: Northstar Engines and System Technical Discussion



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  1. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  2. Coolant Reservoir Overflow Line
  3. N* Upper to Lower block half sealing procedure.
  4. To re-seal or not?
  5. How do you SAFELY clean the valve covers?
  6. 98 ETC Head Gasket project started today...
  7. 2002 Eldorado ETC Head Gasket Project
  8. 97 N* Crank Pulley / Oil Pump Torque setting
  9. WP cam price
  10. 2001 Deville VIN Y - head gasket repair on Long Island ?
  11. Anyone want to compare MAF readings?
  12. Wheres Jake? We need studs and engines !!!
  13. serp belt
  14. Question about the Northstar PCM
  15. 96 Sedan De Ville V8 Northstar Over Heating
  16. po 300, po 507 need help asap!!
  17. 1997 STS N* connecting rod stamped number
  18. Is there an on-line breakdown of N* engine parts with GM part numbers?
  19. Torque specs on fasteners - torque angle?
  20. Northstar headbolt spacing/ pattern
  21. 95 eldorado 8th letter of vin is y
  22. Recently purchaced 2003 Cadillac Dev
  23. engine swap for a 2000 dts to a 2003 devell can it work i
  24. Jake, I REALLY, REALLY want to give you some money!
  25. Saga of a naive Head Gasket repair
  26. Cracked block!!!!
  27. What causes a headgasket failure?
  28. Spark advance/knock - What is tolerance?
  29. Towing with 02 Deville
  30. Northstar Temp sensor & Lock up converter ?'s
  31. P119 and p080
  32. Another (slightly different) Northstar oil consumption question.....
  33. holley injector harness
  34. Northstar oil pump failure
  35. 4.6 Rod Clearance
  36. Determining Headbolt Thread Pitch
  37. Thank You
  38. Scratched Wall
  39. 4T80E Electronically controlled torque converter clutch
  40. Do The 2006 and newer DTS Northstars have the same headgasket issues?
  41. Feels like a miss?
  42. Need some advice for Northstar car purchase...
  43. need help with rough running northstsar
  44. '03 DeVille - Slight shudder under initial acceleration
  45. how can i check if head gasket leaks
  46. 1994 Deville Concours Ignition Control Module Replacement
  47. Get it while you can..........
  48. Backfiring issues
  49. Rear main seal install tool confusion
  50. surges/sputters while driving, but idles perfectly fine?
  51. Code P041 and Code P025 in 1994 Deville Concours
  52. Northstar 4.6 Overheating
  53. Differences of studs vs. Timeserts
  54. 94 deville concours northstar catalytic converter redhot and stalls
  55. dipstick level, which side to believe?
  56. 2002 Eldorado coolant flush what kind?
  57. Heated Seat Issue..Please Help!
  58. Running on 4 Cylinders..not in Overheat mode
  59. 2002 Deville, White Smoke when Ideling
  60. 1999 Deville w/ Northstar coolant issue
  61. Another 2000+ head gasket failure
  62. 01 Deville DHS N* Repair in DFW Metroplex
  63. SureGrip stud kit / jig combo allignment?
  64. How hard to try to pull the head bolts on Northstar?
  65. How do I pull the airbox in my Eldo?
  66. 2000 Deville Crank Sensor Problems.. Please help if you can..
