: Northstar Engines and System Technical Discussion



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  1. What happened? Stored 1996 Deville engine knock
  2. Northstar head gasket repair
  3. WOT problem and P0300 - 2000 Eldorado
  4. Marks Turbocharged 99 STS
  5. water pump leak after replacing pump/seal
  6. Missing shield in cam cover?
  7. tight northstar cam chain
  8. front motor mounts
  9. northstar studs
  10. 2000 Deville - high pitched whistle
  11. 99 Deville HG job 4-2012
  12. I have a set of studs available if someone needs them thanks to my previous thread
  13. DIY Northstar Head Gasket / Crankcase Leak Repair
  14. 1997 Seville temperature problems
  15. Don't Wait More Than 120 days
  16. How to tell if head gaskets have been done before?
  17. Need top compression ring 98 N*....ugghhh
  18. 18mm Northstar Crankbolt needed
  19. 98 Eldorado replacing Engine Torque Mounts
  20. Troubleshooting help
  21. New Northstar Crate Engine
  22. Valve stem seal tool?
  23. Code P070 with stalling and surging-TPS or ISC?
  24. Huge thanks to Joe at Midwest Cadillac Repair
  25. Factory air intake question
  26. Bent pushrod - valvetrain noise ?
  27. '01 DTS Misfire.
  28. Thread size for Jake's studs?
  29. Drive Train Hum & No Overdrive
  30. Towing in third gear
  31. 2004 Deville PCM
  32. 01 Deville OverHeating Issue
  33. Please help diagnose my cooling system problem
  34. Overheating
  35. Is there an alternate way to lock the flywheel?
  36. northstar stud kit
  37. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  38. Coolant Reservoir Overflow Line
  39. N* Upper to Lower block half sealing procedure.
  40. To re-seal or not?
  41. How do you SAFELY clean the valve covers?
  42. 98 ETC Head Gasket project started today...
  43. 2002 Eldorado ETC Head Gasket Project
  44. 97 N* Crank Pulley / Oil Pump Torque setting
  45. WP cam price
  46. 2001 Deville VIN Y - head gasket repair on Long Island ?
  47. Anyone want to compare MAF readings?
  48. Wheres Jake? We need studs and engines !!!
  49. serp belt
  50. Question about the Northstar PCM
  51. 96 Sedan De Ville V8 Northstar Over Heating
  52. po 300, po 507 need help asap!!
  53. 1997 STS N* connecting rod stamped number
  54. Is there an on-line breakdown of N* engine parts with GM part numbers?
  55. Torque specs on fasteners - torque angle?
  56. Northstar headbolt spacing/ pattern
  57. 95 eldorado 8th letter of vin is y
  58. Recently purchaced 2003 Cadillac Dev
  59. engine swap for a 2000 dts to a 2003 devell can it work i
  60. Jake, I REALLY, REALLY want to give you some money!
  61. Saga of a naive Head Gasket repair
  62. Cracked block!!!!
  63. What causes a headgasket failure?
  64. Spark advance/knock - What is tolerance?
  65. Towing with 02 Deville
  66. Northstar Temp sensor & Lock up converter ?'s
  67. P119 and p080
  68. Another (slightly different) Northstar oil consumption question.....
  69. holley injector harness
  70. Northstar oil pump failure
  71. 4.6 Rod Clearance
  72. Thank You
  73. Scratched Wall
  74. 4T80E Electronically controlled torque converter clutch
  75. Do The 2006 and newer DTS Northstars have the same headgasket issues?
  76. Feels like a miss?
  77. Need some advice for Northstar car purchase...
  78. need help with rough running northstsar
  79. '03 DeVille - Slight shudder under initial acceleration
  80. how can i check if head gasket leaks
  81. 1994 Deville Concours Ignition Control Module Replacement
  82. Get it while you can..........
  83. Backfiring issues
  84. Rear main seal install tool confusion
  85. surges/sputters while driving, but idles perfectly fine?
  86. Code P041 and Code P025 in 1994 Deville Concours
  87. Northstar 4.6 Overheating
  88. Differences of studs vs. Timeserts
  89. 94 deville concours northstar catalytic converter redhot and stalls
  90. dipstick level, which side to believe?
  91. 2002 Eldorado coolant flush what kind?
  92. Heated Seat Issue..Please Help!
  93. Running on 4 Cylinders..not in Overheat mode
  94. 2002 Deville, White Smoke when Ideling
  95. 1999 Deville w/ Northstar coolant issue
  96. Another 2000+ head gasket failure
  97. 01 Deville DHS N* Repair in DFW Metroplex
  98. SureGrip stud kit / jig combo allignment?
  99. How hard to try to pull the head bolts on Northstar?
  100. How do I pull the airbox in my Eldo?
  101. 2000 Deville Crank Sensor Problems.. Please help if you can..
  102. ethanol or not
  103. Areas to look at while doing a HG repair
  104. PCM/EBTCM Pin Diagram, 2001 SLS
  105. Jake, wish you best of Luck !!
  106. What wire for the Speedo?
  107. Time sert kit kit # 500
  108. Torque Converter Whine
  109. PCM and engine switching
  110. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  111. timeserts
  112. Northstar removal
  113. Blocks, cracks and heat
  114. Please help: 1996 deville hard starting ?
  115. 2000 Deville using oil
  116. 2003 Deville engine start problem
  117. What exactly is a "base model" Deville ?
  118. need to replace flywheel
  119. Service engine light
  120. Possible to run northstar on an engine stand or outside of the car?
  121. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  122. A few codes to clear up (02 Deville)
