: Northstar Engines and System Technical Discussion



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  1. Throttle Body Question
  2. need trouble code definitions
  3. Dtc P0503 1520 And Transmission Slip
  4. My 97 Deville is hard to start only when cold
  5. Fuel Gauge Damage by High Sulphur Content
  6. Aurora specs-parts?
  7. Coolant type HELP!!!!
  8. Sources for water pump pulley puller/installer
  9. Stupid muffler question!!!
  10. Differences between the VIN 9 and Y
  11. Northstar overheating
  12. Performance mufflers reliability
  13. Oil pressure sensor on Northstar
  14. How many miles on your N*?
  15. Mobil 1 Now Required ??
  16. Is the Northstar junk?
  17. 98 STS Staled Out! and wont start.
  18. North* pros and cons?
  19. STS Engine installed IMPECCABLE JOB!!!
  20. Thanks on the 97 overheating
  21. Towing with a STS...
  22. 97 eldo missfiring
  23. North* oil pan removal ELDO ETC
  24. Throttle Body
  25. Northsatr question (years)
  26. 1999 Caddy stalls while driving
  27. Misfire and P046
  28. 94' SLS oil leak?
  29. 02 Deville keeps dying...please help!
  30. radiator replacement
  31. PCM code p039
  32. 97 ETC overheating questions
  33. Bars Leak "Oil additive" not Coolant!!
  34. WTF? Intake Manifold Noise?
  35. Northstar main cap bolts
  36. 2002 Deville poor gas mileage
  37. best repair manual for 97 eldo
  38. who fixes your caddy?
  39. plug wires 97 etc
  40. N* Summer Maintenence
  41. transaxle shift relays?
  42. northstar as a plane engine?
  43. How does the PCM know what gear it's in?
  44. Screwed up water pump
  45. Head gasket price/strategy?
  46. TCC stuck OFF
  47. waterpump
  48. 97 ETC overheating
  49. Changing Coolant and the Right Number of Tablets
  50. Shh, it happened! then starting with 2 simple questions...
  51. Mid-grade fuel?
  52. North* easy tune up
  53. more top end speed
  54. My New 94 Eldorado
  55. Starts fine when cold, hesitates when warm...
  56. Northstar using unleaded fuel?
  57. It's Alive again
  58. Need water pump help ASAP!!
  59. Changing final gear ratio
  60. Changing '96 head gaskets....What else?
  61. Problem with RSS
  62. fuel pump pressure
  63. No heat inside the car
  64. Engine Coolant Change out
  65. Coolant question, 4.6 northstar
  66. Intake/Fuel Problem?
  67. Galloping Goose
  68. Engine Mountings 98 STS
  69. Which Brand Spark Plug is the best for 98 Deville?
  70. Redrilled cam sprockets vs aftermarket cams
  71. Dyno2000 Northstar File
  72. Procedure for removing and replacing heater core
  73. Pcm?
  74. Baffle Plat.. Bad design in older N*
  75. Motor Mounts for 97 sts
  76. N* & Mityvac Fluid Evacuator?
  77. Attn Phil!!!!
  78. north swap
  79. Mods for my 93 STS????
  80. Need to know ASAP: # of bellhousing bolts
  81. Gray exhaust smoke - '96 SLS
  82. '94 Northstar Rebuild--Need Specs.. Help?
  83. Mounts and Shocks
  84. Oil Consumption with the Northstar - any problems?
  85. Bonneville GPX/Northstar
  86. Question on switching from Premium to Ethanol Blended gas
  87. Cold driveability problem - '96 SLS LD8 128K
  88. 120 Mph Speed Limit??????
  89. Thoughts on "Royal Purple" oil ?
  90. Better mileage on regular?!?
  91. 112 mph limiter
  92. Air Filter box - more air???
  93. is WOT mandatory for a deville 2000
  94. Specified Northstar Max RPM Vs. Actual on Tach
  95. Coolant Capacity for 97 DeVille?
  96. Check out the codes in my 97 Deville... what do they mean ?
  97. Fleetwood Fuel Pump
  98. Engine Locked Up!!!!!!!!!!!! Neeed Help!!!!....please
  99. It's Aliiive! *evil cackle*
  100. Bad Fuel Pressure regulator ?
  101. 96 Eldo overheating
  102. trans/motor mounts
  103. Help with Intake cover & gasket
  104. Starter problems on my 94 N*
  105. N* Head Milling Machining
  106. Tricks to Change Fuel Pump 97 STS??
  107. Coolant problem - please help!!!
  108. 95 Aurora hard to start !!
  109. Just bought my Caddy, need help !!! PLEASE !!!
  110. Compression Test for Head Gasket Leak
  111. 95,sts cooling ????
  112. What Went Wrong ???
  113. Coolant pellets, how often?
  114. 94 ENGINE fit a 98??
