermostat Didn't help
  41. Where to find tie bars?
  42. What's wrong in these pictures?
  43. 94 Northstar Oil Leak
  44. Northstar 4.0 mods?
  45. Engine Hesitation ?
  46. shift points???
  47. Pcm part number ???
  48. Northstar Engine Facts & Tid Bits
  49. oil filter 96 sts help
  50. Aurora airbox wrapped!
  51. Oil leaking on a 200K miles engine. Is the engine still good?
  52. Corsa Performance
  53. intermittent misfire on #1 cylinder. Help Please.
  54. Rotten Egg smell....
  55. 97 concours hard starting
  56. Bbob-Interesting facts of Northstar engines
  57. Engine stalled and wont restart!!!
  58. Northstar hesitation
  59. '96 Northstar Vs. '97 Northstar
  60. fuel injectors???
  61. Tranny clunk in 98 sls
  62. Head Bolt Torque
  63. Was driving and caddy cut off?
  64. 97 STS and EGR
  65. Oil for Northstar 7.5 or 8.0
  66. Low Refrigerant Msg: 2 or 3 cans?
  67. Northstar head gasket parts.
  68. 94 Concourse Transmission
  69. 97 Eldorado Fuel Pump gone bad?
  70. im new want to know some things
  71. BBob, 2 stroke oil in gas to preserve...
  72. Reprogramming Computer
  73. which plug is right?
  74. bbob - Correct Crank Scraper/Placement
  75. want RWD N*
  76. What does a PCV valve do?
  77. 97 deville- Loud clunk followed by surging....
  78. Rattle in front of engine on first start up? Help!!
  79. Looking for performance items for the Northstar
  80. New revised Head Torque Procedure
  81. Torque Converter Stall for STS
  82. Carbon knock and 1 quart per 1.000 miles
  83. Stumped!! - problem setting cam timing
  84. Cleaned throttle body, lots of gunk...
  85. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  86. 96 Deville o2 Sensor question
  87. o2 sensor problems
  88. How common are the "Z" speed rated NorthStar's
  89. Diagnostic Code help
  90. Hard Shifting Problem 98 STS
  91. New 04" 4.6 vs previous 3 less MPG?
  92. Walker Quiet Flow Mufflers?
  93. Hard starting '96 Seville STS - Advice sought
  94. Oil in intake manifold (eek!?)
  95. Birds nest under my intake. 94 STS
  96. engine swapp
  97. northstar 4.6 1994 eldorado touring coupe
  98. 94 STS Where is my egr valve!
  99. Safety Recall: Aurora 4.0 - Fuel rail leaks
  100. 2000 Deville Stalls when idleing in drive
  101. 4.6 northstar engine
  102. Cases resealed and new style pistons?
  103. horrible surging
  104. AC blower keeps cutting off
  105. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  106. 97 Y NorthStar backfire
  107. abs/tcs fuse
  108. 93 STS with 4.6 sounds runs like crap, dies constantly!
  109. Dropping cradle - where's the other wiring?
  110. Trans too full!!!96 eldo
  111. Whats this all about???
  112. Is adding too much oil bad?
  113. More Power *grunt*!!!!
  114. What's wrong with my ABS
  115. fuel pump 96 eldo
  116. Aurora Recall (Fuel Rail)
  117. possibility of turbocharging a 94
  118. Whats the correct way to remove Trans ???
  119. timesert vs. helicoil
  120. 96 eldo ,problems abound
  121. Difference between 275 & 300 HP from # on Valve/cam Cover
  122. Resetting "low refridgerant" code??
  123. If you can get a filter from the dealer
  124. 2 codes
  125. What does the 97 STS Run?
  126. Need northstar balancer install tools.
  127. Long cranking, poor start
  128. 1996 Deville PCM 0717
  129. Case halves repair at 100,000 miles?
  130. Can't track down these error codes
  131. Engine Tick after oil change - very concerned
  132. F/S 2000 Northstar engine
  133. Jury rigged solution
  134. anybody watch TLC Rides yesterday?
  135. Help! Theft System Problem - Can't Start My 97 Concours
  136. A/C Question
  137. Bad Smog result
  138. 4.9 better than Northstar?
