: Northstar Engines and System Technical Discussion



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  1. very little coolant circulation...i hope its not a head gasket
  2. '99 STS Oil Smell?
  3. Any good Northstar Mechanics in SoCal
  4. radiator drain valve
  5. New Studs to incorporate alignment pins
  6. 1997 Power Steering Pump Questions
  7. 2000 N* Head Gasket probability
  8. 00' STS N* Conversion ???
  9. 99 Deville/Headgasket Issue
  10. Misfire PC0300 Code
  11. Code P0741...Really confused.....Need help!!!
  12. Finally tore the motor apart
  13. 1997 sts stalled, Won't start
  14. HARD loud knock @ acceleration. help
  15. 93 Northstar Dies randomly. HELP!
  16. 95 SLS throttle body vacuum plug
  17. 2006 DTS engine issue
  18. 97 northstar balancer removal
  19. Advice on Northstar Transmission???
  20. oil in the antifreeze & overheating
  21. HG blown 375 days after a $3500 repair
  22. Northstar Coil Bank
  23. Engine wiring harness removal
  24. 97 seville sls coolant loss
  25. 98 deville engine question
  26. STS Blowing Out Oil But From WHERE?????
  27. '93 STS Oil cooler
  28. What kind of seal installer to use?
  29. Northstar head gasket replacement with warranty, Louisville KY - 1500 + parts
  30. how easy is changing the thermostat yourself
  31. Low speed stall
  32. Coolant Issue "00 STS"
  33. failed state inspection because of p0507
  34. Alternator questions....
  35. Bars Leaks Liquid Copper?
  36. which of these codes will cause my service engine light to be on?
  37. 97 Deville oil pan leak
  38. Please Help with long cranking time
  39. high idle
  40. Aftermarket Intake for '99 DeVille base model
  41. 02 Deville rough idle & codes
  42. 1998 Eldorado Head Gasket - 2nd time in 375-days
  43. Started to hear an intermittent grinding noise
  44. $788 To fix P0410 Code
  45. Car Stalled, won't restart
  46. Smell Coolant after Driving??
  47. 1994 STS quit in driveway, seems battery went dead.
  48. 2000 seville sts misfire
  49. Idle Air Control Valve (IAC)
  50. 94 sts intake cover gasket
  51. HG Budget for 97 STS
  52. Help.. 2000 dts tranny blown
  53. 1999 Seville SLS hard start P1350/P1375
  54. Crap!!! Coolant leak! what do I do!?!?!?
  55. 97 Northstar Oil leak
  56. 94 Eldorado Idle problem
  57. Best service manual (rebuilding)
  58. low oil pressure indictator
  59. Any idea what I should pay to get the evap solenoid replaced ?
  60. Thinking of rebuilding motor... questions..
  61. 2001 Deville getting hot
  62. Oil pressure
  63. Cooling system tablets after HG job
  64. HG Jobs for all, anywhere in Canada or USA in my new shop
  65. where to get headgasket job done?
  66. Northstar Engine Gets Gummy?
  67. STS low power
  68. Northstar engine miss
  69. 2002 Deville P3008 code
  70. Real Performance Parts for the L37
  71. HELP outta town with tranny issues
  72. Cooling fans and hard driving- temp spikes
  73. Convert 98 SLS motor into STS motor?
  74. NO Codes but stalls...
  75. Stand-alone Northstar engine/trans for swap
  76. 4T80E solenoid shift replacement
  77. N* Swap with Factory ECM and avoiding DTC's
  78. Vin lookup for engine history
  79. 1999 STS Traction Control off......Unable to turn it on.
  80. 98 deville no fan / tech 2 commanded fan on
  81. 1999 Seville OVERHEATING
  82. Any differences in an Export N* Engine and a Domestic One?
  83. To much Antifreez
  84. Synthetic or Regular Oil in 08 Escalade ESV?
  85. Stalling when wet
  86. 1998 STS : Code v
  87. 02 Deville plenum question
  88. MSD Timing Controller - Question for AJ
  89. Cranshaft Main Bolts
  90. Rear Main Seal Install
  91. Where to find coolant test?
  92. Can I put a 2001 Northstar in a 1997 Eldorado?
  93. Major coolant leak
  94. I think i'm ready
  95. what to look for buying a used northstar powered car
  96. Happy ending to overheating problem
  97. 2000 sts
  98. Fully Polished Aluminum Strut Tower Brace for 98+Seville and 00+ Deville
  99. o2 sensor thread repair
  100. Bypass AC pump 94 Eldorado
  101. Northstar oil leak, main bolts
  102. 1993 Eldorado Northstar running rough
  103. Limp Mode?
  104. STS N* Rough Idle/Miss at Startup
  105. northstar aurora alternator
  106. Swap 4.9l v8 and 4.6l v8 northstar
  107. '99 STS stuck water water pump
  108. Water pump drive pulley
  109. heater on bench 1?
