: Northstar Engines and System Technical Discussion



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  1. oil pressure low...engine getting hotter
  2. Replacing Belt Idler & belt - HELP!
  3. Head bolts & time-serts?
  4. Fuel filter R&r
  5. 98 SLS Overheating in minutes
  6. 96 deville fuel pressure regulator?
  7. blower motor control issues
  8. '96 Deville SES light on and hard to start
  9. Where can i find a supercharger
  10. Northstar Engine assembly - instructions
  11. 4T80E down shifting RPM 4000
  12. coolant leak
  13. Low Oil Pressure???
  14. Bar's Leaks "Head Gasket Repair"
  15. 96 Deville No Start condition, help
  16. 94 N* swap in 96 Eldo
  17. Preventing head gasket and cooling system failures...
  18. Engine oil life % - Who uses it?
  19. GM Dealer Coolant Procedure?
  20. Another Coolant Question
  21. Oil Additives... BBOB?? and others....
  22. 98 deville ses lights
  23. can '98 Northstar be tuned to take Regular Gas?
  24. gas in oil
  25. engine code 9 with a trouble code 53.
  26. 2001 eldorado engine quits momentarily
  27. 2002 Escalade 70k miles QUESTIONS???
  28. Re-Set Codes
  29. Codes and Coolant Mistery, Hesitation
  30. Synth ATF
  31. Check engine light
  32. Code Buttons
  33. EGR removal on 1997 seville w/ northstar?
  34. northstar 32v V8 2001 eldorado engine
  35. Engine wont rev Bad Tranny
  36. 4t80E will not shift into third
  37. Installed Magnaflows.........
  38. P039 VCC Lockup Problem: Read Archives, Still Have Questions
  39. EGR Trouble HELP???
  40. OBD? DTC? How do I access these?
  41. Heater hoses
  42. Heater hoses
  43. Radiator tablets redux
  44. "CHECK COOLANT LEVEL" 14 months after fluid change
  45. what does this code pertain to? pc0153 current
  46. i need help with my deville
  47. what is wrong with my 1996 deville
  48. Little green hoses
  49. DTS MODs?
  50. Trouble Codes and Car Shuddering
  51. EBTCM traction control module
  52. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  53. Read This, Need Help!!! Egr??? Fpr???
  54. 98 deville
  55. Eldo Mods? chip, exhaust, nos, ect.
  56. 3 more radiator queries
  57. 2 more radiator drain queries
  58. Transmission Pressuse Solenoid
  59. 95 Concours Put Barsleak in canister
  60. 96 Deville codes pco603 and pco717
  61. Reset codes?
  62. "Flush" coolant?
  63. ETCBM (traction control computer)
  64. 1996 DeVille Northstar
  65. Motor mount help needed!
  66. 1994 STS First Roadtrip Coolant Temp
  67. Break In Oil
  68. question about N* headgasket
  69. trans code
  70. No 4th gear...
  71. 02 sensor
  72. Northstar longevity! 323,000 miles!
  73. 95 Seville SLS Major Problems
  74. Found the SES P102 issue! Now A/C issue
  75. TPS and/or EGR needed?
  76. OBDII diagnostic codes
  77. P0102/B1009/U1301 and others HELP!!!
  78. Max throtle angle
  79. Throttle Position Sensor relearn
  80. Original or swapped N*
  81. New cdes!!!!
  82. 1995 Concours, Fuel injector size?
  83. Reading .Bins from proms?
  84. Coolant changed to green... problem?
  85. Northstar Rebuild --- Chime In, I have questions...
  86. Preventive Maintenance While Engines Out
  87. burn out? burn not.
  88. Removing Heli-coils
  89. DIC items???
  90. cost?
  91. Oil Cooler Lines
  92. Smell Coolant but from what?
  93. VIN and Performance Questions
  94. Small coolant leak
  95. check engine soon
  96. 1994 Northstar Swap
  97. Bbob, Purging/exchanging tranny fluid
  98. Rough running 2000 Seville
  99. northstar motor swap
  100. oil pan gasket change
  101. 4T80E hard shift
  102. black box under car????
  103. 93 eldorado
  104. 1987 Deville Stereo Question, Please help?
  105. Fuel Injector
  106. Car jerking in 3rd gear
  107. 98 Northstar Motor Whistle
  108. Head Bolts, fixed by what year?
  109. Good repair shop in DC/MD/VA area
  110. 2001 Cracked block??
  111. rough idle at start-up
  112. Chronic miss in 4.6L Northstar
  113. Engine Cold/Knock/Tick Noise (Replace Pistons)
  114. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  115. Performance Upgrades?
  116. 02 sensor
  117. service eng light when heat turned on
  118. Won't start - Inconsistent compression
  119. L37 vs LD8, actual differences?
  120. Need Help Please!!!
  121. High charging voltage, stumped?
  122. No start on cold days?
  123. Dealer Diagnosis - $3000 BS??
  124. has anyone had a problem with 98 sls dieing at a low idle?
