: Northstar Engines and System Technical Discussion



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  1. I Need help were these brackets go
  2. Intermittent "battery not charging" red indicator
  3. Head Deck Surface - Second Opinion Needed
  4. LH2 on LS mounts with a T56?
  5. 1995 Eldorado pops on acceleration, no idea what it is.
  6. no water moving 1999 seville
  7. Main bolt seats - necessity to re-thread
  8. Headgaskets and VCC to TCC
  9. 2002 DHS blown head gasket removal without removing engine
  10. Blown Head Gasket Parts Advice - 2001 DTS
  11. Head gasket failure - how it become
  12. 05 Deville Timing chain guide failure and gray oil
  13. 1999 Northstar head gasket sets - price on ebay
  14. 1999 Northstar head bolt thread repair questions
  15. 2004 SRX Idler pulley ripped out of block
  16. 1995 Eldorado hesitates a little on acceleration between 1500-2000 rpm
  17. Re-ring kit - what size to choose?
  18. Oil manifold plate unorthodox treatment
  19. Overhauling - bolts?
  20. Crack or casting imperfection?
  21. Timing Chain Guide\Tensioner "Toppings" - how to call and where to buy?
  22. 1999 Seville overheats when going up long grades
  23. Seville 2003, Code P0300 right after changed upper radiator hose
  24. FPR Vacuum Hose ?
  25. Coolant system message
  26. 1997 Northstar Eldorado - possible blown head gasket
  27. Northstar timing
  28. A poser - differential diagnosis: blown head gasket or bad coil pack (or injector)
  29. Doing head gaskets in frame
  30. 2002 Northstar hearse overheat?
  31. Losing coolant, rough running @ start-up
  32. Considering a HG fix + a possible budget rebuild
  33. Cylinder #8 Misfire, changed plugs & coil, now what?
  34. Northstar FWD or RWD owner? You NEED to study this!
  35. Northstar engine and head gasket issues
  36. Preventative water pump replacement ??
  37. 2005 Deville - Remove and Install Fuel Injectors
  38. How to evaluate a northstar before buying?
  39. how do you remove steering coupling from steering gear and ABS modulator 99 Eldorado
  40. What company make a good head gasket for the northstar engine
  41. 2002 DTS - A/C compressor clutch cycle?
  42. Which HG repair is the best GM time sert,NS300L Insert or SureGrip Head Stud Kit
  43. need information how to best and easy way to remove a engine for a 99 Eldorado
  44. 1995 4t80e output shaft came out with axle shaft?
  45. 1996 El Dorado engine knocking?
  46. My 2001 Deville's Engine is Overheating
  47. Did Cadillac fix the head bolt problem in 2005 northstar ?
  48. 4.6 Swap into 68 Deville
  49. 04 Deville - 1,3,5,7 misfiring
  50. 1996 - 2003 Northstar head bolt torque specs
  51. 2000 STS head bolt torque specs question and head photos
  52. 95 STS Northstar idles up and down pretty much all the time
  53. rear ignition cassette removal-2001
  54. Aurora L47 V8
  55. 4T80E Shift Kits?
  56. Northstar pre oil change cleaners / additives
  57. 4T80E Transmission will not engage (in any gear front or back)
  58. 2000 Eldorado Engine Noise
  59. Keeping 1st gear with T/C off on the 96-99 Northstars - Tuning update
  60. water pump removal
  61. Rear main seal question...
  62. NorthStar Top End Teardown in Car - Cylinder Head Insert Repair
  63. 1997 Northstar insert and timing help
  64. Check Engine Light won't go off - 2003 DTS
  65. Cylinder Compression
  66. P0300 - Misfires on cyls 1 and 2
  67. What's this gasket?
  68. torx size for studs studs
  69. 2000 Deville Now Burning A Quart Every 300 Miles Now What? 115k
  70. Odd possible HG failure - 2003 STS
  71. Check Coolant Level
  72. 1997 Deville Possible topend, maybe full rebuild!
  73. 2001 SLS Ignition Coil Packs
  74. Possible Head Gasket 2001 Deville
  75. 01 Overheating; suspect coolant flow Please advise.
