: Northstar Engines and System Technical Discussion



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