: Northstar Engines and System Technical Discussion



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  1. Can anyone identify this?
  2. 2005 Northstar Knock on Start Up
  3. Swap engine from 2006-2007 into 2000 DTS ?
  4. 1994 Concours - head gasket replacement ?
  5. p0154/0151
  6. Engine cover removal
  7. Northstar Overheating Problem- Is it possible to live with or even avoid...?
  8. oops ruined a couple studs by accident
  9. Looking for a cartridge style rear main seal installer
  10. need a new motor!
  11. cataclean info
  12. Northstar Performance SLOW!!!!!!!!!!!!!!
  13. CODES of past ,present,future?
  14. CKP & OP Sensors AND Oil Filter Adapter Sealing, Servicing - Candidate 4 Sticky
  15. 1998 Eldorado failed HG
  16. need a little advice on what im looking at
  17. 97 Concours won't start now
  18. 1997 ETC engine performance upgrades
  19. 2006-2009 DTS Common Problems
  20. Engine randomly stalls when it rains and ran into another problem
  21. Pre-'05 4T80E Torque Converter Upgrade from viscous silicone to '05-later EC3?
  22. Looking for Northstar experts in or around Atlanta, GA
  23. Northstar water pump 2006-2011
  24. STP High mileage oil additive.
  25. Re: 2000+ Northstar Plenum Replacement steps
  26. NO oil war just info on dexos,please
  27. The Stumbling, The Codes and The Solution
  28. Engine knock after rebuild 2005 northstar
  29. 01 STS - Head Gasket - Perm or Temp/Quick Fix Solution
  30. Main Cap Bolt broken in block, UGHH.
  31. location of starter
  32. 1995 STS starter questions and seeking advice
  33. dog bones life span
  34. Engine parts cleaning during overhaul
  35. 2000 STS Northstar coolant problems
  36. Transaxle leaking
  37. Northstar head gasket problem
  38. 2000 Deville Code P0741 & P1860
  39. Motor Mounts
  40. Just bought a 99 Deville - question about the oil
  41. Buyer beware
  42. HOW TO: Change surge tank (and coolant) on a 96 VIN Y DeVille
  43. tapping sound
  44. hard shifting
  45. hard start, hi reving cadillac after storage
  46. oil leak. water pump camshaft
  47. 1998 caddy STS fixed wp pulleys & belt. More issues!!!
  48. Northstar - any thoughts or advice ????
  49. More big props to joe
  50. Plenum Issue??? AIR system issue ???
  51. 1999 Deville PCM codes - can you tune it?
  52. Overheating Northstars and bleeder valves
  53. How do you find tdc on cylinder #1 using timing marks?
  54. Cadillac Deville 2000 plugs and boots
  55. 2000 STS code 9 swapping to 2001 Y code engine
  56. 1996 STS - P1406 DTC with bucking and hesitation
  57. Quick and Dirty 97 Deville HG Job
  58. Check engine light won't go away???
  59. How do I drain ALL the coolant?
  60. High Mileage engine oil question
  61. Northstar Head/Engine removal
  62. A question for the more experienced N* gear-heads on site. Gasket or rings?
  63. Torque Spec for ARP Studs in Northstar
  64. Unusual noises or am I crazy?
  65. Exhaust parts needed
  66. CF chips
  67. Oil percentage - OLM information
  68. False Overheating?
  69. Issues Removing Crank Pulley
  70. Having HG problems and ordered NORTHSTAR PERFORMANCE studs...
  71. help with removing engine from 97 deville
  72. Oil Drain plug seized...can you use an air impact to remove without damage?
  73. 97 Deville Won't Start
  74. 2003 STS Idle/MAF/Coolant temp issues/Driving itself
  75. smokey the bandit!
  76. Engine misfire at certain times of the day - 2003 STS
  77. Can I use regular torque numbers on my cylinder heads?
  78. Concerns with my 1997 Northstar Engine
  79. 99 Deville Concours with cracked block!