  67. ethanol or not
  68. Areas to look at while doing a HG repair
  69. PCM/EBTCM Pin Diagram, 2001 SLS
  70. Jake, wish you best of Luck !!
  71. What wire for the Speedo?
  72. Time sert kit kit # 500
  73. Torque Converter Whine
  74. PCM and engine switching
  75. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  76. timeserts
  77. Northstar removal
  78. Blocks, cracks and heat
  79. Please help: 1996 deville hard starting ?
  80. 2000 Deville using oil
  81. 2003 Deville engine start problem
  82. What exactly is a "base model" Deville ?
  83. need to replace flywheel
  84. Service engine light
  85. Possible to run northstar on an engine stand or outside of the car?
  86. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  87. A few codes to clear up (02 Deville)
  88. Northstar Camshaft Wear - Common? Cause?
  89. My 98 Deville N* HG repair adventure !!
  90. northstar engine several issues--need major help
  91. Water pump removal
  92. Northstar coolant leak
  93. More Northstar repair services......ENJOY
  94. Shell Rimula R6 ME 5W30
  95. Camshaft pulley removal
  96. P0300 Code goes off at high rpm.
  97. Turbo'ed 98-04 STS N*
  98. 99' cadillac head gasket problems
  99. Fuel Injector resistance 1994 Northstar motor
  100. Northstar Main Studs-
  101. $575 99 Seville project Car overheating
  102. My Little Northstar engine Project
  103. Trans question p0748 after trans repaired by rebuilder
  104. 1994 Deville Concours PCM Replacement
  105. 94 Deville Concours PCM Codes P041 and P119
  106. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  107. prospective owner with HG question
  108. tcc solenoid need help asap
  109. egr blockoff
  110. 01 eldorado ESC "hard" starting and once wouldn't start
  111. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  112. Direct Injection - Technology Question
  113. Bought the '97 etc replacement
  114. Advice from some repair guys on cleaning processes
  115. 94 STS head gasket question
  116. Doesn't seem to be the head gasket but still overheats
  117. Looking for HG Repair Shop in Southeast US
  118. evap solonoid
  119. Ebay: Brand new Vortech Supercharged Aurora 4.0 engine
  120. 1995 elder northstar cooling
  121. how to change camshaft position sensor on 1997 sts
  122. Not happy with Federal Mogul's quality levels anymore. Specifically Fel-Pro.
  123. 1994 SLS Northstar running rich and stalling
  124. Front seal is leaking
  125. Thorttle body problem and code p2135
  126. Ignition drop-outs
  127. L37, ld8, l47 & lx5
  128. My 98 Deville with straight pipes... what do you guys think?
  129. hg repairs
  130. Wierd Temperature spikes 02 deville
  131. There was a thread or sticky that was all about engine oild and dino or conventional
  132. Oil pump prime
  133. Motor Mount project
  134. Hello Everyone, I need help with getting an engine......
  135. P0304 Misfire cylinder 4
  136. N* picky about motor oil?
  137. Timing chain seems loose on a 4.6L Deville.
  138. 99 deville fans just stop both of them
  139. Replacing a TPS in a 99 Deville?
  140. 2000 Deville Idle Relearn
  141. Polishing Cam lobes?
  142. Northstar Tuneup
  143. Felpro intake manifold gaskets
  144. PCM Codes P0171 and P0174
  145. 100 Cadillac head gasket repairs completed
  146. NorthStar Engine Block Crack Have you had one What year and how did it crack
  147. 4.6 N* Crank shaft / oil pump question
  148. hard starting 1997 sts
  149. air in coolant system?
