: Northstar Engines and System Technical Discussion



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  1. .030" over head gasket?
  2. 4.6L 32 valve water in oil
  3. P 0306 code
  4. 2000 DHS - cooling system problems
  5. 1990 DeVille idles rough
  6. 1997 STS - hard start, backfire when cranking
  7. Tappets or Rocker Followers - Two Different Head Designs???
  8. 2004 0r 2006 ?
  9. Change cat?
  10. Changing the Serpentine belt on a VIN Y Northstar V8
  11. 2006 Northstar 4.6 overheating
  12. 2002 STS Bottom end repaired early on.........questions
  13. 2002 DTS Northstar questions
  14. Northstar Water Pump Mounting Changes - Year?
  15. 94 SLS feels like its going to stall when at stoplight
  16. 2000 DTS - Overheating Issues
  17. 2001 Northstar piston to rod orientation?
  18. Should I clean my EGR valve also replace air pump
  19. Best transmission for a Northstar to LaSalle Street Rod swap
  20. Would these chain tensioners cause excessive engine noise?
  21. Rebuilt 4.6 from Davis Auto Repair or Cadillac Doctor
  22. Real bad oil leak!
  23. P0719how much coukd this code cost me
  24. Drink coasters from engine cover emblems.
  25. Strange compression test results, oil inside intake manifold & smoke !!
  26. Bore heads for larger headbolts or stud/insert ?
  27. Diffrence from 2000 and 2006 northstar engine?
  28. Exxon valdez
  29. 97 ETC Head Gasket Project
  30. 1998 Deville Northstar - ready to get my hands dirty
  31. Northstar V-8 Engine - Gasoline Issue
  32. Engine shaking
  33. Piston pin
  34. Northstar cam timing and chain problem
  35. Small Oil Leak and Smell in 2000 Cadillac Deville
  36. Are 2001 y code transmissions AAN and VAN interchangeable?
  37. Crank question
  38. Where Does This Bracket Go??
  39. LD8 non-interference motor?
  40. Losing Compression
  41. where is thermostat
  42. Issues with code P 0411 - 2006 DTS
  43. 96 Deville won't idle down, hard start and backfires when cold
  44. 99 DeVille D'elegance
  45. Northstar build
  46. Intermediate Timing Chain Gear fit
  47. Fuel pressure jumping up and down on my 1998 Eldorado
  48. Mystery klanking sound.. over 200K N*
  49. GUZZLING GAS!!! 2000 Deville...
  50. 96 Northstar Build
  51. Misfire - 2001 Deville
  52. To fix the Blown Head Gasket, how hard is it if DIY?
  53. Help-Broke Oil Pressure Switch wires while replaceing CKP's 03 Deville
  54. Piston detonation evidence - 1998 Northstar
  55. Coolant crossover
  56. Northstar V8 and 4T80E questions
  57. 2002 SLS Code P 0401
  58. DTS oil level and change oil soon messages
  59. Rough Idle After Retiming.
  60. Yet another oil question - mix SAE 30 with 10W-30 ?
  61. No acceleration... 2000 Deville
  62. Northstar Manual Transmission Possibility?
  63. Idling Trouble for 2004 Deville
  64. Timing chain issue, not lining up? stretched chain possibly?
  65. Rough idle/shuddering and misfires...2004 SRX Northstar
  66. Northstar oil flow diagram - oil in a head bolt hole
  67. Coolant Temperature Problem
  68. SES Light - codes P0171 & P0174 - 2004 Seville
  69. Oil filter
  70. Used Northstar powertrains-FS
  71. production codes
  72. radiator cooling in cold temps
  73. Can anyone identify this?
  74. 2005 Northstar Knock on Start Up
  75. Swap engine from 2006-2007 into 2000 DTS ?
  76. 1994 Concours - head gasket replacement ?
  77. p0154/0151
  78. Engine cover removal
  79. Northstar Overheating Problem- Is it possible to live with or even avoid...?
  80. oops ruined a couple studs by accident
  81. Looking for a cartridge style rear main seal installer
  82. need a new motor!
