: Northstar Engines and System Technical Discussion



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  1. engine over heating..
  2. Cleared PCM codes - now emissions test not ready
  3. Madtuner.com
  4. N* 4.6 Bad Compression, Help Please
  5. Best Replacement Mount For 2000 Deville
  6. Do not stud a Northstar
  7. Drilling and Tapping The Northstar V8......my personal experience so far.
  8. Northstar TB upgrade
  9. 2002 Deville Transaxle
  10. clogged heater core
  11. 2000 Deville Base - Front Ground Wire
  12. fuel injectors,1993 4.6 northstar VIn Y
  13. Chips
  14. my STS...its a miracle!
  15. How to clean out fuel system in a 96 Eldorado sitting for 6 years.
  16. low oil pressure-'97 SLS
  17. Northstar exhaust
  18. Update on parts I have/had
  19. Northstar Smoke On Startup
  20. O5 DeVille Is That My Lifters I Hear????
  21. 2006 4.6 northstar performance upgrades
  22. 1995 SLS questions on codes
  23. Recommend Pro Mar in NJ for a Northstar Rebuild. :)
  24. Replacing a Northstar in my 2003 Seville...what should I check for?
  25. HELP! 1999 SLS Coolant leak
  26. 2008 DTS misfire issue
  27. P 0300 code 2005 DTS - can't find the miss
  28. .030" over head gasket?
  29. 4.6L 32 valve water in oil
  30. P 0306 code
  31. 2000 DHS - cooling system problems
  32. 1990 DeVille idles rough
  33. 1997 STS - hard start, backfire when cranking
  34. Tappets or Rocker Followers - Two Different Head Designs???
  35. 2004 0r 2006 ?
  36. Change cat?
  37. Changing the Serpentine belt on a VIN Y Northstar V8
  38. 2006 Northstar 4.6 overheating
  39. 2002 STS Bottom end repaired early on.........questions
  40. 2002 DTS Northstar questions
  41. Northstar Water Pump Mounting Changes - Year?
  42. 94 SLS feels like its going to stall when at stoplight
  43. 2000 DTS - Overheating Issues
  44. 2001 Northstar piston to rod orientation?
