Great find especially at that price. Looks like you've done a really good job of cleaning things up. Here are some tings that might help you care for your car, in case you haven't located them yet. I suggest 00Beast's list first. - BC
Care and feeding:
viewforum.php?f=45
00Beast’s suggested list of things to do:
viewtopic.php?f=19&t=26860&p=270794&hilit=list#p270794
1987-2005 Bonneville / Buick 3800 Maintenance List
Run Seafoam, Chevron Techron or Gumout Regane through gasoline every 5,000 miles.
Grease: Ball Joints, Tie Rods Every 8-10k ( Green Grease or Amsoil Grease recommended)
Air Filter Every 15k (Amsoil EaA, Purolator PureONE)
PCV Valve Every 30k
MAF Sensor Element Cleaning/TB Cleaning Every 50k viewtopic.php?f=48&t=1661
Fuel Filter Every 15-25k (Purolator, AC Delco, WIX)
http://www.pontiacbonnevilleclub.com/fo ... 45&t=23215
Spark Plugs Every 30-50k (NGK TR55, AC Delco 41-101 or Autolite 605) (Never Bosch)
Ignition Wires Every 30-50k (Napa Belden, AC Delco, Autolite Pro, NGK) (Never Taylor or Bosch)
Oil & Filter Every 5-6k or Every 6 months (Valvoline SYNPower, Pennzoil Platinum, or Amsoil )(Mobil1, Purolator PureONE, Amsoil EaO, K&N or WIX) (Never Fram) viewtopic.php?f=45&t=214
*Conventional Oil Every 3k/3 months(API SM/SN rating) (WIX (Napa), Delco or Purolator filter)
Tires: Check Inflation Pressure & Visually Inspect Monthly Rotate Every 6-8,000 Miles
Transmission Flush or Pan Drop Every 15-20k (Always make sure filter is changed when flushed) viewtopic.php?f=45&t=10193
Cooling System Flush Every 25-50k or 3-5 Years (Peak or Prestone Mixes-With-Any Coolant Only) (Never Dexcool)
Oxygen Sensor Every 80-100k (30k for non-heated) (AC Delco or Denso) (Absolutely never Bosch) viewtopic.php?f=48&t=794
Accessory Belt Inspect every 15k, replace every 100k, or as needed
Cabin Air Filter Inspect and Replace every 15k, or as needed in dusty conditions. (Note: 00+ Only) viewtopic.php?f=45&t=13626
Evap Core Cleaning Whenever Needed (Note: 99 and older only) viewtopic.php?f=45&t=2432
Brake Fluid Flush 3yr/50k
Power Steering Fluid Replacement/Flush Every 100k or 5 years
*Special Considerations*
All Series II/III 3800's RPO's: L36, L26, L67 & L32, especially important on vehicles factory installed with orange Havoline Dexcool Antifreeze/Coolant:
http://www.dex-cool.net/
Lower Intake Manifold Gasket Replacement, every 80-100k (ignorance of this can allow coolant to enter your engine oil, this happening can cause irreversible lower engine damage, requiring replacement of subject engine)
[/b]Series II, Naturally Aspirated, RPO:L36:[/b]
Upper Intake Manifold Plenum Replacement, Every 80-100k (ignorance of this can allow coolant to enter your intake manifold, possible damage to occur can be hydrolock, irreversible damage to emissions devices, misfires, etc. Most times, engine replacement is required if ignored long enough.) viewtopic.php?f=53&t=1061
Series I, II, III RPO Code L67 & L32:
Change Supercharger Oil; Every 30-50k. (Intense Racing or GM Dealer) viewtopic.php?f=56&t=1690
Supercharger Belt; Inspect Every 15k, Replace Every 100k or as needed.
7/9/11 by 00Beast
