: Northstar Engines and System Technical Discussion



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  1. Leaking Fuel Rail
  2. turning off traction control on '95 sts
  3. New Towing Hitch
  4. Overheating problem just started.
  5. Normal Oil Consumption ???
  6. 112mph???
  7. 93 N* coolant temp sensor
  8. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  9. Voltage question
  10. Oil Question?????
  11. 97' Cadillac Deville Overheating
  12. ticking throttle
  13. Best Head Gasket Sealer
  14. '94 SLS Crankshaft pully
  15. 99 seville sls
  16. 1/4 mile
  17. radiator fan not spinning
  18. Noisy Lifters
  19. Sticky lifter Update
  20. Expensive Air Filters Worth it???
  21. Coolant system question
  22. hard start when hot, not FPR
  23. An Intresting scan tool
  24. pre 99 N* water pump belt tensioner.
  25. Hard Start/ Fuel Odor
  26. Belt Pulley
  27. coolant flow question
  28. Reading data from OBD II
  29. Inaccurate Battery Voltage Display??
  30. Detonation and Pre-ignition
  31. 94 STS needs help
  32. lifting a northstar
  33. Bosch +2 plugs (report)
  34. OSD says "Change Trans Fluid"
  35. premium at the pump...or is it??
  36. Heating Up
  37. 0-60
  38. More performance
  39. cooling fan problem
  40. 1995 seville pcm problem HELP
  41. Valve Train Question
  42. I keep getting P0404 and P0441? Looking for suggestions...
  43. wiring oil pressure sensor
  44. I keep getting P0404 and P0441
  45. Cooling Fans
  46. Some N* questions
  47. Check Engine Oil Level
  48. This N* is living a good life...
  49. Read TECH TIPS FPR - More Info needed
  50. Intakes
  51. 93 sts running rough only when hot
  52. What does "B2118 - Front Vertical Sensor Failed" mean?
  53. Anti-Sieze and Spark Plugs
  54. Intake Manifold questions - chime in!
  55. thermostat for north star
  56. Preparing for coolant change / Double Checking.
  57. 95 Intake Manifold Interchange?
  58. p0741 trouble code
  59. 1996 4.6 L. Rebuild, what should be replaced.
  60. Replacement parts after reman engine
  61. hardest water pump to install
  62. Sticky-Noisy Valve Lifters, What to Do?
  63. ISC Adjustment Procedure for OBD1 How To
  64. Need Part Number 94 N* INTAKE MANIFOLD
  65. My mechanic wants to put in a new radiator, should I let him?
  66. 94 caddy coolant leak
  67. Crossover measurement
  68. northstar in a fiero
  69. Oil Additive Question
  70. Overheating and low oil pressure
  71. How about no muffler??
  72. Engine rough running misses no power 95 Eldorado 4.6
  73. Borla vs Corsa and others
  74. starter noise, doesn't start
  75. oil pan gasket change, is this quote correct!?
  76. Mixing Coolants.
  77. '95 Concours leaking oil between engine and trans
  78. Time serts for sale
  79. Northstar changes year to year
  80. no power with Traction Control off
  81. Oil Change question.. price???
  82. A/C and vacuum
  83. 10 best engines, N* not 2 b found
  84. 93 runs rough when hot.
  85. Spark Plug Wire Placement
  86. Adjust TCS Sensitivity?
  87. "The power to set it free"
  88. Oil Analysis
  89. Tried Blue Devil?
  90. Overheating HELP!!!
  91. Alternator Removal??
  92. MAF screen missing
  93. Washed My North*
  94. Battery No Charge
  95. PCM programming question
  96. 95 TPS replace
  97. 93 sts fuel filter
  98. Engine Stall
  99. Can 'sticky' EGR cause misfire or similar?
  100. head gasket mileage
  101. Cadillac Dealerships
  102. dexcool flush
  103. 93 sts rough idle and fluttering under acceleration
  104. wanna see performance then mayb you wanna watch this
  105. cam specs for a 1995 sts
  106. Chance of Fire ??
  107. +++++Looking for a "Time-Sert" tool set+++++
  108. +++++Looking for a "Time-Sert" tool set+++++
  109. 97 STS overheating
  110. water pump
  111. oil change and coolant change this friday
  112. 97 SLS misfiring... ?
  113. Mystery Belt (Simple Question)
  114. 95 Aurora OBD I or OBD II
  115. Normal Temp Readings
  116. Northstar for marine use?
  117. 92 Eldo OBD Code help
  118. kick down
  119. WOT in a Aurora 4.0
  120. Low Oil Pressure
  121. When buying a Northstar powered car....
  122. Oil OIl Everywhere Not a drop to spare
  123. Overheating 95 Seville Sls
  124. Rough idle at start-up
  125. Northstar low oil pressure alarm
  126. Nothstar fairytails
  127. rough idling at lights
  128. Anyone know what "P1320 - IC 4X Reference Circuit Intermittent" means?
  129. Codes p0174, b2102, u1064
  130. Prestone EG coolant "new formula"? for 95 SLS N*
  131. Elusive overheating problem solved/excess oil found
  132. NorthStar Head Bolts
  133. 4.6L Parts Supplier and Availability Question
  134. Torque Convertor removal, problem (96 4.6L)
  135. 4.6 Northstar Time-sert headbolt hole repair kit
  136. My 94 seville idles and runs terrible. I've done everything!
  137. oil consumption cured
  138. How often do I clean the throttle body?
  139. 94 A/C Problem
  140. Flushing radiator 98 deville
  141. Help with codes for an 02 Deville....
  142. 95 Eldo Idle/Acceleration????
