1998 Oldsmobile Achieva Owner's Manuals

Page 241 of 356

Oldsmobile Achieva 1998  Owners Manuals 3100 Engine 
The  engine  oil  dipstick handle  is yellow. The  dipstick 
for  the 
3 100 engine  is located  in  front of the  engine, 
behind  the  fan. 
Turn  off the  engine  and give  the oil a f

Page 242 of 356

Oldsmobile Achieva 1998  Owners Manuals I NOTICE: 
Don’t  add too much  oil. If your  engine  has so 
much  oil  that  the  oil  level  gets  above  the  upper 
mark  that  shows  the  proper  operating  range, 
your  engine  could  be  d

Page 243 of 356

Oldsmobile Achieva 1998  Owners Manuals What Kind of Engine Oil to Use 
Oils recommended for your vehicle can be identified 
by  looking  for  the “Starburst” symbol. This symbol 
indicates that the oil has been certified  by the Americ

Page 244 of 356

Oldsmobile Achieva 1998  Owners Manuals As shown in the chart, SAE 5W-30 is best for your 
vehicle.  However,  you can use 
SAE 1 OW-30 if its  going 
to  be 
0" F (- 18 " C) or  above.  These  numbers on an oil 
container  show its viscos

Page 245 of 356

Oldsmobile Achieva 1998  Owners Manuals If none  of them is true, use the long  triphighway 
maintenance  schedule. Change the oil and filter every 
7,500 miles  (12 500 km) or 12 months -- whichever 
occurs  first. Driving 
a vehicle with

Page 246 of 356

Oldsmobile Achieva 1998  Owners Manuals Refer to  the  Maintenance Schedule  to  determine when to 
replace  the  air  filter. 
See  “Scheduled Maintenance  Services”  in the Index. 
Operating the  engine  with the air cleaner  off can

Page 247 of 356

Oldsmobile Achieva 1998  Owners Manuals How to Check 
Because this  operation  can be  a  little  difficult,  you 
may  choose  to  have this  done  at your Oldsmobile 
retail  facility  Service  Department. 
If  you  do it  yourself,  be

Page 248 of 356

Oldsmobile Achieva 1998  Owners Manuals Then, without shutting off the engine, follow these steps: 
1. The automatic  transaxle  dipstick  handle is red. 
Pull  out  the  dipstick and wipe it with a  clean rag or 
paper towel. 
2. Push  it