: Northstar Engines and System Technical Discussion



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  1. Changing the Serpentine belt on a VIN Y Northstar V8
  2. 2006 Northstar 4.6 overheating
  3. 2002 STS Bottom end repaired early on.........questions
  4. 2002 DTS Northstar questions
  5. Northstar Water Pump Mounting Changes - Year?
  6. 94 SLS feels like its going to stall when at stoplight
  7. 2000 DTS - Overheating Issues
  8. 2001 Northstar piston to rod orientation?
  9. Should I clean my EGR valve also replace air pump
  10. Best transmission for a Northstar to LaSalle Street Rod swap
  11. Would these chain tensioners cause excessive engine noise?
  12. Rebuilt 4.6 from Davis Auto Repair or Cadillac Doctor
  13. Real bad oil leak!
  14. P0719how much coukd this code cost me
  15. Drink coasters from engine cover emblems.
  16. Strange compression test results, oil inside intake manifold & smoke !!
  17. Bore heads for larger headbolts or stud/insert ?
  18. Diffrence from 2000 and 2006 northstar engine?
  19. Exxon valdez
  20. 97 ETC Head Gasket Project
  21. 1998 Deville Northstar - ready to get my hands dirty
  22. Northstar V-8 Engine - Gasoline Issue
  23. Engine shaking
  24. Piston pin
  25. Northstar cam timing and chain problem
  26. Small Oil Leak and Smell in 2000 Cadillac Deville
  27. Are 2001 y code transmissions AAN and VAN interchangeable?
  28. Crank question
  29. Where Does This Bracket Go??
  30. LD8 non-interference motor?
  31. Losing Compression
  32. where is thermostat
  33. Issues with code P 0411 - 2006 DTS
  34. 96 Deville won't idle down, hard start and backfires when cold
  35. 99 DeVille D'elegance
  36. Northstar build
  37. Intermediate Timing Chain Gear fit
  38. Fuel pressure jumping up and down on my 1998 Eldorado
  39. Mystery klanking sound.. over 200K N*
  40. GUZZLING GAS!!! 2000 Deville...
  41. 96 Northstar Build
  42. Misfire - 2001 Deville
  43. To fix the Blown Head Gasket, how hard is it if DIY?
  44. Help-Broke Oil Pressure Switch wires while replaceing CKP's 03 Deville
  45. Piston detonation evidence - 1998 Northstar
  46. Coolant crossover
  47. Northstar V8 and 4T80E questions
  48. 2002 SLS Code P 0401
  49. DTS oil level and change oil soon messages
  50. Rough Idle After Retiming.
  51. Yet another oil question - mix SAE 30 with 10W-30 ?
  52. No acceleration... 2000 Deville
  53. Northstar Manual Transmission Possibility?
  54. Idling Trouble for 2004 Deville
  55. Timing chain issue, not lining up? stretched chain possibly?
  56. Rough idle/shuddering and misfires...2004 SRX Northstar
  57. Northstar oil flow diagram - oil in a head bolt hole
  58. Coolant Temperature Problem
  59. SES Light - codes P0171 & P0174 - 2004 Seville
  60. Oil filter
  61. Used Northstar powertrains-FS
  62. production codes
  63. radiator cooling in cold temps
  64. Can anyone identify this?
  65. 2005 Northstar Knock on Start Up
  66. Swap engine from 2006-2007 into 2000 DTS ?
  67. 1994 Concours - head gasket replacement ?
  68. p0154/0151
  69. Engine cover removal
  70. Northstar Overheating Problem- Is it possible to live with or even avoid...?
  71. oops ruined a couple studs by accident
  72. Looking for a cartridge style rear main seal installer
  73. need a new motor!
