: Northstar Engines and System Technical Discussion



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 [20] 21 22 23 24 25 26 27 28 29 30 31 32 33 34

  1. Northstar low oil pressure alarm
  2. Nothstar fairytails
  3. rough idling at lights
  4. Anyone know what "P1320 - IC 4X Reference Circuit Intermittent" means?
  5. Codes p0174, b2102, u1064
  6. Prestone EG coolant "new formula"? for 95 SLS N*
  7. Elusive overheating problem solved/excess oil found
  8. NorthStar Head Bolts
  9. 4.6L Parts Supplier and Availability Question
  10. Torque Convertor removal, problem (96 4.6L)
  11. 4.6 Northstar Time-sert headbolt hole repair kit
  12. My 94 seville idles and runs terrible. I've done everything!
  13. oil consumption cured
  14. How often do I clean the throttle body?
  15. 94 A/C Problem
  16. Flushing radiator 98 deville
  17. Help with codes for an 02 Deville....
  18. 95 Eldo Idle/Acceleration????
  19. I'm sure this has been asked
  20. 1997 stalling problem
  21. 10% Ethanol comes to Northeast U.S.
  22. So I've been using 5W30...
  23. My tranny is FUBAR!
  24. Northstart - Blown Head / Headgasket?
  25. HOW TO: Test/Change TPS (99 STS)
  26. Rebuilt Northstar, No Codes, Poor MPG
  27. 4T80E Torque Converter Removal
  28. 97 ETC Complete Exhaust
  29. help with new car
  30. Fuel mileage (Holy cow!!!)
  31. Radiator Sealant
  32. 2000-2004 crank sensors
  33. Transmission squeak?
  34. Missing 9 HP
  35. How good is K&N filters... really?
  36. Leaking anti-freeze poss waterpump area
  37. Timeserts
  38. L37 gear shifts at what speeds?
  39. Rough cold idle...
  40. help in determing this motor
  41. Is there any interest in 93-95 bored throttle bodies?
  42. Temp gauge issue (Question 2)
  43. Fuel gauge issue (Question 1)
  44. Coolant boiling out of overflow
  45. upgrades...K+N =BAD???
  46. Well im alive...
  47. 1999 deville North** lost mileage
  48. Actual N* engine swaps
  49. Coolant Leak
  50. Just bought my first Cadillac-Has green coolant
  51. Any increase MPG tips?
  52. why ios engine running hotter than before
  53. where is the thermostat located in 2003 deville
  54. how to change coolant in 2003 deville
  55. Head Gasket Going
  56. difference between 275 and 300hp N*?
  57. 96-98 Intake parts
  58. Why is the Northstar "better" than the Intech?
  59. Post 2000 N*?
  60. Motor Mount Question
  61. A/C Question 1994 STS
  62. real fast idle
  63. So I Put My Sled On The Dyno Today..
  64. N* Supercharger and Turbo Systems!?!
  65. 93 N* AC bypass belt?
  66. How come N* isn't used in more vehicles?
  67. Switched to Mobil-1 and oil consumption dropped
  68. 2000 deville dts (Engine runs rough when 1st started)
  69. 2 mufflers for cosmetics or performance?
  70. Northstar upgrades?
  71. How difficult is this?
  72. It won't fire!!!!
  73. Northstar stands alone?
  74. Engine on or off during On Board Diagnostics?
  75. timing pics, homemade locating pins, please look
  76. HELP! Need part number........
  77. AC Recharging Help
  78. About those electric superchargers...
  79. Possibly the best sounding N*?
  80. $660 tune up for 95 STS??!!
  81. Engine Temp. Sensor
  82. When do I replace the AC Compressor
  83. 94 SLS 4.6l, code P071
  84. 130mph??
  85. oil filter adapter
  86. 94 to 97 Northstar interchange question
  87. Bad batch of DELCO PLATINUM 41-950 SPARK PLUGS
  88. How long should plugs/wires last?
  89. Easy question - which is right and which is left?
  90. Tell me how to do a WOT.
  91. How did this guy do burnouts?
  92. 95 Eldorado occasional starting problem.
  93. Coolant change Air purging?
  94. two torque sequences?
  95. mystery oil leak
  96. Still Can't Get The Front Valve Cover Off!!!
  97. Ignition System Problems
  98. This sounds dumb but I'm gonna ask anyway - air intake question
  99. A/C recharge
  100. API grades
  101. Engine Difference between 97' & 99' STS?
  102. part# for speedy sleeve
  103. Post Head gasket job (need Veteran rebuilders advise)
  104. 94 concours acting up..
