: Northstar Engines and System Technical Discussion



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