  123. Northstar Camshaft Wear - Common? Cause?
  124. My 98 Deville N* HG repair adventure !!
  125. northstar engine several issues--need major help
  126. Water pump removal
  127. Northstar coolant leak
  128. More Northstar repair services......ENJOY
  129. Shell Rimula R6 ME 5W30
  130. Camshaft pulley removal
  131. P0300 Code goes off at high rpm.
  132. Turbo'ed 98-04 STS N*
  133. 99' cadillac head gasket problems
  134. Fuel Injector resistance 1994 Northstar motor
  135. Northstar Main Studs-
  136. $575 99 Seville project Car overheating
  137. My Little Northstar engine Project
  138. Trans question p0748 after trans repaired by rebuilder
  139. 1994 Deville Concours PCM Replacement
  140. 94 Deville Concours PCM Codes P041 and P119
  141. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  142. prospective owner with HG question
  143. tcc solenoid need help asap
  144. egr blockoff
  145. 01 eldorado ESC "hard" starting and once wouldn't start
  146. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  147. Direct Injection - Technology Question
  148. Bought the '97 etc replacement
  149. Advice from some repair guys on cleaning processes
  150. 94 STS head gasket question
  151. Doesn't seem to be the head gasket but still overheats
  152. Looking for HG Repair Shop in Southeast US
  153. evap solonoid
  154. Ebay: Brand new Vortech Supercharged Aurora 4.0 engine
  155. 1995 elder northstar cooling
  156. how to change camshaft position sensor on 1997 sts
  157. Not happy with Federal Mogul's quality levels anymore. Specifically Fel-Pro.
  158. 1994 SLS Northstar running rich and stalling
  159. Front seal is leaking
  160. Thorttle body problem and code p2135
  161. Ignition drop-outs
  162. L37, ld8, l47 & lx5
  163. My 98 Deville with straight pipes... what do you guys think?
  164. hg repairs
  165. Wierd Temperature spikes 02 deville
  166. There was a thread or sticky that was all about engine oild and dino or conventional
  167. Oil pump prime
  168. Motor Mount project
  169. Hello Everyone, I need help with getting an engine......
  170. P0304 Misfire cylinder 4
  171. N* picky about motor oil?
  172. Timing chain seems loose on a 4.6L Deville.
  173. 99 deville fans just stop both of them
  174. Replacing a TPS in a 99 Deville?
  175. 2000 Deville Idle Relearn
  176. Polishing Cam lobes?
  177. Northstar Tuneup
  178. Felpro intake manifold gaskets
  179. PCM Codes P0171 and P0174
  180. 100 Cadillac head gasket repairs completed
  181. NorthStar Engine Block Crack Have you had one What year and how did it crack
  182. 4.6 N* Crank shaft / oil pump question
  183. hard starting 1997 sts
  184. air in coolant system?
  185. more electrical gremlins
  186. No fuel pressure
  187. Photos of the CNC turning center-
  188. 98 STS White smoke on accelation
  189. Should I have my brand new, never fired 4.0 long-block studded?
  190. Found my coolant leak
  191. Oil pump seal/oring
  192. Looking for a SPECIFIC N* Removal Guide
  193. Remote start and push button ignition
  194. Consequences of driving with failed HG
  195. How to space piston rings
  196. Cam journal caps broke
  197. Should I replace PCM? Need 2nd & 3rd opinions
  198. New owner of 1997 Eldorado, many questions
  199. N* To pull or not to pull, A/C is the question.
  200. 2002 Deville; Installing Vin Y Engine Into Vin 9 Car
  201. Northstar PCM Tuning
  202. Cross over gaskets ?
  203. Smells like exhaust in antifreeze again............... ?
  204. Disabling air injection system in 2002 engine?
  205. Couple of problems with my 94 Seville.
  206. 1994 cadillac seville Spark plug change
  207. Bad head gaskets or user error?
  208. northstar pre-trip opinion
  209. Source for engine internal parts?
  210. First post: Anyone know if the RWD and AWD wire harnesses are the same for 04-05 STS?
  211. If Engine has been Studed can you Remove the heads and put the heads back with in car
  212. So where is my oil level sensor?
  213. Curious. . .crankshaft position sensors, are they reversable?
  214. Bad mileage
  215. Taking Pre-Orders for bottom end stud kits-
  216. Any good Northstar shops near Maryland?
  217. Have code P071 & P046
  218. Cost of DIY Headgaskets/studs?
  219. Ceramic coated exhaust manifolds?
  220. What is the timeline for Head Gasket failure
  221. Where are the parts for this build?
  222. MAF Housing R&R
  223. ticking tapping noise in engine video attached
  224. Interesting find........
  225. proper torque-to-yield on 99 sts
  226. Northstar 4.6 bottom end
  227. 1996 ETC Code nightmares p13
  228. 2000 STS Half-case seal gasket P/N
  229. Looks like an early factory "new" create engine
  230. Northstar Shake
  231. 5/16 course Head Bolts?
  232. Time sert removal
  233. tcc solenoid
  234. Just got exhaust work done and now I'm getting some codes... Advice? 2002 DTS
  235. Question regarding slight motor mount/tranny thump
  236. 85 Northstar head gasket jobs completed 85 Cadillacs saved!
  237. Looking for a shop in GA that uses Studs for HG repair
  238. Help with Tune Up Northstar 4.6
  239. Disassembling my first N*
  240. bad ground the route of all evil ??
  241. Mysterious loss of coolant / 7000 miles without a problem since new studs & gaskets..
  242. Engine swap question
  243. New Guy to Northstar and their General Maintaince
  244. Torque Converter Shaft
  245. Painting engine cover and valve cover/s
  246. 1996 Cadillac Seville SLS - Replacing water pump belt HELP!
  247. Still getting Missfire-New AC Delco Plugs and new coil packs
  248. Removing exhaust down pipe on 99 Seville
  249. 94 Cadillac Seville SLS flooding out real bad
  250. New Member engine overheating problem...