: Northstar Engines and System Technical Discussion



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  1. 2000 DTS - Overheating Issues
  2. 2001 Northstar piston to rod orientation?
  3. Should I clean my EGR valve also replace air pump
  4. Best transmission for a Northstar to LaSalle Street Rod swap
  5. Would these chain tensioners cause excessive engine noise?
  6. Rebuilt 4.6 from Davis Auto Repair or Cadillac Doctor
  7. Real bad oil leak!
  8. P0719how much coukd this code cost me
  9. Drink coasters from engine cover emblems.
  10. Strange compression test results, oil inside intake manifold & smoke !!
  11. Bore heads for larger headbolts or stud/insert ?
  12. Diffrence from 2000 and 2006 northstar engine?
  13. Exxon valdez
  14. 97 ETC Head Gasket Project
  15. 1998 Deville Northstar - ready to get my hands dirty
  16. Northstar V-8 Engine - Gasoline Issue
  17. Engine shaking
  18. Piston pin
  19. Northstar cam timing and chain problem
  20. Small Oil Leak and Smell in 2000 Cadillac Deville
  21. Are 2001 y code transmissions AAN and VAN interchangeable?
  22. Crank question
  23. Where Does This Bracket Go??
  24. LD8 non-interference motor?
  25. Losing Compression
  26. where is thermostat
  27. Issues with code P 0411 - 2006 DTS
  28. 96 Deville won't idle down, hard start and backfires when cold
  29. 99 DeVille D'elegance
  30. Northstar build
  31. Intermediate Timing Chain Gear fit
  32. Fuel pressure jumping up and down on my 1998 Eldorado
  33. Mystery klanking sound.. over 200K N*
  34. GUZZLING GAS!!! 2000 Deville...
  35. 96 Northstar Build
  36. Misfire - 2001 Deville
  37. To fix the Blown Head Gasket, how hard is it if DIY?
  38. Help-Broke Oil Pressure Switch wires while replaceing CKP's 03 Deville
  39. Piston detonation evidence - 1998 Northstar
  40. Coolant crossover
  41. Northstar V8 and 4T80E questions
  42. 2002 SLS Code P 0401
  43. DTS oil level and change oil soon messages
  44. Rough Idle After Retiming.
  45. Yet another oil question - mix SAE 30 with 10W-30 ?
  46. No acceleration... 2000 Deville
  47. Northstar Manual Transmission Possibility?
  48. Idling Trouble for 2004 Deville
  49. Timing chain issue, not lining up? stretched chain possibly?
  50. Rough idle/shuddering and misfires...2004 SRX Northstar
  51. Northstar oil flow diagram - oil in a head bolt hole
  52. Coolant Temperature Problem
  53. SES Light - codes P0171 & P0174 - 2004 Seville
  54. Oil filter
  55. Used Northstar powertrains-FS
  56. production codes
  57. radiator cooling in cold temps
  58. Can anyone identify this?
  59. 2005 Northstar Knock on Start Up
  60. Swap engine from 2006-2007 into 2000 DTS ?
  61. 1994 Concours - head gasket replacement ?
  62. p0154/0151
  63. Engine cover removal
  64. Northstar Overheating Problem- Is it possible to live with or even avoid...?
  65. oops ruined a couple studs by accident
  66. Looking for a cartridge style rear main seal installer
  67. need a new motor!
