: Northstar Engines and System Technical Discussion



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