: Northstar Engines and System Technical Discussion



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