  68. cataclean info
  69. Northstar Performance SLOW!!!!!!!!!!!!!!
  70. CODES of past ,present,future?
  71. CKP & OP Sensors AND Oil Filter Adapter Sealing, Servicing - Candidate 4 Sticky
  72. 1998 Eldorado failed HG
  73. need a little advice on what im looking at
  74. 97 Concours won't start now
  75. 1997 ETC engine performance upgrades
  76. 2006-2009 DTS Common Problems
  77. Engine randomly stalls when it rains and ran into another problem
  78. Pre-'05 4T80E Torque Converter Upgrade from viscous silicone to '05-later EC3?
  79. Looking for Northstar experts in or around Atlanta, GA
  80. Northstar water pump 2006-2011
  81. STP High mileage oil additive.
  82. Re: 2000+ Northstar Plenum Replacement steps
  83. NO oil war just info on dexos,please
  84. The Stumbling, The Codes and The Solution
  85. Engine knock after rebuild 2005 northstar
  86. 01 STS - Head Gasket - Perm or Temp/Quick Fix Solution
  87. Main Cap Bolt broken in block, UGHH.
  88. location of starter
  89. 1995 STS starter questions and seeking advice
  90. dog bones life span
  91. Engine parts cleaning during overhaul
  92. 2000 STS Northstar coolant problems
  93. Transaxle leaking
  94. Northstar head gasket problem
  95. 2000 Deville Code P0741 & P1860
  96. Motor Mounts
  97. Just bought a 99 Deville - question about the oil
  98. Buyer beware
  99. HOW TO: Change surge tank (and coolant) on a 96 VIN Y DeVille
  100. tapping sound
  101. hard shifting
  102. hard start, hi reving cadillac after storage
  103. oil leak. water pump camshaft
  104. 1998 caddy STS fixed wp pulleys & belt. More issues!!!
  105. Northstar - any thoughts or advice ????
  106. More big props to joe
  107. Plenum Issue??? AIR system issue ???
  108. 1999 Deville PCM codes - can you tune it?
  109. Overheating Northstars and bleeder valves
  110. How do you find tdc on cylinder #1 using timing marks?
  111. Cadillac Deville 2000 plugs and boots
  112. 2000 STS code 9 swapping to 2001 Y code engine
  113. 1996 STS - P1406 DTC with bucking and hesitation
  114. Quick and Dirty 97 Deville HG Job
  115. Check engine light won't go away???
  116. How do I drain ALL the coolant?
  117. High Mileage engine oil question
  118. Northstar Head/Engine removal
  119. A question for the more experienced N* gear-heads on site. Gasket or rings?
  120. Torque Spec for ARP Studs in Northstar
  121. Unusual noises or am I crazy?
  122. Exhaust parts needed
  123. CF chips
  124. Oil percentage - OLM information
  125. False Overheating?
  126. Issues Removing Crank Pulley
  127. Having HG problems and ordered NORTHSTAR PERFORMANCE studs...
  128. help with removing engine from 97 deville
  129. Oil Drain plug seized...can you use an air impact to remove without damage?
  130. 97 Deville Won't Start
  131. 2003 STS Idle/MAF/Coolant temp issues/Driving itself
  132. smokey the bandit!
  133. Engine misfire at certain times of the day - 2003 STS
  134. Can I use regular torque numbers on my cylinder heads?
  135. Concerns with my 1997 Northstar Engine
  136. 99 Deville Concours with cracked block!
