: Northstar Engines and System Technical Discussion



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  1. Help with engine removal for STS
  2. Can 97 N* lifters be disassembled?
  3. front motor mount
  4. A/C delete pulley
  5. coolant leak
  6. Overpressurize relief valve boot
  7. 97 deville blown head gasket question
  8. The best preventative maintenance for my 97 N*?
  9. Service Stability System
  10. duramax1980
  11. 98 NS Brackets
  12. Intake Manifold Removal, '97 SLS
  13. Northstar Bracket
  14. my 1st post transmission problems i think
  15. Priming the oil pump on a northstar engine
  16. 2000 STS, N*interchangibility?
  17. Trying to find Intake Manifold Spacer
  18. PCM wiring without a complete car harness
  19. 99 ETC Weak hot restart?
  20. deville 2000 HG ???
  21. DHS would stall upon starting... would not idle
  22. Why Check the Oil When Hot?
  23. very little coolant circulation...i hope its not a head gasket
  24. '99 STS Oil Smell?
  25. why didnt gm recall northstar engines for head gasket?
  26. Any good Northstar Mechanics in SoCal
  27. radiator drain valve
  28. New Studs to incorporate alignment pins
  29. 1997 Power Steering Pump Questions
  30. 2000 N* Head Gasket probability
  31. 00' STS N* Conversion ???
  32. 99 Deville/Headgasket Issue
  33. Misfire PC0300 Code
  34. Code P0741...Really confused.....Need help!!!
  35. Finally tore the motor apart
  36. 1997 sts stalled, Won't start
  37. HARD loud knock @ acceleration. help
  38. 93 Northstar Dies randomly. HELP!
  39. 95 SLS throttle body vacuum plug
  40. 2006 DTS engine issue
  41. 97 northstar balancer removal
  42. Advice on Northstar Transmission???
  43. oil in the antifreeze & overheating
  44. HG blown 375 days after a $3500 repair
  45. Northstar Coil Bank
  46. Engine wiring harness removal
  47. 97 seville sls coolant loss
  48. 98 deville engine question
  49. STS Blowing Out Oil But From WHERE?????
  50. '93 STS Oil cooler
  51. What kind of seal installer to use?
  52. Northstar head gasket replacement with warranty, Louisville KY - 1500 + parts
  53. how easy is changing the thermostat yourself
  54. Low speed stall
  55. Coolant Issue "00 STS"
  56. failed state inspection because of p0507
  57. Alternator questions....
  58. Bars Leaks Liquid Copper?
  59. which of these codes will cause my service engine light to be on?
  60. 97 Deville oil pan leak
  61. Please Help with long cranking time
  62. high idle
  63. Aftermarket Intake for '99 DeVille base model
  64. 02 Deville rough idle & codes
  65. 1998 Eldorado Head Gasket - 2nd time in 375-days
  66. Started to hear an intermittent grinding noise
  67. $788 To fix P0410 Code
  68. Car Stalled, won't restart
  69. Smell Coolant after Driving??
  70. 1994 STS quit in driveway, seems battery went dead.
  71. 2000 seville sts misfire
  72. Idle Air Control Valve (IAC)
  73. 94 sts intake cover gasket
  74. HG Budget for 97 STS
  75. Help.. 2000 dts tranny blown
  76. 1999 Seville SLS hard start P1350/P1375
  77. Crap!!! Coolant leak! what do I do!?!?!?
  78. 97 Northstar Oil leak
  79. 94 Eldorado Idle problem
  80. Best service manual (rebuilding)
  81. low oil pressure indictator
  82. Any idea what I should pay to get the evap solenoid replaced ?
  83. Thinking of rebuilding motor... questions..
  84. 2001 Deville getting hot
  85. Oil pressure
  86. Cooling system tablets after HG job
  87. HG Jobs for all, anywhere in Canada or USA in my new shop
  88. where to get headgasket job done?
  89. Northstar Engine Gets Gummy?
  90. STS low power
  91. Northstar engine miss
  92. 2002 Deville P3008 code
  93. Real Performance Parts for the L37
  94. HELP outta town with tranny issues
  95. Cooling fans and hard driving- temp spikes
  96. Convert 98 SLS motor into STS motor?
  97. NO Codes but stalls...
  98. Stand-alone Northstar engine/trans for swap
  99. 4T80E solenoid shift replacement
  100. N* Swap with Factory ECM and avoiding DTC's
  101. Vin lookup for engine history
  102. 1999 STS Traction Control off......Unable to turn it on.
  103. 98 deville no fan / tech 2 commanded fan on
  104. 1999 Cadillac Seville OVERHEATING :(
  105. Any differences in an Export N* Engine and a Domestic One?
  106. To much Antifreez
  107. Synthetic or Regular Oil in 08 Escalade ESV?
  108. Stalling when wet
  109. 1998 STS : Code v
  110. 02 Deville plenum question
  111. MSD Timing Controller - Question for AJ
  112. Cranshaft Main Bolts
  113. Rear Main Seal Install
  114. Where to find coolant test?
  115. Can I put a 2001 Northstar in a 1997 Eldorado?
  116. Major coolant leak
  117. I think i'm ready
  118. what to look for buying a used northstar powered car
  119. Happy ending to overheating problem
  120. 2000 sts
  121. Fully Polished Aluminum Strut Tower Brace for 98+Seville and 00+ Deville
  122. o2 sensor thread repair
  123. Bypass AC pump 94 Eldorado
  124. Northstar oil leak, main bolts
  125. 1993 Eldorado Northstar running rough
  126. Limp Mode?
  127. STS N* Rough Idle/Miss at Startup
  128. northstar aurora alternator
  129. Swap 4.9l v8 and 4.6l v8 northstar
  130. '99 STS stuck water water pump
  131. Water pump drive pulley
  132. heater on bench 1?
