: Northstar Engines and System Technical Discussion



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  1. New Northstar Crate Engine
  2. Valve stem seal tool?
  3. Code P070 with stalling and surging-TPS or ISC?
  4. Huge thanks to Joe at Midwest Cadillac Repair
  5. Factory air intake question
  6. Bent pushrod - valvetrain noise ?
  7. '01 DTS Misfire.
  8. Thread size for Jake's studs?
  9. Drive Train Hum & No Overdrive
  10. Towing in third gear
  11. 2004 Deville PCM
  12. 01 Deville OverHeating Issue
  13. Please help diagnose my cooling system problem
  14. Overheating
  15. Is there an alternate way to lock the flywheel?
  16. northstar stud kit
  17. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  18. Coolant Reservoir Overflow Line
  19. N* Upper to Lower block half sealing procedure.
  20. To re-seal or not?
  21. How do you SAFELY clean the valve covers?
  22. 98 ETC Head Gasket project started today...
  23. 2002 Eldorado ETC Head Gasket Project
  24. 97 N* Crank Pulley / Oil Pump Torque setting
  25. WP cam price
  26. 2001 Deville VIN Y - head gasket repair on Long Island ?
  27. Anyone want to compare MAF readings?
  28. Wheres Jake? We need studs and engines !!!
  29. serp belt
  30. Question about the Northstar PCM
  31. 96 Sedan De Ville V8 Northstar Over Heating
  32. po 300, po 507 need help asap!!
  33. 1997 STS N* connecting rod stamped number
  34. Is there an on-line breakdown of N* engine parts with GM part numbers?
  35. Torque specs on fasteners - torque angle?
  36. Northstar headbolt spacing/ pattern
  37. 95 eldorado 8th letter of vin is y
  38. Recently purchaced 2003 Cadillac Dev
  39. engine swap for a 2000 dts to a 2003 devell can it work i
  40. Jake, I REALLY, REALLY want to give you some money!
  41. Saga of a naive Head Gasket repair
  42. Cracked block!!!!
  43. What causes a headgasket failure?
  44. Spark advance/knock - What is tolerance?
  45. Towing with 02 Deville
  46. Northstar Temp sensor & Lock up converter ?'s
  47. P119 and p080
  48. Another (slightly different) Northstar oil consumption question.....
  49. holley injector harness
  50. Northstar oil pump failure
  51. 4.6 Rod Clearance
  52. Thank You
  53. Scratched Wall
  54. 4T80E Electronically controlled torque converter clutch
  55. Do The 2006 and newer DTS Northstars have the same headgasket issues?
  56. Feels like a miss?
  57. Need some advice for Northstar car purchase...
  58. need help with rough running northstsar
  59. '03 DeVille - Slight shudder under initial acceleration
  60. how can i check if head gasket leaks
  61. 1994 Deville Concours Ignition Control Module Replacement
  62. Get it while you can..........
  63. Backfiring issues
  64. Rear main seal install tool confusion
  65. surges/sputters while driving, but idles perfectly fine?
  66. Code P041 and Code P025 in 1994 Deville Concours
  67. Northstar 4.6 Overheating
  68. Differences of studs vs. Timeserts
  69. 94 deville concours northstar catalytic converter redhot and stalls
  70. dipstick level, which side to believe?
  71. 2002 Eldorado coolant flush what kind?
  72. Heated Seat Issue..Please Help!
  73. Running on 4 Cylinders..not in Overheat mode
  74. 2002 Deville, White Smoke when Ideling
  75. 1999 Deville w/ Northstar coolant issue
  76. Another 2000+ head gasket failure
  77. 01 Deville DHS N* Repair in DFW Metroplex
  78. SureGrip stud kit / jig combo allignment?
  79. How hard to try to pull the head bolts on Northstar?
  80. How do I pull the airbox in my Eldo?
  81. 2000 Deville Crank Sensor Problems.. Please help if you can..
  82. ethanol or not
  83. Areas to look at while doing a HG repair
  84. PCM/EBTCM Pin Diagram, 2001 SLS
  85. Jake, wish you best of Luck !!
  86. What wire for the Speedo?
  87. Time sert kit kit # 500
  88. Torque Converter Whine
  89. PCM and engine switching
  90. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  91. timeserts
  92. Northstar removal
  93. Blocks, cracks and heat
  94. Please help: 1996 deville hard starting ?
  95. 2000 Deville using oil
  96. 2003 Deville engine start problem
  97. What exactly is a "base model" Deville ?
  98. need to replace flywheel
  99. Service engine light
  100. Possible to run northstar on an engine stand or outside of the car?
  101. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  102. A few codes to clear up (02 Deville)
  103. Northstar Camshaft Wear - Common? Cause?
  104. My 98 Deville N* HG repair adventure !!
  105. northstar engine several issues--need major help
  106. Water pump removal
  107. Northstar coolant leak
  108. More Northstar repair services......ENJOY
  109. Shell Rimula R6 ME 5W30
  110. Camshaft pulley removal
  111. P0300 Code goes off at high rpm.
  112. Turbo'ed 98-04 STS N*
  113. 99' cadillac head gasket problems
  114. Fuel Injector resistance 1994 Northstar motor
  115. Northstar Main Studs-
  116. $575 99 Seville project Car overheating
  117. My Little Northstar engine Project
  118. Trans question p0748 after trans repaired by rebuilder
  119. 1994 Deville Concours PCM Replacement
  120. 94 Deville Concours PCM Codes P041 and P119
  121. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  122. prospective owner with HG question
  123. tcc solenoid need help asap
  124. egr blockoff
  125. 01 eldorado ESC "hard" starting and once wouldn't start
  126. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  127. Direct Injection - Technology Question
