: Northstar Engines and System Technical Discussion



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  1. Pre-'05 4T80E Torque Converter Upgrade from viscous silicone to '05-later EC3?
  2. Looking for Northstar experts in or around Atlanta, GA
  3. Northstar water pump 2006-2011
  4. STP High mileage oil additive.
  5. Re: 2000+ Northstar Plenum Replacement steps
  6. NO oil war just info on dexos,please
  7. The Stumbling, The Codes and The Solution
  8. Engine knock after rebuild 2005 northstar
  9. 01 STS - Head Gasket - Perm or Temp/Quick Fix Solution
  10. Main Cap Bolt broken in block, UGHH.
  11. location of starter
  12. 1995 STS starter questions and seeking advice
  13. dog bones life span
  14. Engine parts cleaning during overhaul
  15. 2000 STS Northstar coolant problems
  16. Transaxle leaking
  17. Northstar head gasket problem
  18. 2000 Deville Code P0741 & P1860
  19. Motor Mounts
  20. Just bought a 99 Deville - question about the oil
  21. Buyer beware
  22. HOW TO: Change surge tank (and coolant) on a 96 VIN Y DeVille
  23. tapping sound
  24. hard shifting
  25. hard start, hi reving cadillac after storage
  26. oil leak. water pump camshaft
  27. 1998 caddy STS fixed wp pulleys & belt. More issues!!!
  28. Northstar - any thoughts or advice ????
  29. More big props to joe
  30. Plenum Issue??? AIR system issue ???
  31. 1999 Deville PCM codes - can you tune it?
  32. Overheating Northstars and bleeder valves
  33. How do you find tdc on cylinder #1 using timing marks?
  34. Cadillac Deville 2000 plugs and boots
  35. 2000 STS code 9 swapping to 2001 Y code engine
  36. 1996 STS - P1406 DTC with bucking and hesitation
  37. Quick and Dirty 97 Deville HG Job
  38. Check engine light won't go away???
  39. How do I drain ALL the coolant?
  40. High Mileage engine oil question
  41. Northstar Head/Engine removal
  42. A question for the more experienced N* gear-heads on site. Gasket or rings?
  43. Torque Spec for ARP Studs in Northstar
  44. Unusual noises or am I crazy?
  45. Exhaust parts needed
  46. CF chips
  47. Oil percentage - OLM information
  48. False Overheating?
  49. Issues Removing Crank Pulley
  50. Having HG problems and ordered NORTHSTAR PERFORMANCE studs...
  51. help with removing engine from 97 deville
  52. Oil Drain plug seized...can you use an air impact to remove without damage?
  53. 97 Deville Won't Start
  54. 2003 STS Idle/MAF/Coolant temp issues/Driving itself
  55. smokey the bandit!
  56. Engine misfire at certain times of the day - 2003 STS
  57. Can I use regular torque numbers on my cylinder heads?
  58. Concerns with my 1997 Northstar Engine
  59. 99 Deville Concours with cracked block!
