: Northstar Engines and System Technical Discussion



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