: Northstar Engines and System Technical Discussion



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  1. Changing That Water Pump Belt
  2. headgasket repairs
  3. Traction Control & a code.....
  4. newb looking for part numbers
  5. Solenoid/Valve Body/Trans Pan Pics!!!!!!!!
  6. Volant Air Intake
  7. Oil pressure check
  8. replacing my 96 northstar
  9. Where is it all?
  10. Will I suck her dry if....
  11. Shift Solenoid Kit Pics of Parts!!!!
  12. About to kick my caddy
  13. 98 STS Has DIC That Still Registers 100% Trans Fluid Life
  14. Northstar missing at idle
  15. Fuel Rail Leak on 98 Deville!!!
  16. Best Bar's Leak...C16 Liquid
  17. To replace or repair the n. star
  18. 97 Deville Question
  19. northstar extended warranty
  20. Noticeably Better Gas Mileage..On 10 yr old+ Engine!?
  21. Gas miles -- Standard DeVille vs DTS
  22. Changing out Fuel Rail??
  23. intake manifold bolt torque?
  24. Strange Things Happing
  25. Gas pedal click
  26. Starting to get rough idle
  27. Fixin' to pull the engine
  28. Head Gasket Leak : NO OVERHEAT with coolant supplement
  29. TPS replacement problem
  30. Fuel Leak
  31. Northstar transplant and electronics
  32. Best way to prevent an oil leak on N*?
  33. 180F or 195F Thermostat for 94 N*?
  34. Misfiring and Service Engine light
  35. Coils / Intermittent "missing" on my 99 STS
  36. Hey Hotrodelectric
  37. Northstar Expectancy
  38. Code P094 Shift A Solenoid Speed Sensor Where and what is it 94 Concours?
  39. Ac
  40. Apparent Coolant Leak Below Water Pump
  41. What makes the Headgaskets go so often on early N*s?
  42. Engine Service Soon light on but no codes??? 94 Concours
  43. Perfect exahust flow for 1999 STS?
  44. 94 N* Eldo - Thought was Head Gasket! WAS NOT! My experience!
  45. oil pressure or electrical problems?
  46. Starting Problem
  47. Coolant leak 94 Concours
  48. Bar's Leaks, block seal: Head Gasket Repair ???
  49. Starter problem with '97 STS
  50. Caddy Northstar LMP 4.0 turbo
  51. I can't drive 55 (very far)
  52. Coolant Spuing
  53. Block Drain Plug- Coolant 4.6L
  54. Vacuum Harness????
  55. Piston Slapping site
  56. Help Again Bbobynski !! - Tranny Codes
  57. ? on buying a northstar engine
  58. Improve gas mileage with water??? Stupid or Scientific?
  59. Major head gasket problem
  60. 4.6 liters 300hp... 2.0 liters 200hp
  61. OBD II computer
  62. a question
  63. Oxytane?
  64. What Engines Can I Use???
  65. Oil getting sucked in through PCV Valve: Old Mechanic's Tale?!
  66. Fuel Rail Leak
  67. Rotten Egg
  68. '95 eldo TC fuel smell in cabin & hard-start
  69. can i use marvel mystery oil?
  70. Pros/cons Of Waterwetter For Northstar
  71. Over Heat Feature
  72. Torque Convertor Viscous?
  73. Can't find IP, TC, PZ, RS code info
  74. P056 easy fix
  75. Northstar misfire and backfire
  76. Throttle body size question, and HEADERS-where can I find some?????
  77. 93-94 wrist pin problems????
  78. Brand New Northstar Engine For $2500
  79. gunning cadillacs...was it NOT worth it? :-\
  80. Intake Assembly
  81. can 94 interchange with one another.
  82. Back fire in the induction system
  83. Caddy won't go into Overdrive Any ideas?
  84. Fastchip vs Superchip ...
  85. Coolant temp 250 is this too high? No warnings and fans on low?
  86. 0-60 specs: 95' N* impressive
  87. Swaping A From Y To 9
  88. need help
  89. 2000 Dts 60k Service?!?!?
  90. Revised Emissions Woes
  91. Any GM/Cadillac certified mechanics on board? PLEASE HELP
  92. Chip for Eldo 95 LE
  93. 97 SLS Stalls Only On Hot Days
  94. Throttle body cleaning question
  95. Oil Pan Gasket Change
  96. Who agrees that the Northstar is due for an overhaul by Cadillac?
  97. High Speed fan switch not working/working well
  98. 94 concours has no warning info messages!!!!
  99. Reasons for a/c compressor inop ?
  100. Q. for anyone who knows re: FWD N* - Why Transverse?
  101. 93 seville driving on its own
  102. engine temp?
  103. Down To The Wire: last minute thoughts please
  104. where are the 25 horses
  105. North * reliability?
  106. "Induction Performance Service"?
  107. How do I know if I need the computer updated?
  108. Oil Pressure Drop
  109. ? for those with aftermarket intakes
  110. Coolant Overflow
  111. gunning cadillacs...is it worth it?
  112. 96 Eldorado heating up...
