: Northstar Engines and System Technical Discussion



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  1. Kent-Moore VS Time-sert
  2. Bought 1998 Deville 4 days ago - overheating
  3. Northstar: Did they ever get better?
  4. I need step by step procedure to replace a 2005 STS motor LH2 quickly
  5. HG test and green result
  6. Eliminating/raising the speed limiter - how to?
  7. Water pump removal socket-northstar
  8. Lurching idle
  9. 5.3 motor
  10. 95 Eldorado alternator plug wiring
  11. OVERHEATING (Long)
  12. 2000 Deville Motor Mount Heat Shield
  13. 95-99 Engine Beauty Cover - Intake bolts Not lining up
  14. 1998 STS Trouble Codes & Emission Test
  15. A positive HG repair experience
  16. 2000 DHS transmission light on
  17. Anyone that has pulled an N*? PLEASE! I need some advice.
  18. Blown Head Gasket Help
  19. Sell or Keep N*
  20. Best way to clean the engine bay?
  21. Shops that specilize in head gasket repair.
  22. oil loadup at idle
  23. EGR Cleaning - '97 ETC
  24. engine over heating..
  25. Cleared PCM codes - now emissions test not ready
  26. Madtuner.com
  27. N* 4.6 Bad Compression, Help Please
  28. Best Replacement Mount For 2000 Deville
  29. Do not stud a Northstar
  30. Drilling and Tapping The Northstar V8......my personal experience so far.
  31. Northstar TB upgrade
  32. 2002 Deville Transaxle
  33. clogged heater core
  34. 2000 Deville Base - Front Ground Wire
  35. fuel injectors,1993 4.6 northstar VIn Y
  36. Chips
  37. my STS...its a miracle!
  38. How to clean out fuel system in a 96 Eldorado sitting for 6 years.
  39. low oil pressure-'97 SLS
  40. Northstar exhaust
  41. Update on parts I have/had
  42. Northstar Smoke On Startup
  43. O5 DeVille Is That My Lifters I Hear????
  44. 2006 4.6 northstar performance upgrades
  45. 1995 SLS questions on codes
  46. Recommend Pro Mar in NJ for a Northstar Rebuild. :)
  47. Replacing a Northstar in my 2003 Seville...what should I check for?
  48. HELP! 1999 SLS Coolant leak
  49. 2008 DTS misfire issue
  50. P 0300 code 2005 DTS - can't find the miss
  51. .030" over head gasket?
  52. 4.6L 32 valve water in oil
  53. P 0306 code
  54. 2000 DHS - cooling system problems
  55. 1990 DeVille idles rough
  56. 1997 STS - hard start, backfire when cranking
  57. Tappets or Rocker Followers - Two Different Head Designs???
  58. 2004 0r 2006 ?
  59. Change cat?
  60. Changing the Serpentine belt on a VIN Y Northstar V8
  61. 2006 Northstar 4.6 overheating
  62. 2002 STS Bottom end repaired early on.........questions
  63. 2002 DTS Northstar questions
  64. Northstar Water Pump Mounting Changes - Year?
  65. 94 SLS feels like its going to stall when at stoplight
  66. 2000 DTS - Overheating Issues
  67. 2001 Northstar piston to rod orientation?