  128. Bought the '97 etc replacement
  129. Advice from some repair guys on cleaning processes
  130. 94 STS head gasket question
  131. Doesn't seem to be the head gasket but still overheats
  132. Looking for HG Repair Shop in Southeast US
  133. evap solonoid
  134. Ebay: Brand new Vortech Supercharged Aurora 4.0 engine
  135. 1995 elder northstar cooling
  136. how to change camshaft position sensor on 1997 sts
  137. Not happy with Federal Mogul's quality levels anymore. Specifically Fel-Pro.
  138. 1994 SLS Northstar running rich and stalling
  139. Front seal is leaking
  140. Thorttle body problem and code p2135
  141. Ignition drop-outs
  142. L37, ld8, l47 & lx5
  143. My 98 Deville with straight pipes... what do you guys think?
  144. hg repairs
  145. Wierd Temperature spikes 02 deville
  146. There was a thread or sticky that was all about engine oild and dino or conventional
  147. Oil pump prime
  148. Motor Mount project
  149. Hello Everyone, I need help with getting an engine......
  150. P0304 Misfire cylinder 4
  151. N* picky about motor oil?
  152. Timing chain seems loose on a 4.6L Deville.
  153. 99 deville fans just stop both of them
  154. Replacing a TPS in a 99 Deville?
  155. 2000 Deville Idle Relearn
  156. Polishing Cam lobes?
  157. Northstar Tuneup
  158. Felpro intake manifold gaskets
  159. PCM Codes P0171 and P0174
  160. 100 Cadillac head gasket repairs completed
  161. NorthStar Engine Block Crack Have you had one What year and how did it crack
  162. 4.6 N* Crank shaft / oil pump question
  163. hard starting 1997 sts
  164. air in coolant system?
  165. more electrical gremlins
  166. No fuel pressure
  167. Photos of the CNC turning center-
  168. 98 STS White smoke on accelation
  169. Should I have my brand new, never fired 4.0 long-block studded?
  170. Found my coolant leak
  171. Oil pump seal/oring
  172. Looking for a SPECIFIC N* Removal Guide
  173. Remote start and push button ignition
  174. Consequences of driving with failed HG
  175. How to space piston rings
  176. Cam journal caps broke
  177. Should I replace PCM? Need 2nd & 3rd opinions
  178. New owner of 1997 Eldorado, many questions
  179. N* To pull or not to pull, A/C is the question.
  180. 2002 Deville; Installing Vin Y Engine Into Vin 9 Car
  181. Northstar PCM Tuning
  182. Cross over gaskets ?
  183. Smells like exhaust in antifreeze again............... ?
  184. Disabling air injection system in 2002 engine?
  185. Couple of problems with my 94 Seville.
  186. 1994 cadillac seville Spark plug change
  187. Bad head gaskets or user error?
  188. northstar pre-trip opinion
  189. Source for engine internal parts?
  190. First post: Anyone know if the RWD and AWD wire harnesses are the same for 04-05 STS?
  191. If Engine has been Studed can you Remove the heads and put the heads back with in car
  192. So where is my oil level sensor?
  193. Curious. . .crankshaft position sensors, are they reversable?
  194. Bad mileage
  195. Taking Pre-Orders for bottom end stud kits-
  196. Any good Northstar shops near Maryland?
  197. Have code P071 & P046
  198. Cost of DIY Headgaskets/studs?
  199. Ceramic coated exhaust manifolds?
  200. What is the timeline for Head Gasket failure
  201. Where are the parts for this build?
  202. MAF Housing R&R
  203. ticking tapping noise in engine video attached
  204. Interesting find........
  205. proper torque-to-yield on 99 sts
  206. Northstar 4.6 bottom end
  207. 1996 ETC Code nightmares p13
  208. 2000 STS Half-case seal gasket P/N
  209. Looks like an early factory "new" create engine
  210. Northstar Shake
  211. 5/16 course Head Bolts?
  212. Time sert removal
  213. tcc solenoid
  214. Just got exhaust work done and now I'm getting some codes... Advice? 2002 DTS
  215. Question regarding slight motor mount/tranny thump
  216. 85 Northstar head gasket jobs completed 85 Cadillacs saved!
  217. Looking for a shop in GA that uses Studs for HG repair
  218. Help with Tune Up Northstar 4.6
  219. Disassembling my first N*
  220. bad ground the route of all evil ??
  221. Mysterious loss of coolant / 7000 miles without a problem since new studs & gaskets..
  222. Engine swap question
  223. New Guy to Northstar and their General Maintaince
  224. Torque Converter Shaft
  225. Painting engine cover and valve cover/s
  226. 1996 Cadillac Seville SLS - Replacing water pump belt HELP!
  227. Still getting Missfire-New AC Delco Plugs and new coil packs
  228. Removing exhaust down pipe on 99 Seville
  229. 94 Cadillac Seville SLS flooding out real bad
  230. New Member engine overheating problem...
  231. Oil Pressure...
  232. Pretty sure I have a fuel leak somewhere under the hood
  233. Engine Coolant Temperature Gauges / Cooling Fans Operation Explained
  234. Oil, cams, Northstars, and ZDDP
  235. New member, 1st caddy- low coolant level warning
  236. 2000 SLS engine oddity
  237. 4.0 rebuild
  238. Northstar swap transmission please help
  239. Best method of cleaning
  240. Crank Bolt Removal and free block/tranny
  241. Time Sert Kit Needed.
  242. Iím not Convinced it the Head Gaskets again?
  243. Code question?
  244. Out the top! First time....
  245. cam swap to 4.0l
  246. Timesert Failure
  247. Looking for a GOOD shop in/near MASS for engine install.
  248. HG For Me Too!
  249. Northstar A/C
  250. ECU TROUBLE! IMPORTANT! How to fix or replace cut wires to ecu?