  76. 2005 Deville Head Gasket
  77. Northstar thermostat housing leaks, possible overheating
  78. 2009 DTS 100,000 miles - burning oil smell
  79. Northstar timing chain tensioners
  80. 2000 DeVille - high temps, possible head gasket leak
  81. Hello all, I have an intake question
  82. valve roller rockers-2001
  83. Northstar block question
  84. Snakes
  85. Freeze Plugs
  86. Oil filer adapter o rings and oil level tube o ring
  87. LD8 vs LH2/LC3 Exhaust Flange
  88. Another Overheating question
  89. Cleaning Carbon Deposits on pistons/rings ??????
  90. 06 Luceren Northstar V8 overheating and heater core coolant leakage?
  91. P0140 after New Sensor
  92. freeze spray for guide pin removal
  93. Swap question
  94. Swapping a Y for a 9-2001
  95. Engines - 2001 SLS with cracked block
  96. 2000 STS wont start
  97. I cant get the front valve cover off a 1999 Seville Northstar
  98. trouble code P0175
  99. 2000 deville won't start due to gears
  100. 06 SRX N* VVT Part identification
  101. Building a 1996 Northstar base Deville engine
  102. 2005 Northstar Lifters Ticking
  103. Recommended spark plug for 2001 Northstar
  104. Rad Fan Diagnosis - 1997 SLS
  105. Deville cooling fans problem
  106. Best gasket/bolt kit for 1999 Northstar head job
  107. Cadillac Deville Engine swap 95 in a 98
  108. 99 Deville 4.6 Northstar - left intake camshaft replace
  109. 2000 STS with P0300 #4 - misfire - valvetrain damage
  110. 2002 Deville - P 0741 alone, long trip ?
  111. Head Gasket dilemma -- 1999 Deville
  112. 02 deville overheated and now starts rough for about 10-20 seconds
  113. Pros and Cons Of A Northstar
  114. Chevron Techron Usage
  115. 2002 STS Head Gasket repair... and more?
  116. 2000 Deville - Coolant leak from overflow tube
  117. Cassette Bolts
  118. Help, car won't start!
  119. 4T80E Fluid level
  120. Just curious ...
  121. 95 Vin9 transmission
  122. This sounds BAD... 2004 Deville Northstar with ticks and rattles
  123. 1998 STS some oil use, drips of oil every couple days & suspect head gasket
  124. Fuse issues - 1996 SLS injector circuits
  125. Oil leak at head.
  126. 94 Concours with First Generation Northstar
  127. Motor Rebuild Problem
  128. power steering
  129. 1999 Deville - P 0404 but I do not think its the EGR Valve
  130. New to me 08' DTS service question.
  131. 2011 Northstar HG
  132. Need a recommended Northstar rebuilder for purchase of new engine for my 01 deville.
  133. Details regarding the P0741 fix and engine reseal, Seville -99
  134. Guys:How many miles does your N* Motor have, WITHOUT ever doing a HeadGasket repair??
  135. 1996 Engine Swap
  136. 2004 DHS - plugs, coils changed - severe miss is back
  137. drill plate for studs
  138. Putting a NorthStar together in a 96 Deville. Need couple a bolts and some pictures.
  139. priming the oil system
  140. 1996 Deville - coolant leak
  141. Can you identify this bellhousing?
  142. code Y or 9-how do you tell on an '01?
  143. What brand of starter?
  144. Can plug wires deteriorate just from age?
  145. 300,000 mile Northstar
  146. Northstar 4.6 in a 2008 Cheverlot Silverado 1500 LS?
  147. Help Identifying This Throttle Body
  148. prefered oxygen sensor
  149. Antifreeze northstar motor
  150. easy test for blown head gasket
  151. Bank 1 Sensor 1; 96 Deville
  152. Anti-seize on spark plugs?
  153. 2003 STS intermittant P0101
  154. Lower crankcase seal job...
  155. Northstar Mechanics Near Venice, FL
  156. Northstar years - good and bad ?
  157. Is this the original engine in my car
  158. 2000 Deville - possible overheating ??