  150. more electrical gremlins
  151. No fuel pressure
  152. Photos of the CNC turning center-
  153. 98 STS White smoke on accelation
  154. Should I have my brand new, never fired 4.0 long-block studded?
  155. Found my coolant leak
  156. Oil pump seal/oring
  157. Looking for a SPECIFIC N* Removal Guide
  158. Remote start and push button ignition
  159. Consequences of driving with failed HG
  160. How to space piston rings
  161. Cam journal caps broke
  162. Should I replace PCM? Need 2nd & 3rd opinions
  163. New owner of 1997 Eldorado, many questions
  164. N* To pull or not to pull, A/C is the question.
  165. 2002 Deville; Installing Vin Y Engine Into Vin 9 Car
  166. Northstar PCM Tuning
  167. Cross over gaskets ?
  168. Smells like exhaust in antifreeze again............... ?
  169. Disabling air injection system in 2002 engine?
  170. Couple of problems with my 94 Seville.
  171. 1994 cadillac seville Spark plug change
  172. Bad head gaskets or user error?
  173. northstar pre-trip opinion
  174. Source for engine internal parts?
  175. First post: Anyone know if the RWD and AWD wire harnesses are the same for 04-05 STS?
  176. If Engine has been Studed can you Remove the heads and put the heads back with in car
  177. So where is my oil level sensor?
  178. Curious. . .crankshaft position sensors, are they reversable?
  179. Bad mileage
  180. Taking Pre-Orders for bottom end stud kits-
  181. Any good Northstar shops near Maryland?
  182. Have code P071 & P046
  183. Cost of DIY Headgaskets/studs?
  184. Ceramic coated exhaust manifolds?
  185. What is the timeline for Head Gasket failure
  186. Where are the parts for this build?
  187. MAF Housing R&R
  188. ticking tapping noise in engine video attached
  189. Interesting find........
  190. proper torque-to-yield on 99 sts
  191. Northstar 4.6 bottom end
  192. 1996 ETC Code nightmares p13
  193. 2000 STS Half-case seal gasket P/N
  194. Looks like an early factory "new" create engine
  195. Northstar Shake
  196. 5/16 course Head Bolts?
  197. Time sert removal
  198. tcc solenoid
  199. Just got exhaust work done and now I'm getting some codes... Advice? 2002 DTS
  200. Question regarding slight motor mount/tranny thump
  201. 85 Northstar head gasket jobs completed 85 Cadillacs saved!
  202. Looking for a shop in GA that uses Studs for HG repair
  203. Help with Tune Up Northstar 4.6
  204. Disassembling my first N*
  205. bad ground the route of all evil ??
  206. Mysterious loss of coolant / 7000 miles without a problem since new studs & gaskets..
  207. Engine swap question
  208. New Guy to Northstar and their General Maintaince
  209. Torque Converter Shaft
  210. Painting engine cover and valve cover/s
  211. 1996 Cadillac Seville SLS - Replacing water pump belt HELP!
  212. Still getting Missfire-New AC Delco Plugs and new coil packs
  213. Removing exhaust down pipe on 99 Seville
  214. 94 Cadillac Seville SLS flooding out real bad
  215. New Member engine overheating problem...
  216. Oil Pressure...
  217. Pretty sure I have a fuel leak somewhere under the hood
  218. Engine Coolant Temperature Gauges / Cooling Fans Operation Explained
  219. Oil, cams, Northstars, and ZDDP
  220. New member, 1st caddy- low coolant level warning
  221. 2000 SLS engine oddity
  222. 4.0 rebuild
  223. Northstar swap transmission please help
  224. Best method of cleaning
  225. Crank Bolt Removal and free block/tranny
  226. Time Sert Kit Needed.
  227. Iím not Convinced it the Head Gaskets again?
  228. Code question?
  229. Out the top! First time....
  230. cam swap to 4.0l
  231. Timesert Failure
  232. Looking for a GOOD shop in/near MASS for engine install.
  233. HG For Me Too!
  234. Northstar A/C
  235. ECU TROUBLE! IMPORTANT! How to fix or replace cut wires to ecu?
  236. Northstar in a 65 Corsa
  237. crank position sensor relearn
  238. I really need help OBD TROUBLE CODES 96 STS
  239. 2007 DTS Engine noise at start up help
  240. 02 Northstar in 99 sys basically complete
  241. Other Northstar Vehicles (LD8)
  242. Noticeable drop in power in warm weather
  243. norms insert alignment kit for sale
  244. 99 STS stumbles, P1370a, P1371a, P1377a codes; At wits end with this car
  245. 2000 cadillac sts completely stumped, tried everything and new to fourm.
  246. 2006 DTS Intermittent Leakage Causing Battery to go Dead Overnight
  247. new guy with 99 eldorado etc
  248. Anyone need a Stud Kit?
  249. Question about stud kit install?
  250. Timing question