  80. heater tube connection leak
  81. How To Remove Heater Core Hoses ? - 1997 Deville
  82. Northstar rev limiter
  83. New Owner 93 Eldorado pic. ? about HG issues in the early Northstars
  84. Is this the worst rusty engine you have seen?
  85. small coolant drip where sensor mounts
  86. Best way to flush cooling system
  87. For those that wish to "plug in & play"....late 90's N* crate engine
  88. 4.0 Northstar Performance Upgrade
  89. Seeking N* help in VA.....
  90. 98 Deville D'Elegance Stays At 222 F
  91. 1998 Eldorado - DexCool mix
  92. Size of hose used to connect heater line tubing
  93. 99DeVille_NrthSt*r's Project Thread
  94. 97 Deville Concours - Rough Starting
  95. Top pullers, I need help with a bolt
  96. 99 DeVille Electrical Harness
  97. Northstar Performance - Cylinder Head Studs. Stock Issues Resolved.
  98. 96 deville crossover gasket
  99. The best sealant for the oil pan gasket
  100. Vacuum Leak after WOT (P0101) - 2003 STS
  101. Does anyone know a good Cadillac mechanic in the NYC area
  102. Great deal on Rear Main Seal installer... but better hurry!
  103. Head Gasket Kit Verification
  104. Is it worth it?
  105. Results of coolant in oil
  106. 2000 Deville shakes at Idle, No DTC's
  107. Engine block cracked - Northstar Performance, where are you ?
  108. Cradle swapping possibilities
  109. Non Production VVT Northstar
  110. Jake Northstar Performance - stud problems
  111. Update on remanufactured Northstar Performance engine. 1 year later
  112. Head Gasket Questions
  113. Another overheating northstar....
  114. Northstar interesting stuff....
  115. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  116. Northstar Water Pump Housing Replacment
  117. my 1995 Cadillac Eldorado Overheating
  118. Seafoam - do you use it?
  119. Another N* Oil Pump question
  120. 2005 DTS Head gasket still a problem?
  121. Gforce performance "chip" ?
  122. SureGrip studded Eldo for sale?!!
  123. I'm relocating,,,,new complaints section....
  124. Remote key fob
  125. oil manifold question
  126. How do you clean ring grooves on pistons?
  127. Video. For those who want to see CNC machining in action.
  128. Plugs - Spark plugs for a Northstar ??
  129. Want To Buy N* stud tool kit
  130. What happened? Stored 1996 Deville engine knock
  131. Northstar head gasket repair
  132. WOT problem and P0300 - 2000 Eldorado
  133. Marks Turbocharged 99 STS
  134. water pump leak after replacing pump/seal
  135. Missing shield in cam cover?
  136. tight northstar cam chain
  137. front motor mounts
  138. northstar studs
  139. 2000 Deville - high pitched whistle
  140. 99 Deville HG job 4-2012
  141. I have a set of studs available if someone needs them thanks to my previous thread
  142. DIY Northstar Head Gasket / Crankcase Leak Repair
  143. 1997 Seville temperature problems
  144. Don't Wait More Than 120 days
  145. How to tell if head gaskets have been done before?
  146. Need top compression ring 98 N*....ugghhh
  147. 18mm Northstar Crankbolt needed
  148. 98 Eldorado replacing Engine Torque Mounts
  149. Troubleshooting help
  150. New Northstar Crate Engine
  151. Valve stem seal tool?
  152. Code P070 with stalling and surging-TPS or ISC?
  153. Huge thanks to Joe at Midwest Cadillac Repair
  154. Factory air intake question
  155. Bent pushrod - valvetrain noise ?
  156. '01 DTS Misfire.
  157. Thread size for Jake's studs?
  158. Drive Train Hum & No Overdrive
  159. Towing in third gear
  160. 2004 Deville PCM
  161. 01 Deville OverHeating Issue
  162. Please help diagnose my cooling system problem
  163. Overheating
  164. Is there an alternate way to lock the flywheel?
  165. northstar stud kit
  166. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  167. Coolant Reservoir Overflow Line
  168. N* Upper to Lower block half sealing procedure.
  169. To re-seal or not?
  170. How do you SAFELY clean the valve covers?
  171. 98 ETC Head Gasket project started today...