  133. Hello all
  134. wide engine temp swing
  135. Oil pan gasket
  136. I allmost died in my sts !!!!!, P065 drives itself
  137. 1993 seville STS
  138. cooling fan electrical diagram
  139. Fuel Injectors Revisited
  140. head gasket replacement in louisville kentucky area
  141. Cam Replacement in Car
  142. Northstar block #'s info needed on a used engine.
  143. oil filter for northstar
  144. 2000 sls overheating
  145. SLS overheating help? please?
  146. testing for bad HG
  147. 94 STS Coolant leak between block and flywheel
  148. Valve cover gaskets
  149. Hitting rev limiter in idle after startup
  150. Bad news Very Bad news
  151. EGR symptoms
  152. fuel pumps
  153. manifold pressure sensor or mat sensor
  154. Transaxle interchange
  155. TSB for Oil Consumption
  156. N*** PCM hacking Help
  157. Increasing fuel efficiency
  158. 94 Eldorado 4.6 High Idle
  159. photo shop help
  160. high engine rpm at start up
  161. Is it possible to have digital temperature display on 2002 deville ?
  162. 99 STS metallic ticking noise from valve area
  163. Bonneville GXP 1/4 mile times
  164. Time Serts, Norm's, SureGrip Stud Kit??????
  165. p080
  166. 2004 Deville 275hp... a good buy?
  167. I would like to 'update' the Performance Parts Mega-Post
  168. Questions for Ranger and Submariner409
  169. Cleaning Engine what do i cover?
  170. Any Ideas? No codes, backfire, sputter & parking brake get stuck
  171. dropping cradle: what would you replace preemptively
  172. HG and Timesert in car
  173. 1993 Cadillac Seville STS 4.6l engine bog
  174. Shoud i replace input speed sensor on 2002 deville 140k
  175. Go with studs and get warranty on a DIY HG job
  176. 2002 deville HEAD JOB and MORE --PLEASE HELP
  177. Help. 99 sts dash clicking?
  178. The ever present "miss"
  179. new engine ...?
  180. Code P0603
  181. Fire!!! Eh, not so bad..
  182. Fuel pump removal pictures
  183. No more HG jobs. I'm finished.
  184. More problems after a HG job- or are they?
  185. 02 dts high idle prob
  186. What 2 Do About GM's OHC V8 Engine.... How about the Mainstreaming of the 4.4L SC NS?
  187. 94-99 vs. 2000+ N* Oil issues
  188. RWD Northstar
  189. Running a 2005 N* on a 2006 N* PCM
  190. intake blow off flap
  191. PO155 (HO2S) Code
  192. 95 devile no heat on driver side help
  193. Clever stuff...I think?
  194. trading up
  195. Has anyone tried to put sc 3800 v6?
  196. What gives ?
  197. What is the probability of head gasket failure?
  198. Fuel Pump removal
  199. Like my N* but
  200. Motor will be coming back out after HG job!
  201. Check engine light ?
  202. 1997 deville hard start warm engine
  203. Low mileage Northstar
  204. 00 DTS Falls Flat on Face
  205. Fuel Pump repair kit
  206. Compression test for a head gasket failure
  207. Built Buick Lucerne (400HP Northstar Engine)
  208. Head Gasket Repair in Alaska
  209. Headgasket test kit ?
  210. 97 & 99 deville engine swap??????
  211. Problems After HG job!
  212. Cooling Fans
  213. P0300 and just filled coolant
  214. 01 northstar for sale
  215. northstar power
  216. 1998 STS stalling at idle
  217. New '98 Deville Owner with coolant questions
  218. Find the oil leak
  219. $28 Combustion Leak Tester Kit (Lisle)
  220. Vacuun ports on the northstar
  221. TCC converter stuck off
  222. 2002 Cadillac Deville Rad Flush tips?
  223. 99 Cadillac Seville
  224. EGR or something worse? Please help! '96 SLS
  225. adding oil between oil changes
  226. Mods for transmission during HG job?
  227. 98 SLS with valve noise - ????
  228. 98 sts northstar engine swap
  229. Coolant Question
  230. Part Number: Camshaft seal @ water pump pulley?
  231. Supercharge Your NorthStar for Free.
  232. GIVING AWAY 97 & 98 DEVILLES u pay ship
  233. Engine swap????????
  234. Freebie!
  235. How to install an Eaton/GM M90 Supercharger on a 2003 Northstar
  236. Cam Shaft Bolts!!!
  237. 95 Seville SLS cold start problem with instant fuel pressure drop.
  238. 2003 dhs p0300
  239. Just one glitch left '93 North* %$#@!!
  240. replace or rebuild???? northstar
  241. 2000 DeVille oil filter
  242. Where can I get an engine overhaul kit for 97 4.6L Northstar?
  243. blown head gasket test kit
  244. Stubborn Water Pump Removal
  245. 4.6l N* knocks in cold weather, but quiets after operating temp is reached.
  246. Convert OBDII Northstar to OBDI ???
  247. Timing chain routing??
  248. Northstar 6 Speed Manual
  249. New ECM option for Northstar swappers
  250. Arrrghh Won't start