  60. heater tube connection leak
  61. How To Remove Heater Core Hoses ? - 1997 Deville
  62. Northstar rev limiter
  63. New Owner 93 Eldorado pic. ? about HG issues in the early Northstars
  64. Is this the worst rusty engine you have seen?
  65. small coolant drip where sensor mounts
  66. Best way to flush cooling system
  67. For those that wish to "plug in & play"....late 90's N* crate engine
  68. 4.0 Northstar Performance Upgrade
  69. Seeking N* help in VA.....
  70. 98 Deville D'Elegance Stays At 222 F
  71. 1998 Eldorado - DexCool mix
  72. Size of hose used to connect heater line tubing
  73. 99DeVille_NrthSt*r's Project Thread
  74. 97 Deville Concours - Rough Starting
  75. Top pullers, I need help with a bolt
  76. 99 DeVille Electrical Harness
  77. Northstar Performance - Cylinder Head Studs. Stock Issues Resolved.
  78. 96 deville crossover gasket
  79. The best sealant for the oil pan gasket
  80. Vacuum Leak after WOT (P0101) - 2003 STS
  81. Does anyone know a good Cadillac mechanic in the NYC area
  82. Great deal on Rear Main Seal installer... but better hurry!
  83. Head Gasket Kit Verification
  84. Is it worth it?
  85. Results of coolant in oil
  86. 2000 Deville shakes at Idle, No DTC's
  87. Engine block cracked - Northstar Performance, where are you ?
  88. Cradle swapping possibilities
  89. Non Production VVT Northstar
  90. Jake Northstar Performance - stud problems
  91. Update on remanufactured Northstar Performance engine. 1 year later
  92. Head Gasket Questions
  93. Another overheating northstar....
  94. Northstar interesting stuff....
  95. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  96. Northstar Water Pump Housing Replacment
  97. my 1995 Cadillac Eldorado Overheating
  98. Seafoam - do you use it?
  99. Another N* Oil Pump question
  100. 2005 DTS Head gasket still a problem?
  101. Gforce performance "chip" ?
  102. SureGrip studded Eldo for sale?!!
  103. I'm relocating,,,,new complaints section....
  104. Remote key fob
  105. oil manifold question
  106. How do you clean ring grooves on pistons?
  107. Video. For those who want to see CNC machining in action.
  108. Plugs - Spark plugs for a Northstar ??
  109. Want To Buy N* stud tool kit
  110. What happened? Stored 1996 Deville engine knock
  111. Northstar head gasket repair
  112. WOT problem and P0300 - 2000 Eldorado
  113. Marks Turbocharged 99 STS
  114. water pump leak after replacing pump/seal
  115. Missing shield in cam cover?
  116. tight northstar cam chain
  117. front motor mounts
  118. northstar studs
  119. 2000 Deville - high pitched whistle
  120. 99 Deville HG job 4-2012
  121. I have a set of studs available if someone needs them thanks to my previous thread
  122. DIY Northstar Head Gasket / Crankcase Leak Repair
  123. 1997 Seville temperature problems
  124. Don't Wait More Than 120 days
  125. How to tell if head gaskets have been done before?
  126. Need top compression ring 98 N*....ugghhh
  127. 18mm Northstar Crankbolt needed
  128. 98 Eldorado replacing Engine Torque Mounts
  129. Troubleshooting help
  130. New Northstar Crate Engine
  131. Valve stem seal tool?
  132. Code P070 with stalling and surging-TPS or ISC?
  133. Huge thanks to Joe at Midwest Cadillac Repair
  134. Factory air intake question
  135. Bent pushrod - valvetrain noise ?
  136. '01 DTS Misfire.
  137. Thread size for Jake's studs?
  138. Drive Train Hum & No Overdrive
  139. Towing in third gear
  140. 2004 Deville PCM
  141. 01 Deville OverHeating Issue
  142. Please help diagnose my cooling system problem
  143. Overheating
  144. Is there an alternate way to lock the flywheel?
  145. northstar stud kit
  146. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  147. Coolant Reservoir Overflow Line
  148. N* Upper to Lower block half sealing procedure.
  149. To re-seal or not?
  150. How do you SAFELY clean the valve covers?
  151. 98 ETC Head Gasket project started today...
  152. 2002 Eldorado ETC Head Gasket Project
  153. 97 N* Crank Pulley / Oil Pump Torque setting
  154. WP cam price
  155. 2001 Deville VIN Y - head gasket repair on Long Island ?
  156. Anyone want to compare MAF readings?
  157. Wheres Jake? We need studs and engines !!!
  158. serp belt
  159. Question about the Northstar PCM
  160. 96 Sedan De Ville V8 Northstar Over Heating
  161. po 300, po 507 need help asap!!