  172. 2002 Eldorado ETC Head Gasket Project
  173. 97 N* Crank Pulley / Oil Pump Torque setting
  174. WP cam price
  175. 2001 Deville VIN Y - head gasket repair on Long Island ?
  176. Anyone want to compare MAF readings?
  177. Wheres Jake? We need studs and engines !!!
  178. serp belt
  179. Question about the Northstar PCM
  180. 96 Sedan De Ville V8 Northstar Over Heating
  181. po 300, po 507 need help asap!!
  182. 1997 STS N* connecting rod stamped number
  183. Is there an on-line breakdown of N* engine parts with GM part numbers?
  184. Torque specs on fasteners - torque angle?
  185. Northstar headbolt spacing/ pattern
  186. 95 eldorado 8th letter of vin is y
  187. Recently purchaced 2003 Cadillac Dev
  188. engine swap for a 2000 dts to a 2003 devell can it work i
  189. Jake, I REALLY, REALLY want to give you some money!
  190. Saga of a naive Head Gasket repair
  191. Cracked block!!!!
  192. What causes a headgasket failure?
  193. Spark advance/knock - What is tolerance?
  194. Towing with 02 Deville
  195. Northstar Temp sensor & Lock up converter ?'s
  196. P119 and p080
  197. Another (slightly different) Northstar oil consumption question.....
  198. holley injector harness
  199. Northstar oil pump failure
  200. 4.6 Rod Clearance
  201. Thank You
  202. Scratched Wall
  203. 4T80E Electronically controlled torque converter clutch
  204. Do The 2006 and newer DTS Northstars have the same headgasket issues?
  205. Feels like a miss?
  206. Need some advice for Northstar car purchase...
  207. need help with rough running northstsar
  208. '03 DeVille - Slight shudder under initial acceleration
  209. how can i check if head gasket leaks
  210. 1994 Deville Concours Ignition Control Module Replacement
  211. Get it while you can..........
  212. Backfiring issues
  213. Rear main seal install tool confusion
  214. surges/sputters while driving, but idles perfectly fine?
  215. Code P041 and Code P025 in 1994 Deville Concours
  216. Northstar 4.6 Overheating
  217. Differences of studs vs. Timeserts
  218. 94 deville concours northstar catalytic converter redhot and stalls
  219. dipstick level, which side to believe?
  220. 2002 Eldorado coolant flush what kind?
  221. Heated Seat Issue..Please Help!
  222. Running on 4 Cylinders..not in Overheat mode
  223. 2002 Deville, White Smoke when Ideling
  224. 1999 Deville w/ Northstar coolant issue
  225. Another 2000+ head gasket failure
  226. 01 Deville DHS N* Repair in DFW Metroplex
  227. SureGrip stud kit / jig combo allignment?
  228. How hard to try to pull the head bolts on Northstar?
  229. How do I pull the airbox in my Eldo?
  230. 2000 Deville Crank Sensor Problems.. Please help if you can..
  231. ethanol or not
  232. Areas to look at while doing a HG repair
  233. PCM/EBTCM Pin Diagram, 2001 SLS
  234. Jake, wish you best of Luck !!
  235. What wire for the Speedo?
  236. Time sert kit kit # 500
  237. Torque Converter Whine
  238. PCM and engine switching
  239. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  240. timeserts
  241. Northstar removal
  242. Blocks, cracks and heat
  243. Please help: 1996 deville hard starting ?
  244. 2000 deville using oil HELP !
  245. 2003 Deville engine start problem
  246. What exactly is a "base model" Deville ?
  247. need to replace flywheel
  248. Service engine light
  249. Possible to run northstar on an engine stand or outside of the car?
  250. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse