: Northstar Engines and System Technical Discussion



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  1. Transmission Pressure Control Solenoid 4T80E
  2. Worn Engine Mounts?
  3. strip thread in block
  4. Cadillac techs, can we visit you?
  5. Why remove the strut brace?
  6. oil filter adapter housing broke!
  7. Head gasket
  8. '97 Northstar MAF location and codes
  9. 94 4.6L Northstar stalls after warmup
  10. P024 - current 93 n* 4t80e trans.
  11. Fuel line?/Vacuum Line?
  12. 1993 4T80-E Transmission
  13. 65k mile service
  14. 4.6L Northstar Rattle
  15. '93 North* Glitch out of hand!
  16. 94 Concours Engine Clatter
  17. Any idea what part this is..urgent
  18. 94 N* overheating and leaking -bubba move
  19. What does a missfire feel like?
  20. 94 Concours leaking oil question
  21. Coil Pack Replacement
  22. 4.0L Northstar, more related to vin Y or vin 9?
  23. Converting a Y engine to a 9 in 97 STS
  24. '93 North* RUBBER PARTS!!!!!
  25. Ignition Ground Voltage
  26. Water in the valley
  27. Head Gasket Repair
  28. Would it be worth it?.
  29. TC defeat in 1st gear
  30. Yellow anti-freeze ?. (sorry)
  31. Where is the radiator drain plug?
  32. 4.9L? How can I tell?
  33. My 2 day old SLS is giving me some strange problems
  34. oil overfilled
  35. Reseting the ECU and PCM
  36. Just bought a used 1999 Deville 4.6L
  37. WOT vs HG preservation
  38. 03 Deville Filter Adapter Oil Leak
  39. Towing a FWD N* vehicle on 4 wheels
  40. Coolant in my Oil
  41. Northstar Repair without inserts
  42. 93 eldo northstar engine missing
  43. Help me understand...
  44. 97 sts cadillac turns over, will not start
  45. It overheated again - any idea why?
  46. What should I do about this 1997 Eldorado ETC?
  47. 96' Seville HG Problems.. :-(
  48. 97 SLS hard to start when warm
  49. How does this engine sound?
  50. HELP ASAP Need to Identify Engine in 97 sts
  51. 2000+ Northstars look different??
  52. cylinder guide pin removal
  53. 03 seville pcv location
  54. Are 00+ northstars slower than <99??
  55. 4.6 Northstar doining very strange
  56. engine boggs when accelerator is stepped on quickly
  57. do you have to pull motor to do head gaskets, can it be done in the car
  58. Thinking about a K&N cold air intake...
  59. northstar drive shaft problems, probably damaged bearing
  60. question on my 95 deville concours. heat gone out and check engine light....
  61. Are Northstar Heads Rebuildable? Or disposable?
  62. Water pump tensioner catastrophic failure?
  63. My Northstar HG project
  64. She's runnin' HOT captain.....
  65. Intake manifold
  66. How Can I prevent a blown head gasket problem
  67. steam out of tailpipes
  68. 93 STS cooling system/h-gasket problem
  69. Hard shifting and codes 0719 and 0732?
  70. 2000 devile Northstar 4.6 running hot
  71. Repairs to a 4T80E after 600+ hp
  72. Water crossover re-assembly
  73. Electric fans arent coming on / overheating
  74. 94 sts key stuck wont start
  75. Overheating problem...
  76. Engine surges?
  77. Front Bank Misfire
  78. Drag tips or suggestions for 03 DTS.
  79. looking for plug wires
  80. Eldorado Dog Bones on a STS/DTS
  81. Permanent HG Repair - Give an old N* new life
  82. 1999 Eldorado engine whine
  83. Where is oil filter?
  84. 95 Eldorado stalling
  85. P0300 code....AGAIN!
  86. 2 northstars ?
  87. Smoke after shutdown... Classic N* oil leak issue?
  88. Heal-a-seal
  89. Northstar Cold idle Knock?
  90. intermittent issue with burning smell
  91. Update on Turbo 99STS
  92. Aurora 4.0 V8
  93. 97 SLS engine problem
  94. Car will not start, backfired smoke form under hood on pass. side
  95. LOW COOLANT warning
  96. A list of factory stock quarter mile times?
  97. Northstar engines are a joke
  98. Please help with eratic idle!!!!!!!!!!
  99. Volkswagen Northstar ????
  100. Air Fuel Ratio on Narrow-Band O2 Sensor
  101. Did I Post This Question in The Wrong Place?
  102. small coolent leak
  103. mechanical oil pressure gage sending unit location
  104. Fuel rail
  105. Where is the PCM
  106. Two more codes ?
  107. 02' DHS overheating!!!!
  108. 2000 Deville Code P1860
  109. Head gasket repair "corpus christi, tx"
  110. OBD2 Scantool for Northstar Engine to monitor knock?
  111. Northstar Gas Mileage
  112. Help ASAP:will 96/97 power train exchange?
  113. Repair head gasket Or buy remanufactured eng
  114. 2000 STS Head gasket problem?
  115. 2001 STS motor mount?
  116. wrong alternator
  117. Another P1860/P0741 repair
  118. 2001 Seville Water pump?