  68. Should I clean my EGR valve also replace air pump
  69. Best transmission for a Northstar to LaSalle Street Rod swap
  70. Would these chain tensioners cause excessive engine noise?
  71. Rebuilt 4.6 from Davis Auto Repair or Cadillac Doctor
  72. Real bad oil leak!
  73. P0719how much coukd this code cost me
  74. Drink coasters from engine cover emblems.
  75. Strange compression test results, oil inside intake manifold & smoke !!
  76. Bore heads for larger headbolts or stud/insert ?
  77. Diffrence from 2000 and 2006 northstar engine?
  78. Exxon valdez
  79. 97 ETC Head Gasket Project
  80. 1998 Deville Northstar - ready to get my hands dirty
  81. Northstar V-8 Engine - Gasoline Issue
  82. Engine shaking
  83. Piston pin
  84. Northstar cam timing and chain problem
  85. Small Oil Leak and Smell in 2000 Cadillac Deville
  86. Are 2001 y code transmissions AAN and VAN interchangeable?
  87. Crank question
  88. Where Does This Bracket Go??
  89. LD8 non-interference motor?
  90. Losing Compression
  91. where is thermostat
  92. Issues with code P 0411 - 2006 DTS
  93. 96 Deville won't idle down, hard start and backfires when cold
  94. 99 DeVille D'elegance
  95. Northstar build
  96. Intermediate Timing Chain Gear fit
  97. Fuel pressure jumping up and down on my 1998 Eldorado
  98. Mystery klanking sound.. over 200K N*
  99. GUZZLING GAS!!! 2000 Deville...
  100. 96 Northstar Build
  101. Misfire - 2001 Deville
  102. To fix the Blown Head Gasket, how hard is it if DIY?
  103. Help-Broke Oil Pressure Switch wires while replaceing CKP's 03 Deville
  104. Piston detonation evidence - 1998 Northstar
  105. Coolant crossover
  106. Northstar V8 and 4T80E questions
  107. 2002 SLS Code P 0401
  108. DTS oil level and change oil soon messages
  109. Rough Idle After Retiming.
  110. Yet another oil question - mix SAE 30 with 10W-30 ?
  111. No acceleration... 2000 Deville
  112. Northstar Manual Transmission Possibility?
  113. Idling Trouble for 2004 Deville
  114. Timing chain issue, not lining up? stretched chain possibly?
  115. Rough idle/shuddering and misfires...2004 SRX Northstar
  116. Northstar oil flow diagram - oil in a head bolt hole
  117. Coolant Temperature Problem
  118. SES Light - codes P0171 & P0174 - 2004 Seville
  119. Oil filter
  120. Used Northstar powertrains-FS
  121. production codes
  122. radiator cooling in cold temps
  123. Can anyone identify this?
  124. 2005 Northstar Knock on Start Up
  125. Swap engine from 2006-2007 into 2000 DTS ?
  126. 1994 Concours - head gasket replacement ?
  127. p0154/0151
  128. Engine cover removal
  129. Northstar Overheating Problem- Is it possible to live with or even avoid...?
  130. oops ruined a couple studs by accident
  131. Looking for a cartridge style rear main seal installer
  132. need a new motor!
  133. cataclean info
  134. Northstar Performance SLOW!!!!!!!!!!!!!!
  135. CODES of past ,present,future?
  136. CKP & OP Sensors AND Oil Filter Adapter Sealing, Servicing - Candidate 4 Sticky
  137. 1998 Eldorado failed HG
  138. need a little advice on what im looking at
  139. 97 Concours won't start now
  140. 1997 ETC engine performance upgrades
  141. 2006-2009 DTS Common Problems
  142. Engine randomly stalls when it rains and ran into another problem
  143. Pre-'05 4T80E Torque Converter Upgrade from viscous silicone to '05-later EC3?
  144. Looking for Northstar experts in or around Atlanta, GA
  145. Northstar water pump 2006-2011
  146. STP High mileage oil additive.
  147. Re: 2000+ Northstar Plenum Replacement steps
  148. NO oil war just info on dexos,please
  149. The Stumbling, The Codes and The Solution
  150. Engine knock after rebuild 2005 northstar
  151. 01 STS - Head Gasket - Perm or Temp/Quick Fix Solution
  152. Main Cap Bolt broken in block, UGHH.
  153. location of starter
  154. 1995 STS starter questions and seeking advice
  155. dog bones life span
  156. Engine parts cleaning during overhaul
  157. 2000 STS Northstar coolant problems
  158. Transaxle leaking
  159. Northstar head gasket problem
  160. 2000 Deville Code P0741 & P1860
  161. Motor Mounts
  162. Just bought a 99 Deville - question about the oil
  163. Buyer beware
  164. HOW TO: Change surge tank (and coolant) on a 96 VIN Y DeVille
  165. tapping sound
  166. hard shifting
  167. hard start, hi reving cadillac after storage
  168. oil leak. water pump camshaft
  169. 1998 caddy STS fixed wp pulleys & belt. More issues!!!