  115. error sorry
  116. i got my n*
  117. JB metalweld
  118. Friends Used 1999 DeVille
  119. N* Rear Headgasket - replace in the car?
  120. wood grain steering wheel
  121. replacing cams on N*
  122. How do you explain the northstar's short comings?
  123. Easy Serpentine Belt Threading
  124. 96 STS Service Emissions System Service Engine Light
  125. radiator fans?
  126. Missing?
  127. Plugs and Plug Wires
  128. Headgasket - How long, how much?
  129. 97 Deville: Digital Fuel Gauge Problem
  130. After WOT engine started missing.
  131. RWD Northstar(s)?
  132. sorry+question
  133. wut ^ all got a newb question/story
  134. Torque test and gas cut off?
  135. Cams replaced 2000 DTS
  136. 15W-40 Oil?
  137. Tune-up on 1999 Deville D'Elagance
  138. Ugh.. Broken drill bit.......
  139. A/C Condensor removal ...
  140. supercharger on my eldo
  141. My problem
  142. modular fuel rail?
  143. HELP Car not starting!
  144. Vote for CTS-V NOW
  145. Northstar idle
  146. Is my A/C compressor toast?
  147. Performance Chip!!!
  148. A/C Compressor Clutch
  149. coolant change procedure
  150. $4500 to replace head gasket...
  151. 94 concourse running rough
  152. 94 coolant leak
  153. Engine Out Bottom or Top?
  154. Water Pumps
  155. p076, transmission pressure solenoid help
  156. Transmission pan and Intake Manifold cover
  157. No TCC lock-up
  158. Trans. going out?
  159. Northstar worries
  160. dloch - &others swapping intakes...
  161. Bonneville GXP owners FYI
  162. bbob- help!
  163. Low oil pressure?
  164. 2x4s - raising the intake manifold
  165. Bbob
  166. I figured it out!!!...Almost..:(
  167. Northstar error codes, OBD1 and OBD2
  168. after market chip up date?
  169. I think I'm cross-eyed
  170. Code T061 What Is It? How To Diag?
  171. N* cylinder heads question, Bbob
  172. finally got a code help help
  173. Norstar Leaking Enginer ...............CURE !
  174. 1995 eldorado northstar
  175. high idle
  176. Any word on the S/C project?
  177. 7 seconds before start.,
  178. Started removing the northstar
  179. Coolant Temp
  180. does a Northstar have lifters-how to replace
  181. 4.6 Northstar Engine mod question.
  182. All kinds of noises
  183. I Think I Threw a Rod
  184. 2000 Eldorado using oil???
  185. Diagnostic codes
  186. Northstar aftermarket and tuneability questions
  187. Diesel oil in gasoline engines...BBob, opinion?
  188. Lawrence Look
  189. what is wrong my engine or converter
  190. Bbob Look
  191. 93 Eldo cuts out on accel and shorts in Radio
  192. Seville not running right
  193. Alternating Types of OIL
  194. 96 Eldo jerking
  195. Head torque sequence
  196. Tool Hunt
  197. Tire Recommendation For 2000 Deville
  198. Have Questions About An Eldorado
  199. Swapping heads 94 -> 96
  200. Trans or Oil Cooler ?
  201. Oil leak is from pan
  202. me=moron
  203. Different Oil for Leaky Seals?
  204. Head vs. intake manifold gasket/overheating
  205. 98 STS spewed coolant...
  206. n*= @#$%^&*(
  207. 97 concours steering
  208. change trans fluid?
  209. HELP!!! my eldorados crazy.
  210. Head Work
  211. Headgasket/Rod Bearings/Carbon Buildup
  212. Fuel Filter Location?
  213. help 2000 deville servive engine light
  214. Coolant system seal tabs
  215. Emission Code E013
  216. Northstar timesert kit for sale,$175.00+shipping.
  217. Best oil for my geezer
  218. 93 STS with VSS issues
  219. radiator replacement?
  220. PCV Valve location?
  221. Where is the IAC module?
  222. K&N Filter for STS and Eldorado
  223. 93 4.6 dies at random then restarts
  224. Purge tank cap fiasco
  225. What does it take to swap intake manifolds?
  226. Oxygen Sensors......Need help soon!!!
  227. which hose does the bars leak go.
  228. 97 eld0 etc
  229. engine ID
  230. Interior dimmer location on 03 Deville?
  231. Blown Coolent crossover gasket....$$$$
  232. Missing Bracket or support
  233. Check Coolant Level
  234. 93 Eldo Overheats New Thermostat Didn't help
  235. Where to find tie bars?
  236. What's wrong in these pictures?
  237. 94 Northstar Oil Leak
  238. Northstar 4.0 mods?
  239. Engine Hesitation ?
  240. shift points???
  241. Pcm part number ???
  242. Northstar Engine Facts & Tid Bits
  243. oil filter 96 sts help
  244. Aurora airbox wrapped!
  245. Oil leaking on a 200K miles engine. Is the engine still good?
  246. Corsa Performance
  247. intermittent misfire on #1 cylinder. Help Please.
  248. Rotten Egg smell....
  249. 97 concours hard starting
  250. Bbob-Interesting facts of Northstar engines