: Northstar Engines and System Technical Discussion



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