  170. Northstar - any thoughts or advice ????
  171. More big props to joe
  172. Plenum Issue??? AIR system issue ???
  173. 1999 Deville PCM codes - can you tune it?
  174. Overheating Northstars and bleeder valves
  175. How do you find tdc on cylinder #1 using timing marks?
  176. Cadillac Deville 2000 plugs and boots
  177. 2000 STS code 9 swapping to 2001 Y code engine
  178. 1996 STS - P1406 DTC with bucking and hesitation
  179. Quick and Dirty 97 Deville HG Job
  180. Check engine light won't go away???
  181. How do I drain ALL the coolant?
  182. High Mileage engine oil question
  183. Northstar Head/Engine removal
  184. A question for the more experienced N* gear-heads on site. Gasket or rings?
  185. Torque Spec for ARP Studs in Northstar
  186. Unusual noises or am I crazy?
  187. Exhaust parts needed
  188. CF chips
  189. Oil percentage - OLM information
  190. False Overheating?
  191. Issues Removing Crank Pulley
  192. Having HG problems and ordered NORTHSTAR PERFORMANCE studs...
  193. help with removing engine from 97 deville
  194. Oil Drain plug seized...can you use an air impact to remove without damage?
  195. 97 Deville Won't Start
  196. 2003 STS Idle/MAF/Coolant temp issues/Driving itself
  197. smokey the bandit!
  198. Engine misfire at certain times of the day - 2003 STS
  199. Can I use regular torque numbers on my cylinder heads?
  200. Concerns with my 1997 Northstar Engine
  201. 99 Deville Concours with cracked block!
  202. heater tube connection leak
  203. How To Remove Heater Core Hoses ? - 1997 Deville
  204. Northstar rev limiter
  205. New Owner 93 Eldorado pic. ? about HG issues in the early Northstars
  206. Is this the worst rusty engine you have seen?
  207. small coolant drip where sensor mounts
  208. Best way to flush cooling system
  209. For those that wish to "plug in & play"....late 90's N* crate engine
  210. 4.0 Northstar Performance Upgrade
  211. Seeking N* help in VA.....
  212. 98 Deville D'Elegance Stays At 222 F
  213. 1998 Eldorado - DexCool mix
  214. Size of hose used to connect heater line tubing
  215. 99DeVille_NrthSt*r's Project Thread
  216. 97 Deville Concours - Rough Starting
  217. Top pullers, I need help with a bolt
  218. 99 DeVille Electrical Harness
  219. Northstar Performance - Cylinder Head Studs. Stock Issues Resolved.
  220. 96 deville crossover gasket
  221. The best sealant for the oil pan gasket
  222. Vacuum Leak after WOT (P0101) - 2003 STS
  223. Does anyone know a good Cadillac mechanic in the NYC area
  224. Great deal on Rear Main Seal installer... but better hurry!
  225. Head Gasket Kit Verification
  226. Is it worth it?
  227. Results of coolant in oil
  228. 2000 Deville shakes at Idle, No DTC's
  229. Engine block cracked - Northstar Performance, where are you ?
  230. Cradle swapping possibilities
  231. Non Production VVT Northstar
  232. Jake Northstar Performance - stud problems
  233. Update on remanufactured Northstar Performance engine. 1 year later
  234. Head Gasket Questions
  235. Another overheating northstar....
  236. Northstar interesting stuff....
  237. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  238. Northstar Water Pump Housing Replacment
  239. my 1995 Cadillac Eldorado Overheating
  240. Seafoam - do you use it?
  241. Another N* Oil Pump question
  242. 2005 DTS Head gasket still a problem?
  243. Gforce performance "chip" ?
  244. SureGrip studded Eldo for sale?!!
  245. I'm relocating,,,,new complaints section....
  246. Remote key fob
  247. oil manifold question
  248. How do you clean ring grooves on pistons?
  249. Video. For those who want to see CNC machining in action.
  250. Plugs - Spark plugs for a Northstar ??