  137. heater tube connection leak
  138. How To Remove Heater Core Hoses ? - 1997 Deville
  139. Northstar rev limiter
  140. New Owner 93 Eldorado pic. ? about HG issues in the early Northstars
  141. Is this the worst rusty engine you have seen?
  142. small coolant drip where sensor mounts
  143. Best way to flush cooling system
  144. For those that wish to "plug in & play"....late 90's N* crate engine
  145. 4.0 Northstar Performance Upgrade
  146. Seeking N* help in VA.....
  147. 98 Deville D'Elegance Stays At 222 F
  148. 1998 Eldorado - DexCool mix
  149. Size of hose used to connect heater line tubing
  150. 99DeVille_NrthSt*r's Project Thread
  151. 97 Deville Concours - Rough Starting
  152. Top pullers, I need help with a bolt
  153. 99 DeVille Electrical Harness
  154. Northstar Performance - Cylinder Head Studs. Stock Issues Resolved.
  155. 96 deville crossover gasket
  156. The best sealant for the oil pan gasket
  157. Vacuum Leak after WOT (P0101) - 2003 STS
  158. Does anyone know a good Cadillac mechanic in the NYC area
  159. Great deal on Rear Main Seal installer... but better hurry!
  160. Head Gasket Kit Verification
  161. Is it worth it?
  162. Results of coolant in oil
  163. 2000 Deville shakes at Idle, No DTC's
  164. Engine block cracked - Northstar Performance, where are you ?
  165. Cradle swapping possibilities
  166. Non Production VVT Northstar
  167. Jake Northstar Performance - stud problems
  168. Update on remanufactured Northstar Performance engine. 1 year later
  169. Head Gasket Questions
  170. Another overheating northstar....
  171. Northstar interesting stuff....
  172. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  173. Northstar Water Pump Housing Replacment
  174. my 1995 Cadillac Eldorado Overheating
  175. Seafoam - do you use it?
  176. Another N* Oil Pump question
  177. 2005 DTS Head gasket still a problem?
  178. Gforce performance "chip" ?
  179. SureGrip studded Eldo for sale?!!
  180. I'm relocating,,,,new complaints section....
  181. Remote key fob
  182. oil manifold question
  183. How do you clean ring grooves on pistons?
  184. Video. For those who want to see CNC machining in action.
  185. Plugs - Spark plugs for a Northstar ??
  186. Want To Buy N* stud tool kit
  187. What happened? Stored 1996 Deville engine knock
  188. Northstar head gasket repair
  189. WOT problem and P0300 - 2000 Eldorado
  190. Marks Turbocharged 99 STS
  191. water pump leak after replacing pump/seal
  192. Missing shield in cam cover?
  193. tight northstar cam chain
  194. front motor mounts
  195. northstar studs
  196. 2000 Deville - high pitched whistle
  197. 99 Deville HG job 4-2012
  198. I have a set of studs available if someone needs them thanks to my previous thread
  199. DIY Northstar Head Gasket / Crankcase Leak Repair
  200. 1997 Seville temperature problems
  201. Don't Wait More Than 120 days
  202. How to tell if head gaskets have been done before?
  203. Need top compression ring 98 N*....ugghhh
  204. 18mm Northstar Crankbolt needed
  205. 98 Eldorado replacing Engine Torque Mounts
  206. Troubleshooting help
  207. New Northstar Crate Engine
  208. Valve stem seal tool?
  209. Code P070 with stalling and surging-TPS or ISC?
  210. Huge thanks to Joe at Midwest Cadillac Repair
  211. Factory air intake question
  212. Bent pushrod - valvetrain noise ?
  213. '01 DTS Misfire.
  214. Thread size for Jake's studs?
  215. Drive Train Hum & No Overdrive
  216. Towing in third gear
  217. 2004 Deville PCM
  218. 01 Deville OverHeating Issue
  219. Please help diagnose my cooling system problem
  220. Overheating
  221. Is there an alternate way to lock the flywheel?
  222. northstar stud kit
  223. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  224. Coolant Reservoir Overflow Line
  225. N* Upper to Lower block half sealing procedure.
  226. To re-seal or not?
  227. How do you SAFELY clean the valve covers?
  228. 98 ETC Head Gasket project started today...
  229. 2002 Eldorado ETC Head Gasket Project
  230. 97 N* Crank Pulley / Oil Pump Torque setting
  231. WP cam price
  232. 2001 Deville VIN Y - head gasket repair on Long Island ?
  233. Anyone want to compare MAF readings?
  234. Wheres Jake? We need studs and engines !!!
  235. serp belt
  236. Question about the Northstar PCM
  237. 96 Sedan De Ville V8 Northstar Over Heating
  238. po 300, po 507 need help asap!!
  239. 1997 STS N* connecting rod stamped number
  240. Is there an on-line breakdown of N* engine parts with GM part numbers?
  241. Torque specs on fasteners - torque angle?
  242. Northstar headbolt spacing/ pattern
  243. 95 eldorado 8th letter of vin is y
  244. Recently purchaced 2003 Cadillac Dev
  245. engine swap for a 2000 dts to a 2003 devell can it work i
  246. Jake, I REALLY, REALLY want to give you some money!
  247. Saga of a naive Head Gasket repair
  248. Cracked block!!!!
  249. What causes a headgasket failure?
  250. Spark advance/knock - What is tolerance?