: Northstar Engines and System Technical Discussion



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  1. 1994 cadillac sts coolant loss
  2. What size of Time-Sert I have to buy ?
  3. 96 Eldo ETC I found the ABS computer cover...how do I get in it?? Do I force it?
  4. 96 Eldo engine sputters and stalls. P0300 and P1380 Engine Misfire.
  5. 01 STS Water pump grumbling noise
  6. Replacement Engine
  7. Coolant loss?
  8. what is the difference between the concourse and regular?
  9. '97 DeVille SES but no current codes?
  10. 95 sts hard shifting/chugging trans?
  11. combustion gas test turned yellow
  12. Northstar Died? no vacuum, no compression on cyl 6.
  13. Myrtle Beach Repair Shop
  14. High oil pressure
  15. Transmission help
  16. P0621
  17. 96 Seville AC system
  18. air box
  19. Engine almost stalls
  20. Help needed before I break something...
  21. Lean Cruise Tune
  22. 95 seville died and wont start
  23. would bad hg's cause the lower radiator hose not to get warm??
  24. Help..Which is #2 cylinder and other question
  25. cam sensor trigger
  26. getting p0741 code please help!!
  27. need help
  28. anyone know what this writing can mean?
  29. Primary timing chain sprocket wear?
  30. Still no short run power
  31. 96 concours crank prob
  32. On Vacation, just a bit of fun street racing....
  33. What is Normal Valve Train Noise?
  34. Fpr
  35. Need urgent help with spark plug wires
  36. PCM codes P0138 and P1139
  37. could this be a hg issue?
  38. barely running Northstar
  39. slightly overheating and coolant leak
  40. Help with TCC replacement parts list
  41. radiator fans not cutting on
  42. saying goodbye
  43. Transmission problems after HG fixed!!!
  44. 1996 STS Engine seized again what could be wrong?
  45. is there supposed to be something in the bottom radiator hoes?
  46. Bad head gasket without any symptoms???
  47. Crank Pulley removal/install
  48. how to check if the headgasket is in good shape before buying?
  49. newb question about tune-ups
  50. 1999 DeVille Coolant leak
  51. Coolant C/O Question
  52. HP rating from a sticker
  53. shelby northstar
  54. Wierd shaped bolt holding in IAC
  55. Check out my Headgasket Job in the car!!!!
  56. Crossover Manifold, Pipe Gasket Part Number
  57. Intake Manifold Cracked at Bolt Heads
  58. For all of us with the fluxuating speedometer / intermittent cruise control
  59. Transmission Strengths/Weaknesses
  60. looking for head gasket repair in tx
  61. Different Headgasket Question
  62. What is the difference between VIN 9 and VIN Y 4.6L Northstars ?
  63. I need to find someone closer than Canada to do my headgaskets !!
  64. Sold one of my '97 to my best friend, now it won't start
  65. 2001 STS vac leak at intake
  66. Overheats less in 3
  67. TERRIBLE Gas mileage "help"
  68. damm am i hard headed...over heating still
  69. still overheating need help...
  70. Found Coolant in the Valley. What could it be???
  71. Difficulty level on swapping a N* 4.6?
  72. Help with engine removal for STS
  73. Can 97 N* lifters be disassembled?
  74. front motor mount
  75. A/C delete pulley
  76. coolant leak
  77. Overpressurize relief valve boot
  78. 97 deville blown head gasket question
  79. The best preventative maintenance for my 97 N*?
  80. Service Stability System
  81. duramax1980
  82. 98 NS Brackets
  83. Intake Manifold Removal, '97 SLS
  84. Northstar Bracket
  85. my 1st post transmission problems i think
  86. Priming the oil pump on a northstar engine
  87. 2000 STS, N*interchangibility?
  88. Trying to find Intake Manifold Spacer
  89. PCM wiring without a complete car harness
  90. 99 ETC Weak hot restart?
  91. deville 2000 HG ???
  92. DHS would stall upon starting... would not idle
  93. Why Check the Oil When Hot?
  94. very little coolant circulation...i hope its not a head gasket
  95. '99 STS Oil Smell?
  96. why didnt gm recall northstar engines for head gasket?
  97. Any good Northstar Mechanics in SoCal
  98. radiator drain valve
  99. New Studs to incorporate alignment pins
  100. 1997 Power Steering Pump Questions
  101. 2000 N* Head Gasket probability
  102. 00' STS N* Conversion ???
  103. 99 Deville/Headgasket Issue
  104. Misfire PC0300 Code
  105. Code P0741...Really confused.....Need help!!!
  106. Finally tore the motor apart
  107. 1997 sts stalled, Won't start
  108. HARD loud knock @ acceleration. help
  109. 93 Northstar Dies randomly. HELP!
  110. 95 SLS throttle body vacuum plug
  111. 2006 DTS engine issue
  112. 97 northstar balancer removal
  113. Advice on Northstar Transmission???
  114. oil in the antifreeze & overheating
  115. HG blown 375 days after a $3500 repair
  116. Northstar Coil Bank
  117. Engine wiring harness removal
  118. 97 seville sls coolant loss
  119. 98 deville engine question
  120. STS Blowing Out Oil But From WHERE?????
  121. '93 STS Oil cooler
  122. What kind of seal installer to use?
  123. Northstar head gasket replacement with warranty, Louisville KY - 1500 + parts
  124. how easy is changing the thermostat yourself
  125. Low speed stall
  126. Coolant Issue "00 STS"
  127. failed state inspection because of p0507
  128. Alternator questions....
  129. Bars Leaks Liquid Copper?
  130. which of these codes will cause my service engine light to be on?
