: Northstar Engines and System Technical Discussion



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  1. 1996 Deville N*
  2. Advice on engine teardown TOMORROW
  3. Can you blow the head gasket driving without pressurized coolant?
  4. 2000 DHS engine swap
  5. Valve keepers fell off! But valve still in there!
  6. Why do so many people do it the hard way.
  7. timing chain with engine in car
  8. P0306 and P0300 codes CKP changed
  9. Car temperture went up after putting stop leak in
  10. ok ok... so engine out the top... what???
  11. power steering lock up
  12. 4t80 extension housing, what part
  13. BackFire Valve
  14. Grumble, engine dropping questions
  15. URGENT WORKING RIGHT NOW Fuel Line Removal
  16. Seeping Oil Pan Gasket
  17. Quick help need on 4L80
  18. couple of quick questions on my deville
  19. Bubbles on trans fluid dipstick bad?
  20. RACE FANS Free beer 1/16-1/17 if you live around Richmond (sorta)
  21. 4.6 Northstar
  22. Going in again! HG's first, now torque converter
  23. engine vacuum line?
  24. 160* Thermostat?
  25. Jake clear out your mailbox
  26. help! erratic idle, no codes :-x
  27. Oil looks like crap, advice please
  28. Zero compression in Cylinder 2
  29. I smell coolant
  30. Northstar head gasket issues
  31. swap entire cradle from another car??
  32. "check emissions system"
  33. What size is my motor?
  34. Coolant manifold/Crossover gasket sources?
  35. P0621 Code Batt not Charging/Svc Chrg Sys
  36. Looking to do a HG job for the holidays?
  37. need tranny parts advise
  38. Anyone in Ontario with a good scanner/reader?
  39. State by state guide to Northstar head gasket repair shops
  40. Engine Installer or Head Gasket Repair in NY, CT, NJ, MA?
  41. 4T80 experts
  42. Your Opinion
  43. Fixable or not?
  44. Why NOT to use time serts -
  45. Rear main seal & case half seal - '98 Deville
  46. EVAP switch, purge solenoid, i butchered it
  47. Northstar Performance warranty-good
  48. Misfire 1998 STS
  49. Randomly Running Extremely Rich
  50. Is there a tuner for a 2001 Deville?
  51. I need help!!!
  52. pull tranny, fix half case leak
  53. Slow start and stalling
  54. Who wants/needs a brand new Supercharged Northstar / RWD Trans?
  55. Northstar powered trike
  56. torque angle meter?
  57. pulley decides to whine
  58. Misfire on cylinder 6
  59. TCC Stuck Off (Code P0741) Still on after Solenoid Changeout
  60. Still making engine noise
  61. CHRFAB cams installed - 98 STS - the results are in
  62. Race Caddy losing coolant and making noise
  63. northstar in a camaro!
  64. timming in a 95 sts
  65. To hone? or not to hone
  66. Pulleys... A good source?
  67. timing car with engine in car
  68. 98 N* engine, blue valve cover washers?
  69. motor swap
  70. Today's Racing Question: Studs or Norm's?
  71. Please help guy
  72. Northstar engine swap 2000 put in a 96 Northstar
  73. Power steering leak
  74. 97 sls shifting problem
  75. Deleting govnor on a 2000 eldorado????
  76. Service Engine Soon Codes 1022 & 1122
  77. Coolant Change Help
  78. Head Gasket Repair, now noticed block is cracked
  79. Priming the oil pump
  80. Confused as hell
  81. ATF Question...
  82. cooling fans come on at what temp?
  83. add torque struts(dog bones) to 99 seville
  84. Turbo Charged 99 STS
  85. What tools do you need for a hg/engine pull job
  86. headgasket need used insert kit
  87. Recent Stud Kit Customers - READ THIS PLEASE
  88. HELP My mechanic says I have carboned lifters
  89. What color are stock gaskets?
  90. Dumb head gasket question
  91. Resetting Timing after Head Gasket job.
  92. Cadillac Engineers please help us!
  93. how do i change my idle
  94. head gasket help!!!!!!
  95. Transmission cooling
  96. Idle at 3000 RPM HELP!!!
  97. added power?
  98. northstar crank sensors
  99. 2000 DTS plugs and hoses - tough job, I think
  100. FPR acting up
  101. 98+ STS brake upgrade?
  102. Spark plugs
  103. Email conversation with HEAL-A-SEAL
  104. O2 Sensors
  105. 01 SLS w/ Cracked Block - Need Cincy Area Mechanic
  106. 06 DTS crank seal leaking
  107. 4t80e side cover drain
  108. '98 STS stumbles and misses (NO CEL)
  109. MAP sensor keeps going bad - 94 N*
  110. 2004 dhs starting problem
  111. Attention All Northstar Technicians- New Northstar Drilling / Tapping Machine
  112. headgasket being repaired
  113. High mileage oils
  114. P0420 code
  115. Wot?
  116. You'll never guess what I broke today
  117. 95 STS fluctuating rpm and slight bogging while driving
  118. 1993 Cadillac sts 4.6 idle fluctuating
  119. SLS engine and trannie in a STS?
  120. Air conditioning compressor clutch bearing
  121. Manifold Blowoff Leaking - parking break stuck
  122. 110,000 miles, what else should be done along with head gaskets?
