: Northstar Engines and System Technical Discussion



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