  139. Two Error Codes
  140. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  141. Northstar Intake manifold
  142. 4.0 cam swap/exhaust size
  143. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  144. Can someone tell me what GM PN's 1052080 & 12345382 are?
  145. OK Here Comes The Problems before summer.
  146. not so, everyday cadillac problems
  147. need help Removing Harmonic Balancer
  148. Very low refridgerant?? Please advise.
  149. Coolant Problem??
  150. Click noise when AC is on?
  151. how do i remove the...
  152. bottom pulley wabbles
  153. BCM causing rough idle?
  154. Water Pump Drive Pulley
  155. 98 SLS Trans/mounts Questions
  156. So how many people have had overheating/bad head gasket problems?
  157. Car Rides Horribly!
  158. PO85 Fix
  159. NEW exhaust idea...
  160. Northstar vs 4.9
  161. 4T80e questions
  162. check engine light
  163. Rough Idle
  164. More oil consumption
  165. Is it stupid to put in a new engine?????
  166. Advise on De Ville 97
  167. Oil filter
  168. Service Manuals
  169. Transmission Valve (or what the dealer told me)
  170. wierd idle
  171. Miracle fuel additive stopped noise and oil consumption
  172. 95 eldorado oil questions
  173. 95 Harness --> 93 Block/sensors?
  174. Kit Car w/Northstar, Engine VIN codes
  175. EGR Valve and Throttle Body
  176. Heater core?
  177. sticky gas pedal/rough idling/accelerating
  178. Head Bolts????
  179. OEM Liquid Sealant at Case Half Seal?
  180. Throttle Body, Rough Idle
  181. 97 air box mod?
  182. throttle body
  183. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  184. How good is the 4.6L N*
  185. Seville ECM Codes
  186. Trouble Code on '96 Eldorado
  187. tranny probs need help
  188. Unidentified noise in front driver side wheel on a hard right
  189. spark plug gap?
  190. need timesert kit for my 94 n*
  191. 1993 Northstar engine knock
  192. Code IRC B1771
  193. Excessive Crank Time - Advice Needed
  194. Cost Efficient Mods for '98 STS?
  195. Pls help! How much $ should it cost to repair.....
  196. trouble code retrival
  197. Iridium spark plugs
  198. Sedan Deville Diag Codes: How to interpret?
  199. Boosted caddys
  200. 95 sts,pcm?
  201. Northstar Mechanic
  202. 96 ETC code problems
  203. Codes
  204. Help with Timing Chain Removal
  205. help me with my ....
  206. It just quits (dies) restarts fine.
  207. fuel economy
  208. radiator with holes
  209. supercharged caddy?
  210. A few questions 2
  211. A little more Fuel or air needed.
  212. Is there anywhere to get the specs for a 4.6L Northstar
  213. Brake Fluid Flush
  214. GM part no. for timesert inserts?
  215. God ! please help me before my caddy kills me..
  216. 2000+ NorthStar modified to fit 1994 = success
  217. Lots O'Codes HELP!!!
  218. Coolant Change
  219. cruise control not working properly!
  220. Need help with codes
  221. i smell coolant, is my water pump bad?
  222. Crank micropolishing/where to buy parts?
  223. New Lights
  224. O2 sensor
  225. 95 eldorado Northstar over heats
  226. What to do, what to do...
  227. Main Bearing Replacement?
  228. Rear Main Seal Installer
  229. Looking for a few answers
  230. Help!!!
  231. 94 Seville
  232. My 1996 Sedan Deville won't go over 40 mph?
  233. Northstar and CHRFAB article
  234. 94 eldo compression test
  235. Ignition Wires
  236. Ran my STS again
  237. how long....
  238. 1994 Deville oil pan gasket leak
  239. Leaky oil pan gasket on 94 N* eldo
  240. Service Ride Control and traction control
  241. Some initial worries for 94 eldo tc
  242. some problems
  243. computer readout !!!
  244. Thottle Body
  245. Where to find a Northstar engine
  246. Rough Idel
  247. My 99 STS Overheated
  248. Engine Mounts
  249. oil pan gasket
  250. 94 Deville Concourse Billowing White Smoke