  83. cataclean info
  84. Northstar Performance SLOW!!!!!!!!!!!!!!
  85. CODES of past ,present,future?
  86. CKP & OP Sensors AND Oil Filter Adapter Sealing, Servicing - Candidate 4 Sticky
  87. 1998 Eldorado failed HG
  88. need a little advice on what im looking at
  89. 97 Concours won't start now
  90. 1997 ETC engine performance upgrades
  91. 2006-2009 DTS Common Problems
  92. Engine randomly stalls when it rains and ran into another problem
  93. Pre-'05 4T80E Torque Converter Upgrade from viscous silicone to '05-later EC3?
  94. Looking for Northstar experts in or around Atlanta, GA
  95. Northstar water pump 2006-2011
  96. STP High mileage oil additive.
  97. Re: 2000+ Northstar Plenum Replacement steps
  98. NO oil war just info on dexos,please
  99. The Stumbling, The Codes and The Solution
  100. Engine knock after rebuild 2005 northstar
  101. 01 STS - Head Gasket - Perm or Temp/Quick Fix Solution
  102. Main Cap Bolt broken in block, UGHH.
  103. location of starter
  104. 1995 STS starter questions and seeking advice
  105. dog bones life span
  106. Engine parts cleaning during overhaul
  107. 2000 STS Northstar coolant problems
  108. Transaxle leaking
  109. Northstar head gasket problem
  110. 2000 Deville Code P0741 & P1860
  111. Motor Mounts
  112. Just bought a 99 Deville - question about the oil
  113. Buyer beware
  114. HOW TO: Change surge tank (and coolant) on a 96 VIN Y DeVille
  115. tapping sound
  116. hard shifting
  117. hard start, hi reving cadillac after storage
  118. oil leak. water pump camshaft
  119. 1998 caddy STS fixed wp pulleys & belt. More issues!!!
  120. Northstar - any thoughts or advice ????
  121. More big props to joe
  122. Plenum Issue??? AIR system issue ???
  123. 1999 Deville PCM codes - can you tune it?
  124. Overheating Northstars and bleeder valves
  125. How do you find tdc on cylinder #1 using timing marks?
  126. Cadillac Deville 2000 plugs and boots
  127. 2000 STS code 9 swapping to 2001 Y code engine
  128. 1996 STS - P1406 DTC with bucking and hesitation
  129. Quick and Dirty 97 Deville HG Job
  130. Check engine light won't go away???
  131. How do I drain ALL the coolant?
  132. High Mileage engine oil question
  133. Northstar Head/Engine removal
  134. A question for the more experienced N* gear-heads on site. Gasket or rings?
  135. Torque Spec for ARP Studs in Northstar
  136. Unusual noises or am I crazy?
  137. Exhaust parts needed
  138. CF chips
  139. Oil percentage - OLM information
  140. False Overheating?
  141. Issues Removing Crank Pulley
  142. Having HG problems and ordered NORTHSTAR PERFORMANCE studs...
  143. help with removing engine from 97 deville
  144. Oil Drain plug seized...can you use an air impact to remove without damage?
  145. 97 Deville Won't Start
  146. 2003 STS Idle/MAF/Coolant temp issues/Driving itself
  147. smokey the bandit!
  148. Engine misfire at certain times of the day - 2003 STS
  149. Can I use regular torque numbers on my cylinder heads?
  150. Concerns with my 1997 Northstar Engine
  151. 99 Deville Concours with cracked block!