  119. Information on P0741 & P1860. 1998+
  120. Philistines
  121. Opinions on N* nitrous use.
  122. 97 deville hard starting, no codes
  123. oil cooler
  124. Blown Head Gaskets?
  125. I need a water pump drive pulley please help
  126. Intake Backfire
  127. Dyno Run
  128. Replaced Engine 99 STS a few electrical issues!!!
  129. Drivetrain Efficiency
  130. What Gas Are You Using?
  131. pulled code pcm0443
  132. 05 sts v8 engine light
  133. Please Help P300
  134. Almost ready to go
  135. p0308 misfire, trying to find problem
  136. The use of Aftermarket reusable air filters
  137. Fuel pump :(
  138. Head gaskets X 2
  139. Long-term fuel trims up during deceleration
  140. Oil pressure after HG repair
  141. 240mph wooden car gets reversed flow NorthStar
  142. 98 sts stalling..aj..ranger...sub...help
  143. Water pump pulley disintegrating
  144. Regapping platinum plugs & best NA performance gap
  145. Head Gaskets Cause Coolent to Boil? And Repairs
  146. Engine swap
  147. Headgasket Vendor
  148. trans leak from a 4-80
  149. Loctite Red Gel REMOVAL!!!!!
  150. Service Emission System - No Acceleration
  151. Smoke
  152. 1996 Deville hard start and fuel pressure specs
  153. Doing my own head gasket
  154. 1997 cadillac deville performance?????
  155. 2005 STS with over 100k miles
  156. cadillac eldorado overheating but no oil in water
  157. 95 SLS w/ P076 Code - Trans pressure
  158. Where do you get Norms inserts?
  159. Engine heats up at idle (99 STS)
  160. Have two questions. Was looking around and found a leak.
  161. p1520 Trans Circuit
  162. Headgasket Fix for $1250
  163. Is it a head gasket?
  164. seriously clogged purge line! need help!
  165. Almost Overheating - is this Head Gasket ?
  166. Could Use Some Insight
  167. OBD Code E-119
  168. Deville Motor Swap 1997 to 1997 sts
  169. Took on my friend's LS1 *VID*
  170. 94 northstar cooling issue
  171. OIL FILTER/oil/AIR FILTER? What do you use on your N*?
  172. Time-sert kit
  173. 95 SLS Water Pump Removal Impact Wrench or Not?
  174. 2000 Deville Mechanical Issues *HELP*
  175. Can this be possible?
  176. looking for spark plugs
  177. need correct belt size to bypass ac comp on 97 concours
  178. DYI or NOT, Blown waterpump housing gasket
  179. Northstar 4.0 Aurora 97 interchangability
  180. Programmable ECU for STS 4.6L?
  181. Rough Idle Question For Ewill3rd
  182. Bought a Timesert kit on Ebay, what else do I need to install Norms inserts?
  183. loss of power overheating issues HELP
  184. What Anti-Freeze
  185. 50 Deville - Code = P0300 current
  186. New Owner/Member w/ n*star question
  187. P0300 - Timing Off
  188. intake gaskets
  189. Northstar 4.6 Coolant loss - but only under load
  190. 2000 deville or 1997 eldorado
  191. Northstar head gasket failures
  192. GM Top Engine Cleaner
  193. Coolent Temp
  194. Going to the track
  195. N* cylinder numbers
  196. Witnessed some component fail, what to do?
  197. Overhaeting Or Not or Maybe PLEASE HELP
  198. Non ACDelco Part?
  199. Electrical Problems With 94' Seville
  200. No HI cooling fan speed?
  201. Where to cut?? cradle bolt just spins
  202. engine ID
  203. Timing Chain Slack
  204. 2000 Deville Head gasket?
  205. 2000 Dts Front Engine Mount - Best Way To Change?
  206. coolant level deville 98
  207. Drag Race Calculator...
  208. engine swap pipe dreams
  209. Ingnition MAx Fuse burns out to stall 99 deville
  210. 98 sts what fits
  211. Northstar engine performance in my 01' DeVille DHS
  212. starter woes
  213. Intermittent spark loss on random coils 94' STS
  214. Disable the SIR
  215. Can you pull the front head with the engine in the car?
  216. Mechanics - Chicago area - Help
  217. Northstar Plenum Woes
  218. How to change pulley
  219. Engine to trans. bracket locations
  220. Is this an LT5
  221. 2001 Northstar in a 93 sts?
  222. no spark
  223. 1994 Cadillac STS
  224. Manifold or water pump causing overheating???
  225. Northstar crank sensor locations
  226. Quick engine swap question
  227. Solid Front Engine Mounts
  228. 98 deville no blower motor
  229. Still overheating
  230. Serpentine Belt
  231. couple of cooling sistem questions
  232. How many gallons Dex-Cool will I need.....
  233. oil can lite on and engine shuts down
  234. cat recomendations
  235. Therma Gasket Fixed My Head Leak
  236. Ignition Module Pin Out
  237. HG or paranoia?
  238. 2000 SLS keeps stalling
  239. another n* head gasket question
  240. Do you know what this part is?
  241. N* dissassembled engine found
  242. This Is Not a Joke
  243. My Rough Idle Story, So Far...
  244. 02 SLS running rough after pulling air box silencer
  245. 97 SLS N* Overheating quickly
  246. '95 STS Stuck in 3rd Gear
  247. 98 Deville non-functional engine cooler fan
  248. Post up your NORTHSTAR GAS MILEAGE (CTY/HWY) PLZ!
  249. 300hp N* to a Base N*
  250. Added my 99 STS to the HeadGasket poll...