: Northstar Engines and System Technical Discussion



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