  152. heater tube connection leak
  153. How To Remove Heater Core Hoses ? - 1997 Deville
  154. Northstar rev limiter
  155. New Owner 93 Eldorado pic. ? about HG issues in the early Northstars
  156. Is this the worst rusty engine you have seen?
  157. small coolant drip where sensor mounts
  158. Best way to flush cooling system
  159. For those that wish to "plug in & play"....late 90's N* crate engine
  160. 4.0 Northstar Performance Upgrade
  161. Seeking N* help in VA.....
  162. 98 Deville D'Elegance Stays At 222 F
  163. 1998 Eldorado - DexCool mix
  164. Size of hose used to connect heater line tubing
  165. 99DeVille_NrthSt*r's Project Thread
  166. 97 Deville Concours - Rough Starting
  167. Top pullers, I need help with a bolt
  168. 99 DeVille Electrical Harness
  169. Northstar Performance - Cylinder Head Studs. Stock Issues Resolved.
  170. 96 deville crossover gasket
  171. The best sealant for the oil pan gasket
  172. Vacuum Leak after WOT (P0101) - 2003 STS
  173. Does anyone know a good Cadillac mechanic in the NYC area
  174. Great deal on Rear Main Seal installer... but better hurry!
  175. Head Gasket Kit Verification
  176. Is it worth it?
  177. Results of coolant in oil
  178. 2000 Deville shakes at Idle, No DTC's
  179. Engine block cracked - Northstar Performance, where are you ?
  180. Cradle swapping possibilities
  181. Non Production VVT Northstar
  182. Jake Northstar Performance - stud problems
  183. Update on remanufactured Northstar Performance engine. 1 year later
  184. Head Gasket Questions
  185. Another overheating northstar....
  186. Northstar interesting stuff....
  187. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  188. Northstar Water Pump Housing Replacment
  189. my 1995 Cadillac Eldorado Overheating
  190. Seafoam - do you use it?
  191. Another N* Oil Pump question
  192. 2005 DTS Head gasket still a problem?
  193. Gforce performance "chip" ?
  194. SureGrip studded Eldo for sale?!!
  195. I'm relocating,,,,new complaints section....
  196. Remote key fob
  197. oil manifold question
  198. How do you clean ring grooves on pistons?
  199. Video. For those who want to see CNC machining in action.
  200. Plugs - Spark plugs for a Northstar ??
  201. Want To Buy N* stud tool kit
  202. What happened? Stored 1996 Deville engine knock
  203. Northstar head gasket repair
  204. WOT problem and P0300 - 2000 Eldorado
  205. Marks Turbocharged 99 STS
  206. water pump leak after replacing pump/seal
  207. Missing shield in cam cover?
  208. tight northstar cam chain
  209. front motor mounts
  210. northstar studs
  211. 2000 Deville - high pitched whistle
  212. 99 Deville HG job 4-2012
  213. I have a set of studs available if someone needs them thanks to my previous thread
  214. DIY Northstar Head Gasket / Crankcase Leak Repair
  215. 1997 Seville temperature problems
  216. Don't Wait More Than 120 days
  217. How to tell if head gaskets have been done before?
  218. Need top compression ring 98 N*....ugghhh
  219. 18mm Northstar Crankbolt needed
  220. 98 Eldorado replacing Engine Torque Mounts
  221. Troubleshooting help
  222. New Northstar Crate Engine
  223. Valve stem seal tool?
  224. Code P070 with stalling and surging-TPS or ISC?
  225. Huge thanks to Joe at Midwest Cadillac Repair
  226. Factory air intake question
  227. Bent pushrod - valvetrain noise ?
  228. '01 DTS Misfire.
  229. Thread size for Jake's studs?
  230. Drive Train Hum & No Overdrive
  231. Towing in third gear
  232. 2004 Deville PCM
  233. 01 Deville OverHeating Issue
  234. Please help diagnose my cooling system problem
  235. Overheating
  236. Is there an alternate way to lock the flywheel?
  237. northstar stud kit
  238. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  239. Coolant Reservoir Overflow Line
  240. N* Upper to Lower block half sealing procedure.
  241. To re-seal or not?
  242. How do you SAFELY clean the valve covers?
  243. 98 ETC Head Gasket project started today...
  244. 2002 Eldorado ETC Head Gasket Project
  245. 97 N* Crank Pulley / Oil Pump Torque setting
  246. WP cam price
  247. 2001 Deville VIN Y - head gasket repair on Long Island ?
  248. Anyone want to compare MAF readings?
  249. Wheres Jake? We need studs and engines !!!
  250. serp belt