  123. "Tic Tic Tic" sound on 02 SLS
  124. Flashing SES/P0300
  125. Working on mama's Caddy. Need help with O2 Sensor
  126. Head Gasket?
  127. Investors needed. Big time.
  128. thermostat housing gasket? 99 sts
  129. New England area Northstar mechanics? (Head Gaskets)
  130. 6 oil leaks; gaskets replaced now intake plenum boot replaced..
  131. That's a lot of smoke! (exhaust)
  132. Mobile 1 Clean High Mileage
  133. Chocolate Milk in the oilpan
  134. Heater Core Inlet Connector O-Ring Leak
  135. Breakthrough for anyone with bad exhaust cams
  136. 96 Aurora 4.0
  137. Idle Too Low P0506 New Throttle Body?
  138. Northstar mechanic on Long Island?
  139. 4t80E shift solenoid part #
  140. B0149
  141. Code P119
  142. HeadGasket Repaired - cost $1500 - but more problems?...
  143. 95 Eldo headgaskets?
  144. Only overheats when the AC or the heat is on....
  145. 06+ STS Northstar ECM repin to 07-08, new carrer and trans install
  146. Aftermarket Temp. Gauge
  147. Coolant Supply Line
  148. Idles rough after being started in the morning
  149. Best way to clean the engine bay?
  150. 2001 Cadillac DTS Can't get up to speed, power loss, studdering, See Video
  151. Tricky Coolant Leak
  152. Coming back home
  153. 2000 DHS exhaust smoking and running poor
  154. 4 Engine Questions
  155. Is this guy being honest with me? video of a SEIZED ENGINE!!!
  156. Any thoughts on this...
  157. tap for time serts
  158. Just bought a 98 Deville, was overheating, am I paranoid?
  159. 208 at 40+ 212 at <40
  160. low oil pressure
  161. Batman's Northstar
  162. Another Wont crank issue
  163. Woohoo...Head gasket repair is done
  164. 1998 Deville acceleration slip
  165. Steering joint bolt
  166. My bone stock '98 STS pulled a 14.95 in the 1/4
  167. Weird Noise
  168. Heartland High Mileage Oil Changer Review
  169. 95 sls n* solenoid clicking
  170. Interesting find
  171. Valve cover bolts???
  172. Timing mark clarification
  173. Engine in the car repair... how many gaskets?
  174. Front hydraulic motor mount
  175. I can't get the CV joint to separate from the Trans
  176. 1993 Caddillac Eldorado - Timing Chain Issue
  177. Stud Kit Success!!
  178. Ways to increase performance?
  179. Radiator leaks and engine runs rough, no codes
  180. Ethanol Blends
  181. 98 Eldorado Starting Problems
  182. Problems removing head dowels
  183. Another visit to the track
  184. 95 vs 99 Northstar
  185. Tuning up the engine.
  186. Head Gasket Repair At Your Location!
  187. Head Gasket Paranoia
  188. catalyst converter replaced
  189. 93 STS Lots of smoke after fillup
  190. Exact oil filter wrench for 1996 Seville SLS
  191. new northstar
  192. Super Noob needs help overheating
  193. Nitrous Help: 01 DTS
  194. Head gasket removal, best practices
  195. 01 deville o2's locations?
  196. Head stud kit
  197. Documenting a swap: N* 4.6 / 97 STS
  198. 2005 DTS Twin Turbo project??
  199. No pcm data
  200. No pcm data?
  201. WIll a 98 vin 9 motor go into a 94 STS
  202. another newbie HG question
  203. NEW - 2002 Head Gasket Failure - Best Fix...
  204. Failed Smog Emissions Northstar
  205. What could it be?
  206. Exchange fluids how often?
  207. Tuning thread. Disappointed, but I understand.
  208. looking to buy a Caddy
  209. AC Delco platinum plug gap settings for N*
  210. how do i get my car to northstar preformance, uh cheaply?
  211. Engine 'misses' at stoplights
  212. where to get my head gasket repaired?
  213. Engine Shaking
  214. 4.6 Prevention and maintenance for longer life IE head gaskets.
  215. How to properly switch from red to green in a 2000 STS
  216. Water Pump Issue
  217. Lucas Oil Stabilizer
  218. Rough idle and low speed chug
  219. barS headgasket repair, has anyone tried it?
  220. Secondary Air Injection Check Valve... Bent?
  221. 2000 STS motor mount help?
  222. Oil pressure dummy light flickers...
  223. Head Bolts...
  224. Slight stumble, no codes
  225. 97 Deville wont start in the morning
  226. Stud Kit Help
  227. A kitten caused my Serpentine Belt to come off
  228. Check Coolant Level
  229. Cleaning Heads and Block
  230. Over Heating... HELP!!!
  231. 2001 deville rough idle
  232. engine grounds
  233. manifold blowoff
  234. sealant for blown heads?
  235. 1994 STS Overheating (I think)...
  236. Block Identification Numbers
  237. Snapping noise when coming to a stop..Answered Finally!!!
  238. Overheating Eldorado Help
  239. need some help
  240. 05' STS. Little help with P0102 please
  241. 2000 DTS P0300 code
  242. Head gasket repair
  243. P041 1994 deville concours
  244. Quick Oil Question
  245. rough idle, no codes, rough start
  246. coolant leak
  247. STS Radiator Hose Replacement
  248. 95 Eldorado ETC - Cooling system
  249. power steering line: o-ring?
  250. broken bolt in oil pan