  131. 97 Deville oil pan leak
  132. Please Help with long cranking time
  133. high idle
  134. Aftermarket Intake for '99 DeVille base model
  135. 02 Deville rough idle & codes
  136. 1998 Eldorado Head Gasket - 2nd time in 375-days
  137. Started to hear an intermittent grinding noise
  138. $788 To fix P0410 Code
  139. Car Stalled, won't restart
  140. Smell Coolant after Driving??
  141. 1994 STS quit in driveway, seems battery went dead.
  142. 2000 seville sts misfire
  143. Idle Air Control Valve (IAC)
  144. 94 sts intake cover gasket
  145. HG Budget for 97 STS
  146. Help.. 2000 dts tranny blown
  147. 1999 Seville SLS hard start P1350/P1375
  148. Crap!!! Coolant leak! what do I do!?!?!?
  149. 97 Northstar Oil leak
  150. 94 Eldorado Idle problem
  151. Best service manual (rebuilding)
  152. low oil pressure indictator
  153. Any idea what I should pay to get the evap solenoid replaced ?
  154. Thinking of rebuilding motor... questions..
  155. 2001 Deville getting hot
  156. Oil pressure
  157. Cooling system tablets after HG job
  158. HG Jobs for all, anywhere in Canada or USA in my new shop
  159. where to get headgasket job done?
  160. Northstar Engine Gets Gummy?
  161. STS low power
  162. Northstar engine miss
  163. 2002 Deville P3008 code
  164. Real Performance Parts for the L37
  165. HELP outta town with tranny issues
  166. Cooling fans and hard driving- temp spikes
  167. Convert 98 SLS motor into STS motor?
  168. NO Codes but stalls...
  169. Stand-alone Northstar engine/trans for swap
  170. 4T80E solenoid shift replacement
  171. N* Swap with Factory ECM and avoiding DTC's
  172. Vin lookup for engine history
  173. 1999 STS Traction Control off......Unable to turn it on.
  174. 98 deville no fan / tech 2 commanded fan on
  175. 1999 Cadillac Seville OVERHEATING :(
  176. Any differences in an Export N* Engine and a Domestic One?
  177. To much Antifreez
  178. Synthetic or Regular Oil in 08 Escalade ESV?
  179. Stalling when wet
  180. 1998 STS : Code v
  181. 02 Deville plenum question
  182. MSD Timing Controller - Question for AJ
  183. Cranshaft Main Bolts
  184. Rear Main Seal Install
  185. Where to find coolant test?
  186. Can I put a 2001 Northstar in a 1997 Eldorado?
  187. Major coolant leak
  188. I think i'm ready
  189. what to look for buying a used northstar powered car
  190. Happy ending to overheating problem
  191. 2000 sts
  192. Fully Polished Aluminum Strut Tower Brace for 98+Seville and 00+ Deville
  193. o2 sensor thread repair
  194. Bypass AC pump 94 Eldorado
  195. Northstar oil leak, main bolts
  196. 1993 Eldorado Northstar running rough
  197. Limp Mode?
  198. STS N* Rough Idle/Miss at Startup
  199. northstar aurora alternator
  200. Swap 4.9l v8 and 4.6l v8 northstar
  201. '99 STS stuck water water pump
  202. Water pump drive pulley
  203. heater on bench 1?
  204. Hello all
  205. wide engine temp swing
  206. Oil pan gasket
  207. I allmost died in my sts !!!!!, P065 drives itself
  208. 1993 seville STS
  209. cooling fan electrical diagram
  210. Fuel Injectors Revisited
  211. head gasket replacement in louisville kentucky area
  212. Cam Replacement in Car
  213. Northstar block #'s info needed on a used engine.
  214. oil filter for northstar
  215. 2000 sls overheating
  216. SLS overheating help? please?
  217. testing for bad HG
  218. 94 STS Coolant leak between block and flywheel
  219. Valve cover gaskets
  220. Hitting rev limiter in idle after startup
  221. Bad news Very Bad news
  222. EGR symptoms
  223. fuel pumps
  224. manifold pressure sensor or mat sensor
  225. Transaxle interchange
  226. TSB for Oil Consumption
  227. N*** PCM hacking Help
  228. Increasing fuel efficiency
  229. 94 Eldorado 4.6 High Idle
  230. photo shop help
  231. high engine rpm at start up
  232. Is it possible to have digital temperature display on 2002 deville ?
  233. 99 STS metallic ticking noise from valve area
  234. Bonneville GXP 1/4 mile times
  235. Time Serts, Norm's, SureGrip Stud Kit??????
  236. p080
  237. 2004 Deville 275hp... a good buy?
  238. I would like to 'update' the Performance Parts Mega-Post
  239. Questions for Ranger and Submariner409
  240. Cleaning Engine what do i cover?
  241. Any Ideas? No codes, backfire, sputter & parking brake get stuck
  242. dropping cradle: what would you replace preemptively
  243. HG and Timesert in car
  244. 1993 Cadillac Seville STS 4.6l engine bog
  245. Shoud i replace input speed sensor on 2002 deville 140k
  246. Go with studs and get warranty on a DIY HG job
  247. 2002 deville HEAD JOB and MORE --PLEASE HELP
  248. Help. 99 sts dash clicking?
  249. The ever present "miss"
  250. new engine ...?