  113. 1994 Eldorado 4.6L Tapping Noise
  114. Cooling Temps.
  115. Hard shift outta 1st
  116. "Weeping" Head Gasket
  117. Obd1
  118. Help With Code 39 Tcc Off
  119. Idle Problems
  120. squeak on 97 deville
  121. crate 2000 Northstar in a 59 Chevy Suburban
  122. cold start/warm start
  123. 1994 SLS 4.6 Oil Pressure Switch Woes
  124. Colours
  125. Odd Tune Up Question
  126. P0741 TCC stuck off
  127. Pre 2000 Northstars
  128. ShadowLvr400
  129. Replace transaxle seals or not?
  130. Vacuum line routing?
  131. Bobynski!
  132. need rebuilt short block-Northstar
  133. aftermarket CPU ???
  134. 2001 deville go fast parts ???
  135. EGR Pintle Stuck????
  136. High Temps?
  137. Gear Shift Position Indicator 1994 STS
  138. Misfire/hesitation
  139. Race day mods?
  140. 97 Sedan Deville oil change
  141. motor idles eratically at start and then dies
  142. Low Oil Pressure 1994 SLS 4.6 144k
  143. Right or left, Help Please!!!
  144. Need Code Info
  145. 1996 sts need help won't start
  146. Engine crud @ head gasket repair
  147. One fan or two?
  148. Failed emissions....plugs and wires...?
  149. General Questoin
  150. Overheating --- Still!!!!!!!!
  151. What are these trouble codes? Help!
  152. AAARRRGHHH...Where's the #$@#) switch?!?!
  153. Help! Dealer wants $$ for recall fuel rail!
  154. Very Long, EBTCM
  155. Northstar Maintenance -Tune Up
  156. K&N filters
  157. Check engine soon ! Why ?
  158. Waterpump reliability
  159. No one can figure it out!!! Help!!!
  160. In need of expertise
  161. SC44 and SC55
  162. why are the northstar engines always catching on fire?
  163. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  164. 4.9L NorthStar Performance Upgrades???
  165. Need new/rebuilt '96 Seville engine
  166. 100K warranty
  167. Noise from PS pump.
  168. Wanted!! '00+ rear tranny mount
  169. PO 441 error
  170. Help!!
  171. Rubber gone in the top motor mounts
  172. Stop Engine Low oil pressure
  173. Help with fixing a broken shift solenoid
  174. Tranny detent cable question
  175. po29????
  176. '96 STS Engine Stalling - Possible Electrical Problem?
  177. It's time to tear into her!!
  178. Codes PC0300, PC1139, PZ2719
  179. Crack my Block!!!!!!
  180. "Y" code vs. "9" Code
  181. Northstar 97 sls was hard 2 start--now no start
  182. 1997 Seville STS - Oil Leak Problems?
  183. 130k gaskets vs. 88k transplant
  184. Unlimited funds....almost
  185. Service Emissions System
  186. air plenum and coolant...
  187. error codes p0113 &503
  188. Computer codes and more help wanted
  189. coolant and A/C fans broken blades & mounting arms
  190. 1996 Sedan Deville Knock Sensor
  191. Newbie needs help
  192. frozen serpentine belt tensioner
  193. New Northstar, Unleaded or Premium?
  194. Want to buy northstar coils...
  195. Northstar indicates overheat
  196. BBOB - North* Oil Usage Comment
  197. Bad Cylinder?? Low compression?? Need help.
  198. Steam Engine, Now What?
  199. Zero Oil Pressure!! HELP!!
  200. INtake Manifold
  201. N*, Gas drowning my cylinder, getting smoke
  202. 2 Trans oil purge questions...or more?
  203. Erratic Throttle
  204. Strange Readings 1994 Deville Concourse N*
  205. What would a gas coating on a plug mean?
  206. BBOB - thermostat?
  207. Steam from Tail Pipe?
  208. exhaust questions
  209. water pump tool
  210. Cluster Question - Low Oil Pressure
  211. Limp home mode?
  212. Flowmasters?
  213. Flexplate to Torque converter - loctite??
  214. "Check Oil Level" message question
  215. hole in aluminum Radiator - help wanted
  216. Help Eldo Completely Dead But Batt.has Voltage
  217. Rough Idle...Sluggish Acceleration....
  218. Trouble codes
  219. P0741 - TCC System Stuck Off ???
  220. Clueless N* owners with 4 codes
  221. A P059 code?
  222. Longevity of the N* timing chain nylon tensioner pads ?
  223. What type of Power Steering fluid to use in 93 N* Eldo ?
  224. Limp Home Feature?
  225. Last pressure test update - hopefully!!!
  226. How important (really) is an oil cooler?
  227. Cascading multi-module failure-BBOB?
  228. Hesitation when a/c is on?
  229. PCV valve location 2003 Deville
  230. 4T80E Trans neutraling out in Drive/OD
  231. P 028 code AND overheating?
  232. 96 Deville Waterpump belt removal
  233. Is my car misfiring?
  234. Misfire Woes
  235. Another pressure test update
  236. Can dex-cool replace green anti-f?
  237. more head gasket headaches
  238. Egr
  239. More pressure test questions
  240. Nice job on headbolt quality control
  241. 4.0 to 4.6 swap ?
  242. BBOB - did the press test/overheating/????
  243. Timesert kit needed
  244. Tapping Lifters at start
  245. Northstar Gasket Replacement $?
  246. coil packs on 93 ETC?
  247. Eating Oil.......
  248. Eror code p0153
  249. ac only blows worm air
  250. air intake pro's & cons