  159. 1999 deville - new water pump leak
  160. Northstar engine in 2006 Buick Lucerne Issues
  161. Great site for northstars
  162. To dex or not to dex, that is the question
  163. 2001 Deville overheating
  164. HB inserts-2001
  165. Purpose of Valve Reliefs in 1st Gen Motors
  166. Is there a way to look at a N*in a used car & see if the HG bolts have been changed?
  167. Any writeups on 03 DTS 4.6L timing chain replacement?
  168. 1996 Northstar - extended cold cranking periods
  169. 1996 Northstar - CMP location ?
  170. '97 Seville overheating after 2 Miles and after Thermaseal treatment
  171. Northstar lower crankcase torque?
  172. ECM disconnected
  173. 2001 Eldorado - Fix Headgasket or Engine Swap?
  174. Camshaft Position Sensor Replacement
  175. 1993 Allante - engine stalls and bogs. CMP OK
  176. Dune Cruiser...
  177. 1993 Northstar parts needed
  178. E10 and/or Premium fuel
  179. northstar crankshaft main journal size
  180. 1999 DeVille Head Stud, Gasket Repair
  181. Northstar Oil Pump
  182. 1998 Eldorado Knocking when warm
  183. 160000mls service - now engine missfires
  184. Failed Emissions NEED ADVICE!
  185. Headgasket how to prevent that ?
  186. Power steering issue after engine work - 2002 DHS
  187. Classic overheating (99 eldo) pressure relief valve clogged?
  188. timing chain tensioner question
  189. Could this be a busted roller cam follower ?
  190. Dexcool or the green coolant?
  191. 4.6 northstar timing
  192. OIL, 5W30 vs 5W40
  193. Nitrous supporting mods
  194. Transmissions to head brace.
  195. Cylinder Head Dowel Pins???
  196. 2000 DTS used bad Intake manifold
  197. Evap purge valve
  198. 2000 DTS started puilling down engine today
  199. So she put the wrong spark plugs into a 2001 DHS . . .
  200. North Star coolant
  201. NorthStar Performance
  202. 2002 Northstar engine repair
  203. NorthStar Performance - rebuilt rngine info
  204. Northstar transmission interchangeability
  205. What's still good and what's not...
  206. Trying to losing crank pulley bolt and it jumped time cant get the bolt to loosen!!
  207. L37 and LD8 engine interchange question
  208. Guess how many 1993-2003 N* are still on the road, without Head Gasket Failure?
  209. NORTHSTAR Head CASTING #12585774 - engine fit ??
  210. 2001 STS Alternator Not Charging
  211. 2002 STS Cooling Fan Operation
  212. Snapped bolt - serpentine idler, 1994 N*
  213. 1998 Northstar FWD torque converter options
  214. 02 DHS Head gasket job question...
  215. Oil Pan Compatibility
  216. What Should I replace While the engine is out?
  217. Upgraded 1998 DeVille Fuel Injectors
  218. 96 SLS Head Bolts
  219. Motor mounts
  220. complete swap
  221. Motor drags... won't start
  222. Stop engine low oil pressure
  223. Northstar water pump replacement
  224. Right side exhaust manifold removal on 1995 Seville STS
  225. Problem with headbolts on HG repair
  226. 2001 STS Hooked up jumper cables wrong now car wont charge
  227. NP rebuilt engine
  228. 99 STS collapsed lifter?
  229. 2002 Deville remove bumper to remove engine cradle
  230. Northstar Performance - Jake's Studs
  231. Truth about Northstar Engine Failure?
  232. Bank 1, Bank 2 which is which
  233. Changed crankshaft position sensors, have oil leak.
  234. Can STS 2001 Northstar be converted to E85
  235. Setting timing on 96 STS
  236. Northstar headgasket repair parts
  237. Replacing Driver's Side Radiator Fan 1998 DeVille
  238. 2003 SLS -High idle and temperature after cleaning throttle body
  239. New Owner--1999 Deville - P0741
  240. 1997 Eldorado surge tank nipple cracked.
  241. New TPS now Code P085
  242. Vacuum leak
  243. Still Holding On to Bernadette... And don't Want to let go
  244. Oh so soft aluminum
  245. 98 DeVille Overheating, Coolant Leak
  246. 2000 ESC overheating
  247. Head Gasket Blown?
  248. LH2 heads on LD8 ?
  249. RE: Where is Coolant Purge Line?
  250. Engine cover gasket.