: Northstar Engines and System Technical Discussion



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