: Northstar Engines and System Technical Discussion



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  1. p0741 trouble code
  2. 1996 4.6 L. Rebuild, what should be replaced.
  3. Replacement parts after reman engine
  4. hardest water pump to install
  5. Sticky-Noisy Valve Lifters, What to Do?
  6. ISC Adjustment Procedure for OBD1 How To
  7. Need Part Number 94 N* INTAKE MANIFOLD
  8. My mechanic wants to put in a new radiator, should I let him?
  9. 94 caddy coolant leak
  10. Crossover measurement
  11. northstar in a fiero
  12. Oil Additive Question
  13. Overheating and low oil pressure
  14. How about no muffler??
  15. Engine rough running misses no power 95 Eldorado 4.6
  16. Borla vs Corsa and others
  17. starter noise, doesn't start
  18. oil pan gasket change, is this quote correct!?
  19. Mixing Coolants.
  20. '95 Concours leaking oil between engine and trans
  21. Time serts for sale
  22. Northstar changes year to year
  23. no power with Traction Control off
  24. Oil Change question.. price???
  25. A/C and vacuum
  26. 10 best engines, N* not 2 b found
  27. 93 runs rough when hot.
  28. Spark Plug Wire Placement
  29. Adjust TCS Sensitivity?
  30. "The power to set it free"
  31. Oil Analysis
  32. Tried Blue Devil?
  33. Overheating HELP!!!
  34. Alternator Removal??
  35. MAF screen missing
  36. Washed My North*
  37. Battery No Charge
  38. PCM programming question
  39. 95 TPS replace
  40. 93 sts fuel filter
  41. Engine Stall
  42. Can 'sticky' EGR cause misfire or similar?
  43. head gasket mileage
  44. Cadillac Dealerships
  45. dexcool flush
  46. 93 sts rough idle and fluttering under acceleration
  47. wanna see performance then mayb you wanna watch this
  48. cam specs for a 1995 sts
  49. Chance of Fire ??
  50. +++++Looking for a "Time-Sert" tool set+++++
  51. +++++Looking for a "Time-Sert" tool set+++++
  52. 97 STS overheating
  53. water pump
  54. oil change and coolant change this friday
  55. 97 SLS misfiring... ?
  56. Mystery Belt (Simple Question)
  57. 95 Aurora OBD I or OBD II
  58. Normal Temp Readings
  59. Northstar for marine use?
  60. 92 Eldo OBD Code help
  61. kick down
  62. WOT in a Aurora 4.0
  63. Low Oil Pressure
  64. When buying a Northstar powered car....
  65. Oil OIl Everywhere Not a drop to spare
  66. Overheating 95 Seville Sls
  67. Rough idle at start-up
  68. Northstar low oil pressure alarm
  69. Nothstar fairytails
  70. rough idling at lights
  71. Anyone know what "P1320 - IC 4X Reference Circuit Intermittent" means?
  72. Codes p0174, b2102, u1064
  73. Prestone EG coolant "new formula"? for 95 SLS N*
  74. Elusive overheating problem solved/excess oil found
  75. NorthStar Head Bolts
  76. 4.6L Parts Supplier and Availability Question
  77. Torque Convertor removal, problem (96 4.6L)
  78. 4.6 Northstar Time-sert headbolt hole repair kit
  79. My 94 seville idles and runs terrible. I've done everything!
  80. oil consumption cured
  81. How often do I clean the throttle body?
  82. 94 A/C Problem
  83. Flushing radiator 98 deville
  84. Help with codes for an 02 Deville....
  85. 95 Eldo Idle/Acceleration????
  86. I'm sure this has been asked
  87. 1997 stalling problem
  88. 10% Ethanol comes to Northeast U.S.
  89. So I've been using 5W30...
  90. My tranny is FUBAR!
  91. Northstart - Blown Head / Headgasket?
  92. HOW TO: Test/Change TPS (99 STS)
  93. Rebuilt Northstar, No Codes, Poor MPG
  94. 4T80E Torque Converter Removal
  95. 97 ETC Complete Exhaust
  96. help with new car
  97. Fuel mileage (Holy cow!!!)
  98. Radiator Sealant
  99. 2000-2004 crank sensors
  100. Transmission squeak?
  101. Missing 9 HP
  102. How good is K&N filters... really?
  103. Leaking anti-freeze poss waterpump area
  104. Timeserts
  105. L37 gear shifts at what speeds?
  106. Rough cold idle...
  107. help in determing this motor
  108. Is there any interest in 93-95 bored throttle bodies?
  109. Temp gauge issue (Question 2)
  110. Fuel gauge issue (Question 1)
  111. Coolant boiling out of overflow
  112. upgrades...K+N =BAD???
  113. Well im alive...
  114. 1999 deville North** lost mileage
  115. Actual N* engine swaps
  116. Coolant Leak
  117. Just bought my first Cadillac-Has green coolant
  118. Any increase MPG tips?
  119. why ios engine running hotter than before
  120. where is the thermostat located in 2003 deville
  121. how to change coolant in 2003 deville
  122. Head Gasket Going
  123. difference between 275 and 300hp N*?
