: Northstar Engines and System Technical Discussion



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  1. 99 STS metallic ticking noise from valve area
  2. Bonneville GXP 1/4 mile times
  3. Time Serts, Norm's, SureGrip Stud Kit??????
  4. p080
  5. 2004 Deville 275hp... a good buy?
  6. I would like to 'update' the Performance Parts Mega-Post
  7. Questions for Ranger and Submariner409
  8. Cleaning Engine what do i cover?
  9. Any Ideas? No codes, backfire, sputter & parking brake get stuck
  10. dropping cradle: what would you replace preemptively
  11. HG and Timesert in car
  12. 1993 Cadillac Seville STS 4.6l engine bog
  13. Shoud i replace input speed sensor on 2002 deville 140k
  14. Go with studs and get warranty on a DIY HG job
  15. 2002 deville HEAD JOB and MORE --PLEASE HELP
  16. Help. 99 sts dash clicking?
  17. The ever present "miss"
  18. new engine ...?
  19. Code P0603
  20. Fire!!! Eh, not so bad..
  21. Fuel pump removal pictures
  22. No more HG jobs. I'm finished.
  23. More problems after a HG job- or are they?
  24. 02 dts high idle prob
  25. What 2 Do About GM's OHC V8 Engine.... How about the Mainstreaming of the 4.4L SC NS?
  26. 94-99 vs. 2000+ N* Oil issues
  27. RWD Northstar
  28. Running a 2005 N* on a 2006 N* PCM
  29. intake blow off flap
  30. PO155 (HO2S) Code
  31. 95 devile no heat on driver side help
  32. Clever stuff...I think?
  33. trading up
  34. Has anyone tried to put sc 3800 v6?
  35. What gives ?
  36. What is the probability of head gasket failure?
  37. Fuel Pump removal
  38. Like my N* but
  39. Motor will be coming back out after HG job!
  40. Check engine light ?
  41. 1997 deville hard start warm engine
  42. Low mileage Northstar
  43. 00 DTS Falls Flat on Face
  44. Fuel Pump repair kit
  45. Compression test for a head gasket failure
  46. Built Buick Lucerne (400HP Northstar Engine)
  47. Head Gasket Repair in Alaska
  48. Headgasket test kit ?
  49. 97 & 99 deville engine swap??????
  50. Problems After HG job!
  51. Cooling Fans
  52. P0300 and just filled coolant
  53. 01 northstar for sale
  54. northstar power
  55. 1998 STS stalling at idle
  56. New '98 Deville Owner with coolant questions
  57. Find the oil leak
  58. $28 Combustion Leak Tester Kit (Lisle)
  59. Vacuun ports on the northstar
  60. TCC converter stuck off
  61. 2002 Cadillac Deville Rad Flush tips?
  62. 99 Cadillac Seville
  63. EGR or something worse? Please help! '96 SLS
  64. adding oil between oil changes
  65. Mods for transmission during HG job?
  66. 98 SLS with valve noise - ????
  67. 98 sts northstar engine swap
  68. Coolant Question
  69. Part Number: Camshaft seal @ water pump pulley?
  70. Supercharge Your NorthStar for Free.
  71. GIVING AWAY 97 & 98 DEVILLES u pay ship
  72. Engine swap????????
  73. Freebie!
  74. How to install an Eaton/GM M90 Supercharger on a 2003 Northstar
  75. Cam Shaft Bolts!!!
  76. 95 Seville SLS cold start problem with instant fuel pressure drop.
  77. 2003 dhs p0300
  78. Just one glitch left '93 North* %$#@!!
  79. replace or rebuild???? northstar
  80. 2000 DeVille oil filter
  81. Where can I get an engine overhaul kit for 97 4.6L Northstar?
  82. blown head gasket test kit
  83. Stubborn Water Pump Removal
  84. 4.6l N* knocks in cold weather, but quiets after operating temp is reached.
  85. Convert OBDII Northstar to OBDI ???
  86. Timing chain routing??
  87. Northstar 6 Speed Manual
  88. New ECM option for Northstar swappers
  89. Arrrghh Won't start
  90. Seville Filter
  91. Cadillac N* redesign is the fastest TQ. Converter?
  92. help identify the problem !
  93. loss of power
  94. Transmission Removal/replacement
  95. Camshaft install bolt pattern
  96. instaling water pump pulley
  97. Source/Recommendations for Rebuilt Northstar Engines?
  98. Stumble at hot idle, stalling
  99. detonation-preignition
  100. 95 Eldorado has SLOW starting Issue.
  101. Problem after 99 STS Headbolt stripped and repaired
  102. Guide Pin / Alignment Pin Removal The Easy Way
  103. My Northstar is running...
  104. 94 Concours intermittant no start
  105. Unique engine swap, need help deciding which N*
  106. Having a lil trouble holding 4th
  107. 2003 Northstar into a 2001 Deville
  108. TCC Solenoid - Please Help!!
  109. Where did the MPG go?
  110. Intake manifold
  111. 01 SLS Problems
  112. Anyone ever do a headgasket in the car?
  113. traction control input and output data
  114. Fly wheel/starter prof replaced, now oil leak?
  115. Keep getting same code.
  116. Cold starts not so good...
  117. 2001 DTS valvetrain noise after HG job?!
  118. Half Case Seal....
  119. P0153 - HO2S Slow Response Bank 2 Sensor 1
  120. Oil leak on STS, oil pan?
  121. 1994 eldorado coolant leak
  122. failed smog test again. the HC is still high @15MPH
  123. what resonator reduces drone, but not volume? (corsa not option)
  124. Water crossover parts to replace?
  125. intake and top cover 94 Seville STS 4.6
  126. 00 STS Air Pumps; how many of them?