  143. I'm sure this has been asked
  144. 1997 stalling problem
  145. 10% Ethanol comes to Northeast U.S.
  146. So I've been using 5W30...
  147. My tranny is FUBAR!
  148. Northstart - Blown Head / Headgasket?
  149. HOW TO: Test/Change TPS (99 STS)
  150. Rebuilt Northstar, No Codes, Poor MPG
  151. 4T80E Torque Converter Removal
  152. 97 ETC Complete Exhaust
  153. help with new car
  154. Fuel mileage (Holy cow!!!)
  155. Radiator Sealant
  156. 2000-2004 crank sensors
  157. Transmission squeak?
  158. Missing 9 HP
  159. How good is K&N filters... really?
  160. Leaking anti-freeze poss waterpump area
  161. Timeserts
  162. L37 gear shifts at what speeds?
  163. Rough cold idle...
  164. help in determing this motor
  165. Is there any interest in 93-95 bored throttle bodies?
  166. Temp gauge issue (Question 2)
  167. Fuel gauge issue (Question 1)
  168. Coolant boiling out of overflow
  169. upgrades...K+N =BAD???
  170. Well im alive...
  171. 1999 deville North** lost mileage
  172. Actual N* engine swaps
  173. Coolant Leak
  174. Just bought my first Cadillac-Has green coolant
  175. Any increase MPG tips?
  176. why ios engine running hotter than before
  177. where is the thermostat located in 2003 deville
  178. how to change coolant in 2003 deville
  179. Head Gasket Going
  180. difference between 275 and 300hp N*?
  181. 96-98 Intake parts
  182. Why is the Northstar "better" than the Intech?
  183. Post 2000 N*?
  184. Motor Mount Question
  185. A/C Question 1994 STS
  186. real fast idle
  187. So I Put My Sled On The Dyno Today..
  188. N* Supercharger and Turbo Systems!?!
  189. 93 N* AC bypass belt?
  190. How come N* isn't used in more vehicles?
  191. Switched to Mobil-1 and oil consumption dropped
  192. 2000 deville dts (Engine runs rough when 1st started)
  193. 2 mufflers for cosmetics or performance?
  194. Northstar upgrades?
  195. How difficult is this?
  196. It won't fire!!!!
  197. Northstar stands alone?
  198. Engine on or off during On Board Diagnostics?
  199. timing pics, homemade locating pins, please look
  200. HELP! Need part number........
  201. AC Recharging Help
  202. About those electric superchargers...
  203. Possibly the best sounding N*?
  204. $660 tune up for 95 STS??!!
  205. Engine Temp. Sensor
  206. When do I replace the AC Compressor
  207. 94 SLS 4.6l, code P071
  208. 130mph??
  209. oil filter adapter
  210. 94 to 97 Northstar interchange question
  211. Bad batch of DELCO PLATINUM 41-950 SPARK PLUGS
  212. How long should plugs/wires last?
  213. Easy question - which is right and which is left?
  214. Tell me how to do a WOT.
  215. How did this guy do burnouts?
  216. 95 Eldorado occasional starting problem.
  217. Coolant change Air purging?
  218. two torque sequences?
  219. mystery oil leak
  220. Still Can't Get The Front Valve Cover Off!!!
  221. Ignition System Problems
  222. This sounds dumb but I'm gonna ask anyway - air intake question
  223. A/C recharge
  224. API grades
  225. Engine Difference between 97' & 99' STS?
  226. part# for speedy sleeve
  227. Post Head gasket job (need Veteran rebuilders advise)
  228. 94 concours acting up..
  229. Trans Question 01 DTS
  230. Engine Error Codes...Please Help
  231. 4.6 L NorthStar Engine Design Questions
  232. multi miss fire multi codes 1996 dev
  233. Have a big ?
  234. What does it all mean?
  235. Metal flakes in engine oil
  236. latest lower end seal job procedure
  237. OBDII Tuner software for Northstar.
  238. Poor gas mileage in aurora 4.0
  239. Northstar Head Gasket, which side, which jug is more common
  240. Code P1415 help?
  241. need new O2s
  242. 2002 Deville transmission
  243. Wanted:1999 4.6 NorthStar leak-down values
  244. MAP Sensor relocation
  245. Can someone explain HOW my injectors went bad?
  246. Bad Mileage Not Fpr
  247. 1999 Cadillac STS Exhaust Mufflers
  248. 4t80e production changes 95-9
  249. Manifolds are melting my car
  250. Check Atf