  45. Should I clean my EGR valve also replace air pump
  46. Best transmission for a Northstar to LaSalle Street Rod swap
  47. Would these chain tensioners cause excessive engine noise?
  48. Rebuilt 4.6 from Davis Auto Repair or Cadillac Doctor
  49. Real bad oil leak!
  50. P0719how much coukd this code cost me
  51. Drink coasters from engine cover emblems.
  52. Strange compression test results, oil inside intake manifold & smoke !!
  53. Bore heads for larger headbolts or stud/insert ?
  54. Diffrence from 2000 and 2006 northstar engine?
  55. Exxon valdez
  56. 97 ETC Head Gasket Project
  57. 1998 Deville Northstar - ready to get my hands dirty
  58. Northstar V-8 Engine - Gasoline Issue
  59. Engine shaking
  60. Piston pin
  61. Northstar cam timing and chain problem
  62. Small Oil Leak and Smell in 2000 Cadillac Deville
  63. Are 2001 y code transmissions AAN and VAN interchangeable?
  64. Crank question
  65. Where Does This Bracket Go??
  66. LD8 non-interference motor?
  67. Losing Compression
  68. where is thermostat
  69. Issues with code P 0411 - 2006 DTS
  70. 96 Deville won't idle down, hard start and backfires when cold
  71. 99 DeVille D'elegance
  72. Northstar build
  73. Intermediate Timing Chain Gear fit
  74. Fuel pressure jumping up and down on my 1998 Eldorado
  75. Mystery klanking sound.. over 200K N*
  76. GUZZLING GAS!!! 2000 Deville...
  77. 96 Northstar Build
  78. Misfire - 2001 Deville
  79. To fix the Blown Head Gasket, how hard is it if DIY?
  80. Help-Broke Oil Pressure Switch wires while replaceing CKP's 03 Deville
  81. Piston detonation evidence - 1998 Northstar
  82. Coolant crossover
  83. Northstar V8 and 4T80E questions
  84. 2002 SLS Code P 0401
  85. DTS oil level and change oil soon messages
  86. Rough Idle After Retiming.
  87. Yet another oil question - mix SAE 30 with 10W-30 ?
  88. No acceleration... 2000 Deville
  89. Northstar Manual Transmission Possibility?
  90. Idling Trouble for 2004 Deville
  91. Timing chain issue, not lining up? stretched chain possibly?
  92. Rough idle/shuddering and misfires...2004 SRX Northstar
  93. Northstar oil flow diagram - oil in a head bolt hole
  94. Coolant Temperature Problem
  95. SES Light - codes P0171 & P0174 - 2004 Seville
  96. Oil filter
  97. Used Northstar powertrains-FS
  98. production codes
  99. radiator cooling in cold temps
  100. Can anyone identify this?
  101. 2005 Northstar Knock on Start Up
  102. Swap engine from 2006-2007 into 2000 DTS ?
  103. 1994 Concours - head gasket replacement ?
  104. p0154/0151
  105. Engine cover removal
  106. Northstar Overheating Problem- Is it possible to live with or even avoid...?
  107. oops ruined a couple studs by accident
  108. Looking for a cartridge style rear main seal installer
  109. need a new motor!
  110. cataclean info
  111. Northstar Performance SLOW!!!!!!!!!!!!!!
  112. CODES of past ,present,future?
  113. CKP & OP Sensors AND Oil Filter Adapter Sealing, Servicing - Candidate 4 Sticky
  114. 1998 Eldorado failed HG
  115. need a little advice on what im looking at
  116. 97 Concours won't start now
  117. 1997 ETC engine performance upgrades
  118. 2006-2009 DTS Common Problems
  119. Engine randomly stalls when it rains and ran into another problem
  120. Pre-'05 4T80E Torque Converter Upgrade from viscous silicone to '05-later EC3?
  121. Looking for Northstar experts in or around Atlanta, GA
  122. Northstar water pump 2006-2011
  123. STP High mileage oil additive.
  124. Re: 2000+ Northstar Plenum Replacement steps
  125. NO oil war just info on dexos,please
  126. The Stumbling, The Codes and The Solution
  127. Engine knock after rebuild 2005 northstar
  128. 01 STS - Head Gasket - Perm or Temp/Quick Fix Solution
  129. Main Cap Bolt broken in block, UGHH.
  130. location of starter
  131. 1995 STS starter questions and seeking advice
  132. dog bones life span
  133. Engine parts cleaning during overhaul
  134. 2000 STS Northstar coolant problems
  135. Transaxle leaking
  136. Northstar head gasket problem
  137. 2000 Deville Code P0741 & P1860
  138. Motor Mounts
  139. Just bought a 99 Deville - question about the oil
  140. Buyer beware
  141. HOW TO: Change surge tank (and coolant) on a 96 VIN Y DeVille
  142. tapping sound
  143. hard shifting
  144. hard start, hi reving cadillac after storage
  145. oil leak. water pump camshaft
  146. 1998 caddy STS fixed wp pulleys & belt. More issues!!!
  147. Northstar - any thoughts or advice ????
  148. More big props to joe
  149. Plenum Issue??? AIR system issue ???
  150. 1999 Deville PCM codes - can you tune it?
  151. Overheating Northstars and bleeder valves
  152. How do you find tdc on cylinder #1 using timing marks?
  153. Cadillac Deville 2000 plugs and boots
  154. 2000 STS code 9 swapping to 2001 Y code engine
  155. 1996 STS - P1406 DTC with bucking and hesitation
  156. Quick and Dirty 97 Deville HG Job
  157. Check engine light won't go away???
  158. How do I drain ALL the coolant?
  159. High Mileage engine oil question
  160. Northstar Head/Engine removal
  161. A question for the more experienced N* gear-heads on site. Gasket or rings?
  162. Torque Spec for ARP Studs in Northstar
  163. Unusual noises or am I crazy?
  164. Exhaust parts needed
  165. CF chips
  166. Oil percentage - OLM information
  167. False Overheating?
  168. Issues Removing Crank Pulley
  169. Having HG problems and ordered NORTHSTAR PERFORMANCE studs...
  170. help with removing engine from 97 deville
  171. Oil Drain plug seized...can you use an air impact to remove without damage?
  172. 97 Deville Won't Start
  173. 2003 STS Idle/MAF/Coolant temp issues/Driving itself
  174. smokey the bandit!
