: Northstar Engines and System Technical Discussion



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  1. $4500 to replace head gasket...
  2. 94 concourse running rough
  3. 94 coolant leak
  4. Engine Out Bottom or Top?
  5. Water Pumps
  6. p076, transmission pressure solenoid help
  7. Transmission pan and Intake Manifold cover
  8. No TCC lock-up
  9. Trans. going out?
  10. Northstar worries
  11. dloch - &others swapping intakes...
  12. Bonneville GXP owners FYI
  13. bbob- help!
  14. Low oil pressure?
  15. 2x4s - raising the intake manifold
  16. Bbob
  17. I figured it out!!!...Almost..:(
  18. Northstar error codes, OBD1 and OBD2
  19. after market chip up date?
  20. I think I'm cross-eyed
  21. Code T061 What Is It? How To Diag?
  22. N* cylinder heads question, Bbob
  23. finally got a code help help
  24. Norstar Leaking Enginer ...............CURE !
  25. 1995 eldorado northstar
  26. high idle
  27. Any word on the S/C project?
  28. 7 seconds before start.,
  29. Started removing the northstar
  30. Coolant Temp
  31. does a Northstar have lifters-how to replace
  32. 4.6 Northstar Engine mod question.
  33. All kinds of noises
  34. I Think I Threw a Rod
  35. 2000 Eldorado using oil???
  36. Diagnostic codes
  37. Northstar aftermarket and tuneability questions
  38. Diesel oil in gasoline engines...BBob, opinion?
  39. Lawrence Look
  40. what is wrong my engine or converter
  41. Bbob Look
  42. 93 Eldo cuts out on accel and shorts in Radio
  43. Seville not running right
  44. Alternating Types of OIL
  45. 96 Eldo jerking
  46. Head torque sequence
  47. Tool Hunt
  48. Tire Recommendation For 2000 Deville
  49. Have Questions About An Eldorado
  50. Swapping heads 94 -> 96
  51. Trans or Oil Cooler ?
  52. Oil leak is from pan
  53. me=moron
  54. Different Oil for Leaky Seals?
  55. Head vs. intake manifold gasket/overheating
  56. 98 STS spewed coolant...
  57. n*= @#$%^&*(
  58. 97 concours steering
  59. change trans fluid?
  60. HELP!!! my eldorados crazy.
  61. Head Work
  62. Headgasket/Rod Bearings/Carbon Buildup
  63. Fuel Filter Location?
  64. help 2000 deville servive engine light
  65. Coolant system seal tabs
  66. Emission Code E013
  67. Northstar timesert kit for sale,$175.00+shipping.
  68. Best oil for my geezer
  69. 93 STS with VSS issues
  70. radiator replacement?
  71. PCV Valve location?
  72. Where is the IAC module?
  73. K&N Filter for STS and Eldorado
  74. 93 4.6 dies at random then restarts
  75. Purge tank cap fiasco
  76. What does it take to swap intake manifolds?
  77. Oxygen Sensors......Need help soon!!!
  78. which hose does the bars leak go.
  79. 97 eld0 etc
  80. engine ID
  81. Interior dimmer location on 03 Deville?
  82. Blown Coolent crossover gasket....$$$$
  83. Missing Bracket or support
  84. Check Coolant Level
  85. 93 Eldo Overheats New Thermostat Didn't help
  86. Where to find tie bars?
  87. What's wrong in these pictures?
  88. 94 Northstar Oil Leak
  89. Northstar 4.0 mods?
  90. Engine Hesitation ?
  91. shift points???
  92. Pcm part number ???
  93. Northstar Engine Facts & Tid Bits
  94. oil filter 96 sts help
  95. Aurora airbox wrapped!
  96. Oil leaking on a 200K miles engine. Is the engine still good?
  97. Corsa Performance
  98. intermittent misfire on #1 cylinder. Help Please.
  99. Rotten Egg smell....
  100. 97 concours hard starting
  101. Bbob-Interesting facts of Northstar engines
  102. Engine stalled and wont restart!!!
  103. Northstar hesitation
  104. '96 Northstar Vs. '97 Northstar
  105. fuel injectors???
  106. Tranny clunk in 98 sls
  107. Head Bolt Torque
  108. Was driving and caddy cut off?
  109. 97 STS and EGR
  110. Oil for Northstar 7.5 or 8.0
  111. Low Refrigerant Msg: 2 or 3 cans?
  112. Northstar head gasket parts.
  113. 94 Concourse Transmission
  114. 97 Eldorado Fuel Pump gone bad?
  115. im new want to know some things
  116. BBob, 2 stroke oil in gas to preserve...
  117. Reprogramming Computer
  118. which plug is right?
  119. bbob - Correct Crank Scraper/Placement
  120. want RWD N*
  121. What does a PCV valve do?
  122. 97 deville- Loud clunk followed by surging....