  162. 1997 STS N* connecting rod stamped number
  163. Is there an on-line breakdown of N* engine parts with GM part numbers?
  164. Torque specs on fasteners - torque angle?
  165. Northstar headbolt spacing/ pattern
  166. 95 eldorado 8th letter of vin is y
  167. Recently purchaced 2003 Cadillac Dev
  168. engine swap for a 2000 dts to a 2003 devell can it work i
  169. Jake, I REALLY, REALLY want to give you some money!
  170. Saga of a naive Head Gasket repair
  171. Cracked block!!!!
  172. What causes a headgasket failure?
  173. Spark advance/knock - What is tolerance?
  174. Towing with 02 Deville
  175. Northstar Temp sensor & Lock up converter ?'s
  176. P119 and p080
  177. Another (slightly different) Northstar oil consumption question.....
  178. holley injector harness
  179. Northstar oil pump failure
  180. 4.6 Rod Clearance
  181. Thank You
  182. Scratched Wall
  183. 4T80E Electronically controlled torque converter clutch
  184. Do The 2006 and newer DTS Northstars have the same headgasket issues?
  185. Feels like a miss?
  186. Need some advice for Northstar car purchase...
  187. need help with rough running northstsar
  188. '03 DeVille - Slight shudder under initial acceleration
  189. how can i check if head gasket leaks
  190. 1994 Deville Concours Ignition Control Module Replacement
  191. Get it while you can..........
  192. Backfiring issues
  193. Rear main seal install tool confusion
  194. surges/sputters while driving, but idles perfectly fine?
  195. Code P041 and Code P025 in 1994 Deville Concours
  196. Northstar 4.6 Overheating
  197. Differences of studs vs. Timeserts
  198. 94 deville concours northstar catalytic converter redhot and stalls
  199. dipstick level, which side to believe?
  200. 2002 Eldorado coolant flush what kind?
  201. Heated Seat Issue..Please Help!
  202. Running on 4 Cylinders..not in Overheat mode
  203. 2002 Deville, White Smoke when Ideling
  204. 1999 Deville w/ Northstar coolant issue
  205. Another 2000+ head gasket failure
  206. 01 Deville DHS N* Repair in DFW Metroplex
  207. SureGrip stud kit / jig combo allignment?
  208. How hard to try to pull the head bolts on Northstar?
  209. How do I pull the airbox in my Eldo?
  210. 2000 Deville Crank Sensor Problems.. Please help if you can..
  211. ethanol or not
  212. Areas to look at while doing a HG repair
  213. PCM/EBTCM Pin Diagram, 2001 SLS
  214. Jake, wish you best of Luck !!
  215. What wire for the Speedo?
  216. Time sert kit kit # 500
  217. Torque Converter Whine
  218. PCM and engine switching
  219. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  220. timeserts
  221. Northstar removal
  222. Blocks, cracks and heat
  223. Please help: 1996 deville hard starting ?
  224. 2000 deville using oil HELP !
  225. 2003 Deville engine start problem
  226. What exactly is a "base model" Deville ?
  227. need to replace flywheel
  228. Service engine light
  229. Possible to run northstar on an engine stand or outside of the car?
  230. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  231. A few codes to clear up (02 Deville)
  232. Northstar Camshaft Wear - Common? Cause?
  233. My 98 Deville N* HG repair adventure !!
  234. northstar engine several issues--need major help
  235. Water pump removal
  236. Northstar coolant leak
  237. More Northstar repair services......ENJOY
  238. Shell Rimula R6 ME 5W30
  239. Camshaft pulley removal
  240. P0300 Code goes off at high rpm.
  241. Turbo'ed 98-04 STS N*
  242. 99' cadillac head gasket problems
  243. Fuel Injector resistance 1994 Northstar motor
  244. Northstar Main Studs-
  245. $575 99 Seville project Car overheating
  246. My Little Northstar engine Project
  247. Trans question p0748 after trans repaired by rebuilder
  248. 1994 Deville Concours PCM Replacement
  249. 94 Deville Concours PCM Codes P041 and P119
  250. Misfire Cylender 4 Low Compresion after flashing SES and p0300