  125. ABS - Traction Control
  126. help with codes please
  127. High performance ignition?
  128. Northstar Performance Enhacements?
  129. Power LOSS
  130. Has anybody done a S/C northstar yet?
  131. PCM P1153: 02 Sensor Insufficient Switching, PLEASE HELP
  132. Traction Control Problem
  133. Bobbyinski -- Northstar failure
  134. Cold Engine Misfire
  135. DTCs from my flood car - help with diagnosis
  136. PCM code????
  137. how to pull dic codes?
  138. Dealer Installed Timesert Question
  139. 99 deville sounds/runs awful
  140. Oil pan gasket
  141. n.star water pump removal & install how-to
  142. Thinking of buying a Snap-On MT2500, any thoughts?
  143. Crankcase scrap rate.
  144. what years are compatible with my 93 STS?
  145. Aaaaagh! I should'v know better,
  146. Headlights wont cut off
  147. 2000+ engine in 1998 possible maybe?
  148. Service Engine Light Codes...Please Help
  149. Severe lack of performance
  150. Chk Emmisions/Chk Engine/Rough/Smelly
  151. code tc 0073 ?
  152. Leaking Radiator fixed
  153. RPM Surge at startup
  154. Engine Running Hot..239 at shut off
  155. 2000 deville clicking noise
  156. 1994 sts Idles @ 2-3 thousand RPM
  157. engine dies frequently-pc0231 the problem?
  158. Is this head gasket, or ? ? ?
  159. 94 Eldorado rough at slow speeds
  160. Particulars of VVT?
  161. Rough idle on cold start-up
  162. 5 reasons I LOVE my '94 n* DeVille
  163. Check Coolant Level after Water Pump R/R
  164. Engine Temperature
  165. MAT sensor, MAP sensor....
  166. Problems After Head Gasket Replacement...
  167. 98 Eldo running rough
  168. weight of the 4.6 northstar
  169. Computer programmer
  170. bent #1 con-rod 4.6 N* no signs!!?
  171. Oil leak?
  172. Thermostat sticking open?
  173. Volant Air Intake?
  174. Please Help With Problem On My Deville
  175. My new caddy...
  176. 4.6 litre dual turbo Northstar project, engine only?
  177. Oil pressure problem
  178. waterpump in a 98 Deville
  179. 93 STS Crank Position Sensors
  180. I need info!!!!
  181. high rpm northstar
  182. Misfire and SES light
  183. codes
  184. Rev Limiter in Park and Neutral??
  185. On Board diag?
  186. ? for Bbob re: engine designations
  187. Whats YOUR winter project?
  188. STS High Idle
  189. oil level message
  190. New member
  191. traction control light
  192. Engine "missing" during acceleration
  193. Vibration
  194. Repair cost
  195. Original v. New plug wires
  196. 94 Eldo Northstar No Spark - Why?
  197. Why is the left bank now the right bank?
  198. 1994 Northstar noise
  199. Question about Corsa exhaust
  200. Dont change my ATF???? Please Help!!!!
  201. "NEW" Northstar?
  202. 97 DeVille oil leak
  203. Cabin air filter
  204. Top Speed Reached - Fuel Pump Shutoff at 105mph?
  205. Northstar ?s
  206. Spark Plugs
  207. Head Gasket Problem
  208. concours will not crank in cold weather
  209. ShortStar 3.5L oil usage
  210. Dealer Fuel Injection and Carbon Treatment
  211. AC-Delco part vs Cadillac
  212. Transmission Q? What would you do.
  213. Northstar CAD drawings ???
  214. Please Help with Instructions to Replace radiator
  215. Anybody notice? Bbob - not driving a Caddy?!
  216. Got codes P0201 P0204 P0206 P0207 P0300
  217. Is around town driving in 3rd OK?
  218. Fuel In Intake Manifold
  219. Aftermarker engine computers
  220. Need oversize timesert kit
  221. Timesert Process and Cost
  222. Water pump changed, still leaking coolant !!
  223. Running rough, really baffled
  224. Code P0420
  225. PCM Overrides?
  226. 97 concours service engine soon no codes
  227. Help
  228. Idle speed control actuator (motor)
  229. want more power!
  230. my return,enter 1994 cadillac STS (callista II)
  231. Bolt size to put on engine stand
  232. some code questions
  233. 95 seville code P039
  234. arcing at 7/8 coil???
  235. Failing fuel pump...
  236. oil under the intake
  237. Little update on my progress
  238. Very odd smell ???
  239. EGR cleaning
  240. Weird problem... or maybe not.
  241. Northstar Maf Table...i Need
  242. Time used to install twenty head-bolt time-serts
  243. Exhaust Sounds and vid
  244. temp display revisited....
  245. 96 Deville Need Help! Code P0171
  246. Shorted Fuel Pump (Reply to bbobynski)
  247. How to pull codes on OBD2 SLS Seville?
  248. Does anyone have a link for OBD2 Code Explanations?
  249. It Lives! (again)
  250. No problems with my N*, how bout you?