  123. Rattle in front of engine on first start up? Help!!
  124. Looking for performance items for the Northstar
  125. New revised Head Torque Procedure
  126. Torque Converter Stall for STS
  127. Carbon knock and 1 quart per 1.000 miles
  128. Stumped!! - problem setting cam timing
  129. Cleaned throttle body, lots of gunk...
  130. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  131. 96 Deville o2 Sensor question
  132. o2 sensor problems
  133. How common are the "Z" speed rated NorthStar's
  134. Diagnostic Code help
  135. Hard Shifting Problem 98 STS
  136. New 04" 4.6 vs previous 3 less MPG?
  137. Walker Quiet Flow Mufflers?
  138. Hard starting '96 Seville STS - Advice sought
  139. Oil in intake manifold (eek!?)
  140. Birds nest under my intake. 94 STS
  141. engine swapp
  142. northstar 4.6 1994 eldorado touring coupe
  143. 94 STS Where is my egr valve!
  144. Safety Recall: Aurora 4.0 - Fuel rail leaks
  145. 2000 Deville Stalls when idleing in drive
  146. 4.6 northstar engine
  147. Cases resealed and new style pistons?
  148. horrible surging
  149. AC blower keeps cutting off
  150. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  151. 97 Y NorthStar backfire
  152. abs/tcs fuse
  153. 93 STS with 4.6 sounds runs like crap, dies constantly!
  154. Dropping cradle - where's the other wiring?
  155. Trans too full!!!96 eldo
  156. Whats this all about???
  157. Is adding too much oil bad?
  158. More Power *grunt*!!!!
  159. What's wrong with my ABS
  160. fuel pump 96 eldo
  161. Aurora Recall (Fuel Rail)
  162. possibility of turbocharging a 94
  163. Whats the correct way to remove Trans ???
  164. timesert vs. helicoil
  165. 96 eldo ,problems abound
  166. Difference between 275 & 300 HP from # on Valve/cam Cover
  167. Resetting "low refridgerant" code??
  168. If you can get a filter from the dealer
  169. 2 codes
  170. What does the 97 STS Run?
  171. Need northstar balancer install tools.
  172. Long cranking, poor start
  173. 1996 Deville PCM 0717
  174. Case halves repair at 100,000 miles?
  175. Can't track down these error codes
  176. Engine Tick after oil change - very concerned
  177. F/S 2000 Northstar engine
  178. Jury rigged solution
  179. anybody watch TLC Rides yesterday?
  180. Help! Theft System Problem - Can't Start My 97 Concours
  181. A/C Question
  182. Bad Smog result
  183. 4.9 better than Northstar?
  184. Two Error Codes
  185. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  186. Northstar Intake manifold
  187. 4.0 cam swap/exhaust size
  188. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  189. Can someone tell me what GM PN's 1052080 & 12345382 are?
  190. OK Here Comes The Problems before summer.
  191. not so, everyday cadillac problems
  192. need help Removing Harmonic Balancer
  193. Very low refridgerant?? Please advise.
  194. Coolant Problem??
  195. Click noise when AC is on?
  196. how do i remove the...
  197. bottom pulley wabbles
  198. BCM causing rough idle?
  199. Water Pump Drive Pulley
  200. 98 SLS Trans/mounts Questions
  201. So how many people have had overheating/bad head gasket problems?
  202. Car Rides Horribly!
  203. PO85 Fix
  204. NEW exhaust idea...
  205. Northstar vs 4.9
  206. 4T80e questions
  207. check engine light
  208. Rough Idle
  209. More oil consumption
  210. Is it stupid to put in a new engine?????
  211. Advise on De Ville 97
  212. Oil filter
  213. Service Manuals
  214. Transmission Valve (or what the dealer told me)
  215. wierd idle
  216. Miracle fuel additive stopped noise and oil consumption
  217. 95 eldorado oil questions
  218. 95 Harness --> 93 Block/sensors?
  219. Kit Car w/Northstar, Engine VIN codes
  220. EGR Valve and Throttle Body
  221. Heater core?
  222. sticky gas pedal/rough idling/accelerating
  223. Head Bolts????
  224. OEM Liquid Sealant at Case Half Seal?
  225. Throttle Body, Rough Idle
  226. 97 air box mod?
  227. throttle body
  228. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  229. How good is the 4.6L N*
  230. Seville ECM Codes
  231. Trouble Code on '96 Eldorado
  232. tranny probs need help
  233. Unidentified noise in front driver side wheel on a hard right
  234. spark plug gap?
  235. need timesert kit for my 94 n*
  236. 1993 Northstar engine knock
  237. Code IRC B1771
  238. Excessive Crank Time - Advice Needed
  239. Cost Efficient Mods for '98 STS?
  240. Pls help! How much $ should it cost to repair.....
  241. trouble code retrival
  242. Iridium spark plugs
  243. Sedan Deville Diag Codes: How to interpret?
  244. Boosted caddys
  245. 95 sts,pcm?
  246. Northstar Mechanic
  247. 96 ETC code problems
  248. Codes
  249. Help with Timing Chain Removal
  250. help me with my ....