: Northstar Engines and System Technical Discussion



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  1. Post Tune-Up questions
  2. Half case leak check
  3. o2 Sensor Help
  4. Throttle Body?- 95 SLS
  5. HELP! 5-6 sec. Cold Starts
  6. My car is about to get sold.
  7. Advice on engine miss and motor mount
  8. 1996 Eldorado ETC overheating.
  9. Spark Plug question for N*
  10. 92 cadillac deville won't start
  11. Timecerts pulled out !
  12. Fuel rail recall expanded
  13. 97 overheating update/helms/questions
  14. Identifing a part (1993 STS - N*)
  15. Dealer Says I Need A New Engine: PLEASE HELP
  16. P0441 Whats this caused by?
  17. Leaking Head gasket cause miss at idle?
  18. from active 2 passive shocks
  19. Water pump belt
  20. Throttle Body Question
  21. need trouble code definitions
  22. Dtc P0503 1520 And Transmission Slip
  23. My 97 Deville is hard to start only when cold
  24. Fuel Gauge Damage by High Sulphur Content
  25. Aurora specs-parts?
  26. Coolant type HELP!!!!
  27. Sources for water pump pulley puller/installer
  28. Stupid muffler question!!!
  29. Differences between the VIN 9 and Y
  30. Northstar overheating
  31. Performance mufflers reliability
  32. Oil pressure sensor on Northstar
  33. How many miles on your N*?
  34. Mobil 1 Now Required ??
  35. Is the Northstar junk?
  36. 98 STS Staled Out! and wont start.
  37. North* pros and cons?
  38. STS Engine installed IMPECCABLE JOB!!!
  39. Thanks on the 97 overheating
  40. Towing with a STS...
  41. 97 eldo missfiring
  42. North* oil pan removal ELDO ETC
  43. Throttle Body
  44. Northsatr question (years)
  45. 1999 Caddy stalls while driving
  46. Misfire and P046
  47. 94' SLS oil leak?
  48. 02 Deville keeps dying...please help!
  49. radiator replacement
  50. PCM code p039
  51. 97 ETC overheating questions
  52. Bars Leak "Oil additive" not Coolant!!
  53. WTF? Intake Manifold Noise?
  54. Northstar main cap bolts
  55. 2002 Deville poor gas mileage
  56. best repair manual for 97 eldo
  57. who fixes your caddy?
  58. plug wires 97 etc
  59. N* Summer Maintenence
  60. transaxle shift relays?
  61. northstar as a plane engine?
  62. How does the PCM know what gear it's in?
  63. Screwed up water pump
  64. Head gasket price/strategy?
  65. TCC stuck OFF
  66. waterpump
  67. 97 ETC overheating
  68. Changing Coolant and the Right Number of Tablets
  69. Shh, it happened! then starting with 2 simple questions...
  70. Mid-grade fuel?
  71. North* easy tune up
  72. more top end speed
  73. My New 94 Eldorado
  74. Starts fine when cold, hesitates when warm...
  75. Northstar using unleaded fuel?
  76. It's Alive again
  77. Need water pump help ASAP!!
  78. Changing final gear ratio
  79. Changing '96 head gaskets....What else?
  80. Problem with RSS
  81. fuel pump pressure
  82. No heat inside the car
  83. Engine Coolant Change out
  84. Coolant question, 4.6 northstar
  85. Intake/Fuel Problem?
  86. Galloping Goose
  87. Engine Mountings 98 STS
  88. Which Brand Spark Plug is the best for 98 Deville?
  89. Redrilled cam sprockets vs aftermarket cams
  90. Dyno2000 Northstar File
  91. Procedure for removing and replacing heater core
  92. Pcm?
  93. Baffle Plat.. Bad design in older N*
  94. Motor Mounts for 97 sts
  95. N* & Mityvac Fluid Evacuator?
  96. Attn Phil!!!!
  97. north swap
  98. Mods for my 93 STS????
  99. Need to know ASAP: # of bellhousing bolts
  100. Gray exhaust smoke - '96 SLS
  101. '94 Northstar Rebuild--Need Specs.. Help?
  102. Mounts and Shocks
  103. Oil Consumption with the Northstar - any problems?
  104. Bonneville GPX/Northstar
  105. Question on switching from Premium to Ethanol Blended gas
  106. Cold driveability problem - '96 SLS LD8 128K
  107. 120 Mph Speed Limit??????
  108. Thoughts on "Royal Purple" oil ?
  109. Better mileage on regular?!?
  110. 112 mph limiter
  111. Air Filter box - more air???
  112. is WOT mandatory for a deville 2000
  113. Specified Northstar Max RPM Vs. Actual on Tach
  114. Coolant Capacity for 97 DeVille?
  115. Check out the codes in my 97 Deville... what do they mean ?
  116. Fleetwood Fuel Pump
  117. Engine Locked Up!!!!!!!!!!!! Neeed Help!!!!....please
  118. It's Aliiive! *evil cackle*
  119. Bad Fuel Pressure regulator ?
  120. 96 Eldo overheating
  121. trans/motor mounts
  122. Help with Intake cover & gasket
  123. Starter problems on my 94 N*
  124. N* Head Milling Machining
  125. Tricks to Change Fuel Pump 97 STS??
  126. Coolant problem - please help!!!
  127. 95 Aurora hard to start !!
