: Northstar Engines and System Technical Discussion



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