  127. oil pressure
  128. Have a Northstar engine, what should I do with it?
  129. Code help...please!!!!!
  130. Help with o2 sensor--no cat--code p0146
  131. Anyone here an attorney - re: Head gasket failures?
  132. what happend to my kruella
  133. 6 of 8 spark plugs are oily!
  134. Code Assistance
  135. HG cause emissions test failure?
  136. new DTS. wide open throttle?
  137. Quick question: about to order from Rockauto
  138. Remote start
  139. 01 dhs over heating HELP!! PLEASE
  140. Questions about my Headgasket Job
  141. Curse stop leak and fast talking sales men!!
  142. Onboard computer and the octane rating of the fuel being used.
  143. 99 Deville Northstar-New fuel pump, but wont start
  144. need help on north star wire replacing...
  145. codes 073 and 1644
  146. Ranger Should Write a Caddy What to Expect Book
  147. 1st Annual Northstar Meet
  148. Dtc 730
  149. Northstar Stud Kits ready to ship!
  150. 98 SLS screeching noise from egen.
  151. ICM weak spark, have questions
  152. How to drop the cradle?
  153. Wheres my coolant going????
  154. front driver o2 sensor, where do connector wire lead to??
  155. Just got Headgaskets done. Still yellow liquid.
  156. Alternator Bearing Replacement?
  157. 01 STS Cracked Block Rebuilt Engine Recomendations
  158. Didn't pass emission. Got a high NO. Shouldn't use regular Gas(87)?
  159. A spike in coolant temp '93 North*
  160. 2007 XLR 4.6 in a Hot Rod!
  161. Testing MAF Sensor on '97 N* ??
  162. 02 SLS not liking the cold weather
  163. New Eldo Owner: Speed Limiter Question
  164. Damned Motor Mounts
  165. weak fuel pump question
  166. Low oil pressure/stop engine message
  167. '03 SLS - "Surges" at slowdown and stoplights
  168. torque convertor clutch solenoid
  169. Service Electrical System
  170. EGR Removal / Steel fuel rails
  171. advice needed - stubborn tight spark plug
  172. Motor swap,
  173. "97 DeVille B1S1 Oxygen Sensor
  174. I need help
  175. Track times
  176. Coolant leak when driving
  177. 96 SLS Electrical Charge System Gremlin
  178. P 420 code-what does it mean?
  179. Heater Core?
  180. Which side of the engine is "left" side?
  181. Vacuun line diagrahm
  182. 96 sls over curb now won't start
  183. electrical humming noise
  184. cam reluctors
  185. crankshaft sensors
  186. confused
  187. Transmission Pressure Control Solenoid 4T80E
  188. Worn Engine Mounts?
  189. strip thread in block
  190. Cadillac techs, can we visit you?
  191. Why remove the strut brace?
  192. oil filter adapter housing broke!
  193. Head gasket
  194. '97 Northstar MAF location and codes
  195. 94 4.6L Northstar stalls after warmup
  196. P024 - current 93 n* 4t80e trans.
  197. Fuel line?/Vacuum Line?
  198. 1993 4T80-E Transmission
  199. 65k mile service
  200. 4.6L Northstar Rattle
  201. '93 North* Glitch out of hand!
  202. 94 Concours Engine Clatter
  203. Any idea what part this is..urgent
  204. 94 N* overheating and leaking -bubba move
  205. What does a missfire feel like?
  206. 94 Concours leaking oil question
  207. Coil Pack Replacement
  208. 4.0L Northstar, more related to vin Y or vin 9?
  209. Converting a Y engine to a 9 in 97 STS
  210. '93 North* RUBBER PARTS!!!!!
  211. Ignition Ground Voltage
  212. Water in the valley
  213. Head Gasket Repair
  214. Would it be worth it?.
  215. TC defeat in 1st gear
  216. Yellow anti-freeze ?. (sorry)
  217. Where is the radiator drain plug?
  218. 4.9L? How can I tell?
  219. My 2 day old SLS is giving me some strange problems
  220. oil overfilled
  221. Reseting the ECU and PCM
  222. Just bought a used 1999 Deville 4.6L
  223. WOT vs HG preservation
  224. 03 Deville Filter Adapter Oil Leak
  225. Towing a FWD N* vehicle on 4 wheels
  226. Coolant in my Oil
  227. Northstar Repair without inserts
  228. 93 eldo northstar engine missing
  229. Help me understand...
  230. 97 sts cadillac turns over, will not start
  231. It overheated again - any idea why?
  232. What should I do about this 1997 Eldorado ETC?
  233. 96' Seville HG Problems.. :-(
  234. 97 SLS hard to start when warm
  235. How does this engine sound?
  236. HELP ASAP Need to Identify Engine in 97 sts
  237. 2000+ Northstars look different??
  238. cylinder guide pin removal
  239. 03 seville pcv location
  240. Are 00+ northstars slower than <99??
  241. 4.6 Northstar doining very strange
  242. engine boggs when accelerator is stepped on quickly
  243. do you have to pull motor to do head gaskets, can it be done in the car
  244. Thinking about a K&N cold air intake...
  245. northstar drive shaft problems, probably damaged bearing
  246. question on my 95 deville concours. heat gone out and check engine light....
  247. Are Northstar Heads Rebuildable? Or disposable?
  248. Water pump tensioner catastrophic failure?
  249. My Northstar HG project
  250. She's runnin' HOT captain.....