  128. Just bought my Caddy, need help !!! PLEASE !!!
  129. Compression Test for Head Gasket Leak
  130. 95,sts cooling ????
  131. What Went Wrong ???
  132. Coolant pellets, how often?
  133. 94 ENGINE fit a 98??
  134. error sorry
  135. i got my n*
  136. JB metalweld
  137. Friends Used 1999 DeVille
  138. N* Rear Headgasket - replace in the car?
  139. wood grain steering wheel
  140. replacing cams on N*
  141. How do you explain the northstar's short comings?
  142. Easy Serpentine Belt Threading
  143. 96 STS Service Emissions System Service Engine Light
  144. radiator fans?
  145. Missing?
  146. Plugs and Plug Wires
  147. Headgasket - How long, how much?
  148. 97 Deville: Digital Fuel Gauge Problem
  149. After WOT engine started missing.
  150. RWD Northstar(s)?
  151. sorry+question
  152. wut ^ all got a newb question/story
  153. Torque test and gas cut off?
  154. Cams replaced 2000 DTS
  155. 15W-40 Oil?
  156. Tune-up on 1999 Deville D'Elagance
  157. Ugh.. Broken drill bit.......
  158. A/C Condensor removal ...
  159. supercharger on my eldo
  160. My problem
  161. modular fuel rail?
  162. HELP Car not starting!
  163. Vote for CTS-V NOW
  164. Northstar idle
  165. Is my A/C compressor toast?
  166. Performance Chip!!!
  167. A/C Compressor Clutch
  168. coolant change procedure
  169. $4500 to replace head gasket...
  170. 94 concourse running rough
  171. 94 coolant leak
  172. Engine Out Bottom or Top?
  173. Water Pumps
  174. p076, transmission pressure solenoid help
  175. Transmission pan and Intake Manifold cover
  176. No TCC lock-up
  177. Trans. going out?
  178. Northstar worries
  179. dloch - &others swapping intakes...
  180. Bonneville GXP owners FYI
  181. bbob- help!
  182. Low oil pressure?
  183. 2x4s - raising the intake manifold
  184. Bbob
  185. I figured it out!!!...Almost..:(
  186. Northstar error codes, OBD1 and OBD2
  187. after market chip up date?
  188. I think I'm cross-eyed
  189. Code T061 What Is It? How To Diag?
  190. N* cylinder heads question, Bbob
  191. finally got a code help help
  192. Norstar Leaking Enginer ...............CURE !
  193. 1995 eldorado northstar
  194. high idle
  195. Any word on the S/C project?
  196. 7 seconds before start.,
  197. Started removing the northstar
  198. Coolant Temp
  199. does a Northstar have lifters-how to replace
  200. 4.6 Northstar Engine mod question.
  201. All kinds of noises
  202. I Think I Threw a Rod
  203. 2000 Eldorado using oil???
  204. Diagnostic codes
  205. Northstar aftermarket and tuneability questions
  206. Diesel oil in gasoline engines...BBob, opinion?
  207. Lawrence Look
  208. what is wrong my engine or converter
  209. Bbob Look
  210. 93 Eldo cuts out on accel and shorts in Radio
  211. Seville not running right
  212. Alternating Types of OIL
  213. 96 Eldo jerking
  214. Head torque sequence
  215. Tool Hunt
  216. Tire Recommendation For 2000 Deville
  217. Have Questions About An Eldorado
  218. Swapping heads 94 -> 96
  219. Trans or Oil Cooler ?
  220. Oil leak is from pan
  221. me=moron
  222. Different Oil for Leaky Seals?
  223. Head vs. intake manifold gasket/overheating
  224. 98 STS spewed coolant...
  225. n*= @#$%^&*(
  226. 97 concours steering
  227. change trans fluid?
  228. HELP!!! my eldorados crazy.
  229. Head Work
  230. Headgasket/Rod Bearings/Carbon Buildup
  231. Fuel Filter Location?
  232. help 2000 deville servive engine light
  233. Coolant system seal tabs
  234. Emission Code E013
  235. Northstar timesert kit for sale,$175.00+shipping.
  236. Best oil for my geezer
  237. 93 STS with VSS issues
  238. radiator replacement?
  239. PCV Valve location?
  240. Where is the IAC module?
  241. K&N Filter for STS and Eldorado
  242. 93 4.6 dies at random then restarts
  243. Purge tank cap fiasco
  244. What does it take to swap intake manifolds?
  245. Oxygen Sensors......Need help soon!!!
  246. which hose does the bars leak go.
  247. 97 eld0 etc
  248. engine ID
  249. Interior dimmer location on 03 Deville?
  250. Blown Coolent crossover gasket....$$$$