  74. cataclean info
  75. Northstar Performance SLOW!!!!!!!!!!!!!!
  76. CODES of past ,present,future?
  77. CKP & OP Sensors AND Oil Filter Adapter Sealing, Servicing - Candidate 4 Sticky
  78. 1998 Eldorado failed HG
  79. need a little advice on what im looking at
  80. 97 Concours won't start now
  81. 1997 ETC engine performance upgrades
  82. 2006-2009 DTS Common Problems
  83. Engine randomly stalls when it rains and ran into another problem
  84. Pre-'05 4T80E Torque Converter Upgrade from viscous silicone to '05-later EC3?
  85. Looking for Northstar experts in or around Atlanta, GA
  86. Northstar water pump 2006-2011
  87. STP High mileage oil additive.
  88. Re: 2000+ Northstar Plenum Replacement steps
  89. NO oil war just info on dexos,please
  90. The Stumbling, The Codes and The Solution
  91. Engine knock after rebuild 2005 northstar
  92. 01 STS - Head Gasket - Perm or Temp/Quick Fix Solution
  93. Main Cap Bolt broken in block, UGHH.
  94. location of starter
  95. 1995 STS starter questions and seeking advice
  96. dog bones life span
  97. Engine parts cleaning during overhaul
  98. 2000 STS Northstar coolant problems
  99. Transaxle leaking
  100. Northstar head gasket problem
  101. 2000 Deville Code P0741 & P1860
  102. Motor Mounts
  103. Just bought a 99 Deville - question about the oil
  104. Buyer beware
  105. HOW TO: Change surge tank (and coolant) on a 96 VIN Y DeVille
  106. tapping sound
  107. hard shifting
  108. hard start, hi reving cadillac after storage
  109. oil leak. water pump camshaft
  110. 1998 caddy STS fixed wp pulleys & belt. More issues!!!
  111. Northstar - any thoughts or advice ????
  112. More big props to joe
  113. Plenum Issue??? AIR system issue ???
  114. 1999 Deville PCM codes - can you tune it?
  115. Overheating Northstars and bleeder valves
  116. How do you find tdc on cylinder #1 using timing marks?
  117. Cadillac Deville 2000 plugs and boots
  118. 2000 STS code 9 swapping to 2001 Y code engine
  119. 1996 STS - P1406 DTC with bucking and hesitation
  120. Quick and Dirty 97 Deville HG Job
  121. Check engine light won't go away???
  122. How do I drain ALL the coolant?
  123. High Mileage engine oil question
  124. Northstar Head/Engine removal
  125. A question for the more experienced N* gear-heads on site. Gasket or rings?
  126. Torque Spec for ARP Studs in Northstar
  127. Unusual noises or am I crazy?
  128. Exhaust parts needed
  129. CF chips
  130. Oil percentage - OLM information
  131. False Overheating?
  132. Issues Removing Crank Pulley
  133. Having HG problems and ordered NORTHSTAR PERFORMANCE studs...
  134. help with removing engine from 97 deville
  135. Oil Drain plug seized...can you use an air impact to remove without damage?
  136. 97 Deville Won't Start
  137. 2003 STS Idle/MAF/Coolant temp issues/Driving itself
  138. smokey the bandit!
  139. Engine misfire at certain times of the day - 2003 STS
  140. Can I use regular torque numbers on my cylinder heads?
  141. Concerns with my 1997 Northstar Engine
  142. 99 Deville Concours with cracked block!