  124. 96-98 Intake parts
  125. Why is the Northstar "better" than the Intech?
  126. Post 2000 N*?
  127. Motor Mount Question
  128. A/C Question 1994 STS
  129. real fast idle
  130. So I Put My Sled On The Dyno Today..
  131. N* Supercharger and Turbo Systems!?!
  132. 93 N* AC bypass belt?
  133. How come N* isn't used in more vehicles?
  134. Switched to Mobil-1 and oil consumption dropped
  135. 2000 deville dts (Engine runs rough when 1st started)
  136. 2 mufflers for cosmetics or performance?
  137. Northstar upgrades?
  138. How difficult is this?
  139. It won't fire!!!!
  140. Northstar stands alone?
  141. Engine on or off during On Board Diagnostics?
  142. timing pics, homemade locating pins, please look
  143. HELP! Need part number........
  144. AC Recharging Help
  145. About those electric superchargers...
  146. Possibly the best sounding N*?
  147. $660 tune up for 95 STS??!!
  148. Engine Temp. Sensor
  149. When do I replace the AC Compressor
  150. 94 SLS 4.6l, code P071
  151. 130mph??
  152. oil filter adapter
  153. 94 to 97 Northstar interchange question
  154. Bad batch of DELCO PLATINUM 41-950 SPARK PLUGS
  155. How long should plugs/wires last?
  156. Easy question - which is right and which is left?
  157. Tell me how to do a WOT.
  158. How did this guy do burnouts?
  159. 95 Eldorado occasional starting problem.
  160. Coolant change Air purging?
  161. two torque sequences?
  162. mystery oil leak
  163. Still Can't Get The Front Valve Cover Off!!!
  164. Ignition System Problems
  165. This sounds dumb but I'm gonna ask anyway - air intake question
  166. A/C recharge
  167. API grades
  168. Engine Difference between 97' & 99' STS?
  169. part# for speedy sleeve
  170. Post Head gasket job (need Veteran rebuilders advise)
  171. 94 concours acting up..
  172. Trans Question 01 DTS
  173. Engine Error Codes...Please Help
  174. 4.6 L NorthStar Engine Design Questions
  175. multi miss fire multi codes 1996 dev
  176. Have a big ?
  177. What does it all mean?
  178. Metal flakes in engine oil
  179. latest lower end seal job procedure
  180. OBDII Tuner software for Northstar.
  181. Poor gas mileage in aurora 4.0
  182. Northstar Head Gasket, which side, which jug is more common
  183. Code P1415 help?
  184. need new O2s
  185. 2002 Deville transmission
  186. Wanted:1999 4.6 NorthStar leak-down values
  187. MAP Sensor relocation
  188. Can someone explain HOW my injectors went bad?
  189. Bad Mileage Not Fpr
  190. 1999 Cadillac STS Exhaust Mufflers
  191. 4t80e production changes 95-9
  192. Manifolds are melting my car
  193. Check Atf
  194. Putting Northstar on an Engine Stand
  195. Headgasket job +++?
  196. northstar swap into another car, a few questions
  197. 2002 Seville STS Cataylst Issues
  198. Engine Temperatures
  199. Can a 1999 4.6L Northstar "Y" be replaced/exchanged with a "9" of the same year
  200. Amsoil nano-filters (air & oil)
  201. DELCO PLATINUM #41-950 SPARK PLUGS from eBay
  202. 93 Water Pump Confusion
  203. How to check for bad ignition coil?
  204. 94 Eldorado surge in engine and 4 codes
  205. Questions On Crank Shafts
  206. weird start problem that occured
  207. northstar head switching
  208. Northstar 4.6 Interchange and Swapping
  209. Car Farts After WOT
  210. 1999 Northstar engine 85K Miles, How can one tell if is good
  211. 03 Seville Steering Adjustments? ? ?
  212. On My 3 Rear Main Seal
  213. 96 sts crankshaft position sensors
  214. any tranny experts out there?
  215. Fpr For $141.08
  216. Water pump
  217. Rwd N*
  218. Coolant Drain
  219. Coolant Leak 98 Deville
  220. so any chance of an AFC
  221. AC Compressor bypass
  222. 3.5L Shortstar Ignition
  223. Sound
  224. Northstar reliability...
  225. Name That Part
  226. Post headgasket job, one loose end left.
  227. Need re-assembly advise!
  228. Minor starting problem
  229. does it work? (hyper lube)
  230. 96 cadillac deville code after code?!?
  231. Transmission Durability?
  232. Shaky Tachometer at High RPM
  233. 1996 Seville STS Crank Sensors
  234. What other cars use the same style injectors?
  235. Adding Freon
  236. Lost power steering fluid rapidly. Is there a hose?
  237. Northstar engine rebuilders or performance builders in SoCal?
  238. 95 Northstar Coolant leak
  239. EXP ID Codes
  240. Looking for N*mech in northern RI
  241. 93 Eldorado T.C ignition issues
  242. voltage drops when car in drive
  243. after a&b solenoid
  244. Experts please help
  245. 1994 Cadillac Sevile STS thumping into fourth/overdrive
  246. know it all mechanic
  247. Well fellas, I think its really time....
  248. Northstar Head Gasket Issue
  249. timesert kit - for sale on ebay
  250. Strange rattling