  110. Hello all
  111. wide engine temp swing
  112. Oil pan gasket
  113. I allmost died in my sts !!!!!, P065 drives itself
  114. 1993 seville STS
  115. cooling fan electrical diagram
  116. Fuel Injectors Revisited
  117. head gasket replacement in louisville kentucky area
  118. Cam Replacement in Car
  119. Northstar block #'s info needed on a used engine.
  120. oil filter for northstar
  121. 2000 sls overheating
  122. SLS overheating help? please?
  123. testing for bad HG
  124. 94 STS Coolant leak between block and flywheel
  125. Valve cover gaskets
  126. Hitting rev limiter in idle after startup
  127. Bad news Very Bad news
  128. EGR symptoms
  129. fuel pumps
  130. manifold pressure sensor or mat sensor
  131. Transaxle interchange
  132. TSB for Oil Consumption
  133. N*** PCM hacking Help
  134. Increasing fuel efficiency
  135. 94 Eldorado 4.6 High Idle
  136. photo shop help
  137. high engine rpm at start up
  138. Is it possible to have digital temperature display on 2002 deville ?
  139. 99 STS metallic ticking noise from valve area
  140. Bonneville GXP 1/4 mile times
  141. Time Serts, Norm's, SureGrip Stud Kit??????
  142. p080
  143. 2004 Deville 275hp... a good buy?
  144. I would like to 'update' the Performance Parts Mega-Post
  145. Questions for Ranger and Submariner409
  146. Cleaning Engine what do i cover?
  147. Any Ideas? No codes, backfire, sputter & parking brake get stuck
  148. dropping cradle: what would you replace preemptively
  149. HG and Timesert in car
  150. 1993 Cadillac Seville STS 4.6l engine bog
  151. Shoud i replace input speed sensor on 2002 deville 140k
  152. Go with studs and get warranty on a DIY HG job
  153. 2002 deville HEAD JOB and MORE --PLEASE HELP
  154. Help. 99 sts dash clicking?
  155. The ever present "miss"
  156. new engine ...?
  157. Code P0603
  158. Fire!!! Eh, not so bad..
  159. Fuel pump removal pictures
  160. No more HG jobs. I'm finished.
  161. More problems after a HG job- or are they?
  162. 02 dts high idle prob
  163. What 2 Do About GM's OHC V8 Engine.... How about the Mainstreaming of the 4.4L SC NS?
  164. 94-99 vs. 2000+ N* Oil issues
  165. RWD Northstar
  166. Running a 2005 N* on a 2006 N* PCM
  167. intake blow off flap
  168. PO155 (HO2S) Code
  169. 95 devile no heat on driver side help
  170. Clever stuff...I think?
  171. trading up
  172. Has anyone tried to put sc 3800 v6?
  173. What gives ?
  174. What is the probability of head gasket failure?
  175. Fuel Pump removal
  176. Like my N* but
  177. Motor will be coming back out after HG job!
  178. Check engine light ?
  179. 1997 deville hard start warm engine
  180. Low mileage Northstar
  181. 00 DTS Falls Flat on Face
  182. Fuel Pump repair kit
  183. Compression test for a head gasket failure
  184. Built Buick Lucerne (400HP Northstar Engine)
  185. Head Gasket Repair in Alaska
  186. Headgasket test kit ?
  187. 97 & 99 deville engine swap??????
  188. Problems After HG job!
  189. Cooling Fans
  190. P0300 and just filled coolant
  191. 01 northstar for sale
  192. northstar power
  193. 1998 STS stalling at idle
  194. New '98 Deville Owner with coolant questions
  195. Find the oil leak
  196. $28 Combustion Leak Tester Kit (Lisle)
  197. Vacuun ports on the northstar
  198. TCC converter stuck off
  199. 2002 Cadillac Deville Rad Flush tips?
  200. 99 Cadillac Seville
  201. EGR or something worse? Please help! '96 SLS
  202. adding oil between oil changes
  203. Mods for transmission during HG job?
  204. 98 SLS with valve noise - ????
  205. 98 sts northstar engine swap
  206. Coolant Question
  207. Part Number: Camshaft seal @ water pump pulley?
  208. Supercharge Your NorthStar for Free.
  209. GIVING AWAY 97 & 98 DEVILLES u pay ship
  210. Engine swap????????
  211. Freebie!
  212. How to install an Eaton/GM M90 Supercharger on a 2003 Northstar
  213. Cam Shaft Bolts!!!
  214. 95 Seville SLS cold start problem with instant fuel pressure drop.
  215. 2003 dhs p0300
  216. Just one glitch left '93 North* %$#@!!
  217. replace or rebuild???? northstar
  218. 2000 DeVille oil filter
  219. Where can I get an engine overhaul kit for 97 4.6L Northstar?
  220. blown head gasket test kit
  221. Stubborn Water Pump Removal
  222. 4.6l N* knocks in cold weather, but quiets after operating temp is reached.
  223. Convert OBDII Northstar to OBDI ???
  224. Timing chain routing??
  225. Northstar 6 Speed Manual
  226. New ECM option for Northstar swappers
  227. Arrrghh Won't start
  228. Seville Filter
  229. Cadillac N* redesign is the fastest TQ. Converter?
  230. help identify the problem !
  231. loss of power
  232. Transmission Removal/replacement
  233. Camshaft install bolt pattern
  234. instaling water pump pulley
  235. Source/Recommendations for Rebuilt Northstar Engines?
  236. Stumble at hot idle, stalling
  237. detonation-preignition
  238. 95 Eldorado has SLOW starting Issue.
  239. Problem after 99 STS Headbolt stripped and repaired
  240. Guide Pin / Alignment Pin Removal The Easy Way
  241. My Northstar is running...
  242. 94 Concours intermittant no start
  243. Unique engine swap, need help deciding which N*
  244. Having a lil trouble holding 4th
  245. 2003 Northstar into a 2001 Deville
  246. TCC Solenoid - Please Help!!
  247. Where did the MPG go?
  248. Intake manifold
  249. 01 SLS Problems
  250. Anyone ever do a headgasket in the car?