  143. heater tube connection leak
  144. How To Remove Heater Core Hoses ? - 1997 Deville
  145. Northstar rev limiter
  146. New Owner 93 Eldorado pic. ? about HG issues in the early Northstars
  147. Is this the worst rusty engine you have seen?
  148. small coolant drip where sensor mounts
  149. Best way to flush cooling system
  150. For those that wish to "plug in & play"....late 90's N* crate engine
  151. 4.0 Northstar Performance Upgrade
  152. Seeking N* help in VA.....
  153. 98 Deville D'Elegance Stays At 222 F
  154. 1998 Eldorado - DexCool mix
  155. Size of hose used to connect heater line tubing
  156. 99DeVille_NrthSt*r's Project Thread
  157. 97 Deville Concours - Rough Starting
  158. Top pullers, I need help with a bolt
  159. 99 DeVille Electrical Harness
  160. Northstar Performance - Cylinder Head Studs. Stock Issues Resolved.
  161. 96 deville crossover gasket
  162. The best sealant for the oil pan gasket
  163. Vacuum Leak after WOT (P0101) - 2003 STS
  164. Does anyone know a good Cadillac mechanic in the NYC area
  165. Great deal on Rear Main Seal installer... but better hurry!
  166. Head Gasket Kit Verification
  167. Is it worth it?
  168. Results of coolant in oil
  169. 2000 Deville shakes at Idle, No DTC's
  170. Engine block cracked - Northstar Performance, where are you ?
  171. Cradle swapping possibilities
  172. Non Production VVT Northstar
  173. Jake Northstar Performance - stud problems
  174. Update on remanufactured Northstar Performance engine. 1 year later
  175. Head Gasket Questions
  176. Another overheating northstar....
  177. Northstar interesting stuff....
  178. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  179. Northstar Water Pump Housing Replacment
  180. my 1995 Cadillac Eldorado Overheating
  181. Seafoam - do you use it?
  182. Another N* Oil Pump question
  183. 2005 DTS Head gasket still a problem?
  184. Gforce performance "chip" ?
  185. SureGrip studded Eldo for sale?!!
  186. I'm relocating,,,,new complaints section....
  187. Remote key fob
  188. oil manifold question
  189. How do you clean ring grooves on pistons?
  190. Video. For those who want to see CNC machining in action.
  191. Plugs - Spark plugs for a Northstar ??
  192. Want To Buy N* stud tool kit
  193. What happened? Stored 1996 Deville engine knock
  194. Northstar head gasket repair
  195. WOT problem and P0300 - 2000 Eldorado
  196. Marks Turbocharged 99 STS
  197. water pump leak after replacing pump/seal
  198. Missing shield in cam cover?
  199. tight northstar cam chain
  200. front motor mounts
  201. northstar studs
  202. 2000 Deville - high pitched whistle
  203. 99 Deville HG job 4-2012
  204. I have a set of studs available if someone needs them thanks to my previous thread
  205. DIY Northstar Head Gasket / Crankcase Leak Repair
  206. 1997 Seville temperature problems
  207. Don't Wait More Than 120 days
  208. How to tell if head gaskets have been done before?
  209. Need top compression ring 98 N*....ugghhh
  210. 18mm Northstar Crankbolt needed
  211. 98 Eldorado replacing Engine Torque Mounts
  212. Troubleshooting help
  213. New Northstar Crate Engine
  214. Valve stem seal tool?
  215. Code P070 with stalling and surging-TPS or ISC?
  216. Huge thanks to Joe at Midwest Cadillac Repair
  217. Factory air intake question
  218. Bent pushrod - valvetrain noise ?
  219. '01 DTS Misfire.
  220. Thread size for Jake's studs?
  221. Drive Train Hum & No Overdrive
  222. Towing in third gear
  223. 2004 Deville PCM
  224. 01 Deville OverHeating Issue
  225. Please help diagnose my cooling system problem
  226. Overheating
  227. Is there an alternate way to lock the flywheel?
  228. northstar stud kit
  229. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  230. Coolant Reservoir Overflow Line
  231. N* Upper to Lower block half sealing procedure.
  232. To re-seal or not?
  233. How do you SAFELY clean the valve covers?
  234. 98 ETC Head Gasket project started today...
  235. 2002 Eldorado ETC Head Gasket Project
  236. 97 N* Crank Pulley / Oil Pump Torque setting
  237. WP cam price
  238. 2001 Deville VIN Y - head gasket repair on Long Island ?
  239. Anyone want to compare MAF readings?
  240. Wheres Jake? We need studs and engines !!!
  241. serp belt
  242. Question about the Northstar PCM
  243. 96 Sedan De Ville V8 Northstar Over Heating
  244. po 300, po 507 need help asap!!
  245. 1997 STS N* connecting rod stamped number
  246. Is there an on-line breakdown of N* engine parts with GM part numbers?
  247. Torque specs on fasteners - torque angle?
  248. Northstar headbolt spacing/ pattern
  249. 95 eldorado 8th letter of vin is y
  250. Recently purchaced 2003 Cadillac Dev