  175. Engine misfire at certain times of the day - 2003 STS
  176. Can I use regular torque numbers on my cylinder heads?
  177. Concerns with my 1997 Northstar Engine
  178. 99 Deville Concours with cracked block!
  179. heater tube connection leak
  180. How To Remove Heater Core Hoses ? - 1997 Deville
  181. Northstar rev limiter
  182. New Owner 93 Eldorado pic. ? about HG issues in the early Northstars
  183. Is this the worst rusty engine you have seen?
  184. small coolant drip where sensor mounts
  185. Best way to flush cooling system
  186. For those that wish to "plug in & play"....late 90's N* crate engine
  187. 4.0 Northstar Performance Upgrade
  188. Seeking N* help in VA.....
  189. 98 Deville D'Elegance Stays At 222 F
  190. 1998 Eldorado - DexCool mix
  191. Size of hose used to connect heater line tubing
  192. 99DeVille_NrthSt*r's Project Thread
  193. 97 Deville Concours - Rough Starting
  194. Top pullers, I need help with a bolt
  195. 99 DeVille Electrical Harness
  196. Northstar Performance - Cylinder Head Studs. Stock Issues Resolved.
  197. 96 deville crossover gasket
  198. The best sealant for the oil pan gasket
  199. Vacuum Leak after WOT (P0101) - 2003 STS
  200. Does anyone know a good Cadillac mechanic in the NYC area
  201. Great deal on Rear Main Seal installer... but better hurry!
  202. Head Gasket Kit Verification
  203. Is it worth it?
  204. Results of coolant in oil
  205. 2000 Deville shakes at Idle, No DTC's
  206. Engine block cracked - Northstar Performance, where are you ?
  207. Cradle swapping possibilities
  208. Non Production VVT Northstar
  209. Jake Northstar Performance - stud problems
  210. Update on remanufactured Northstar Performance engine. 1 year later
  211. Head Gasket Questions
  212. Another overheating northstar....
  213. Northstar interesting stuff....
  214. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  215. Northstar Water Pump Housing Replacment
  216. my 1995 Cadillac Eldorado Overheating
  217. Seafoam - do you use it?
  218. Another N* Oil Pump question
  219. 2005 DTS Head gasket still a problem?
  220. Gforce performance "chip" ?
  221. SureGrip studded Eldo for sale?!!
  222. I'm relocating,,,,new complaints section....
  223. Remote key fob
  224. oil manifold question
  225. How do you clean ring grooves on pistons?
  226. Video. For those who want to see CNC machining in action.
  227. Plugs - Spark plugs for a Northstar ??
  228. Want To Buy N* stud tool kit
  229. What happened? Stored 1996 Deville engine knock
  230. Northstar head gasket repair
  231. WOT problem and P0300 - 2000 Eldorado
  232. Marks Turbocharged 99 STS
  233. water pump leak after replacing pump/seal
  234. Missing shield in cam cover?
  235. tight northstar cam chain
  236. front motor mounts
  237. northstar studs
  238. 2000 Deville - high pitched whistle
  239. 99 Deville HG job 4-2012
  240. I have a set of studs available if someone needs them thanks to my previous thread
  241. DIY Northstar Head Gasket / Crankcase Leak Repair
  242. 1997 Seville temperature problems
  243. Don't Wait More Than 120 days
  244. How to tell if head gaskets have been done before?
  245. Need top compression ring 98 N*....ugghhh
  246. 18mm Northstar Crankbolt needed
  247. 98 Eldorado replacing Engine Torque Mounts
  248. Troubleshooting help
  249. New Northstar Crate Engine
  250. Valve stem seal tool?