  105. Trans Question 01 DTS
  106. Engine Error Codes...Please Help
  107. 4.6 L NorthStar Engine Design Questions
  108. multi miss fire multi codes 1996 dev
  109. Have a big ?
  110. What does it all mean?
  111. Metal flakes in engine oil
  112. latest lower end seal job procedure
  113. OBDII Tuner software for Northstar.
  114. Poor gas mileage in aurora 4.0
  115. Northstar Head Gasket, which side, which jug is more common
  116. Code P1415 help?
  117. need new O2s
  118. 2002 Deville transmission
  119. Wanted:1999 4.6 NorthStar leak-down values
  120. MAP Sensor relocation
  121. Can someone explain HOW my injectors went bad?
  122. Bad Mileage Not Fpr
  123. 1999 Cadillac STS Exhaust Mufflers
  124. 4t80e production changes 95-9
  125. Manifolds are melting my car
  126. Check Atf
  127. Putting Northstar on an Engine Stand
  128. Headgasket job +++?
  129. northstar swap into another car, a few questions
  130. 2002 Seville STS Cataylst Issues
  131. Engine Temperatures
  132. Can a 1999 4.6L Northstar "Y" be replaced/exchanged with a "9" of the same year
  133. Amsoil nano-filters (air & oil)
  134. DELCO PLATINUM #41-950 SPARK PLUGS from eBay
  135. 93 Water Pump Confusion
  136. How to check for bad ignition coil?
  137. 94 Eldorado surge in engine and 4 codes
  138. Questions On Crank Shafts
  139. weird start problem that occured
  140. northstar head switching
  141. Northstar 4.6 Interchange and Swapping
  142. Car Farts After WOT
  143. 1999 Northstar engine 85K Miles, How can one tell if is good
  144. 03 Seville Steering Adjustments? ? ?
  145. On My 3 Rear Main Seal
  146. 96 sts crankshaft position sensors
  147. any tranny experts out there?
  148. Fpr For $141.08
  149. Water pump
  150. Rwd N*
  151. Coolant Drain
  152. Coolant Leak 98 Deville
  153. so any chance of an AFC
  154. AC Compressor bypass
  155. 3.5L Shortstar Ignition
  156. Sound
  157. Northstar reliability...
  158. Name That Part
  159. Post headgasket job, one loose end left.
  160. Need re-assembly advise!
  161. Minor starting problem
  162. does it work? (hyper lube)
  163. 96 cadillac deville code after code?!?
  164. Transmission Durability?
  165. Shaky Tachometer at High RPM
  166. 1996 Seville STS Crank Sensors
  167. What other cars use the same style injectors?
  168. Adding Freon
  169. Lost power steering fluid rapidly. Is there a hose?
  170. Northstar engine rebuilders or performance builders in SoCal?
  171. 95 Northstar Coolant leak
  172. EXP ID Codes
  173. Looking for N*mech in northern RI
  174. 93 Eldorado T.C ignition issues
  175. voltage drops when car in drive
  176. after a&b solenoid
  177. Experts please help
  178. 1994 Cadillac Sevile STS thumping into fourth/overdrive
  179. know it all mechanic
  180. Well fellas, I think its really time....
  181. Northstar Head Gasket Issue
  182. timesert kit - for sale on ebay
  183. Strange rattling
  184. Northstar performance parts
  185. Procedure for Coolant flush
  186. Dynomax - Long life?
  187. Running Functional Test on my 94 Deville Concours.
  188. 94 northstar swap
  189. Airbox Computer?
  190. ICM Replacement
  191. Cranks, but won't start
  192. 96 deville antifreeze coming out exhaust
  193. Its Getting Hot Inside
  194. STS fuel Injection problem NEED HELP
  195. I think I'm missing a few ponies!
  196. 99 Deville Hesitating???
  197. Eliminating the exhaust crossover??
  198. Po138???
  199. Front Valve Cover Removal
  200. You guys read this stuff????
  201. camshaft swap "9" motor to "Y" motor
  202. What is TSB 99-06-04-053?
  203. 94 cadillac concours
  204. Can anyone tell me what these compression numbers mean?
  205. H Gasket Job Ballpark Price Needed for Parts
  206. Heater core replacement, help!
  207. Ah, darn... My 94 Eldorado Is having problems.
  208. Anyone know a reputable transmission shop in Orlando?
  209. Lifter?valve noise
  210. 93 Northstar dies out at idle
  211. Time Sert Kit Needed
  212. Engine Replacement
  213. Broken Head Bolt (small type)
  214. P0741 - TCC System Stuck Off...Now What??
  215. homemade locating dowels - a possibility?
  216. Rear Valve Cover Leak!!
  217. Going from a 4.0 to a 4.6
  218. how many miles on your N*?
  219. Crank Position Sensor Replace Quick Question...
  220. 98 STS code P0404 (and P0300)
  221. Not Nearly As Hard As I Thought
  222. what to do about SO codes...
  223. overfilled tranny....
  224. OBD1 chip reprogramming?
  225. Hey Check Out What Im Doing....
  226. 95-6 transmission harness
  227. new headbolts
  228. Torque Converter Clutch Stuck...How to Fix??
  229. BS? "aftermarket Mass Air Sensor = improved hp, torque and mileage from your car"
  230. pulling engine, top or bottom???
  231. RANGER: Can't Identify Codes...
  232. 1996 1/8th mile times!
  233. '96 SDV Update...2 Codes...Help??
  234. Need a new alternator......
  235. Cranking but not starting.. fuel pump relay?
  236. EXP ID 83, 84, 140, 25 ??? Any Help?
  237. timesert kit for sale
  238. Factory Specs for Compression??
  239. torque wrench advice
  240. Stripped Oil Pan Bolt Hole
  241. Would you like some cheese and crackers with that Whine?
  242. Ready to rebuild-best source for tserts and bearings
  243. Stability Reduced? wut?
  244. Compression numbers for the North*
  245. Options to repair ONE engine block thread
  246. What ever happened to the supercarger for N*?
  247. Torquing of Rocker????
  248. Minor Problem with my 94 SLS
  249. Chip & Bored T/B ???
  250. Why with the Northstar 4.6?