AMSOIL Online Product Application Guide

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1991 MERCURY COUGAR 3.8L 6-cyl Engine Code [4]   
 LUBRICANTS & FLUIDS:
Engine Oil
     Grade 1......API*

Maximum Performance SAE 5W-30 Signature Series 100% Synthetic Motor Oil (ASLQT) SAE 5W-30 Signature Series 100% Synthetic Motor Oil (ASLQT)

Performance Plus XL 5W-30 Synthetic Motor Oil (XLFQT) XL 5W-30 Synthetic Motor Oil (XLFQT)

Performance OE 5W30 Synthetic Motor Oil (OEFQT) OE 5W30 Synthetic Motor Oil (OEFQT)

     All TEMPS......5W-30
Automatic Transmission,AOD......MA5 [1]
         Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid (ATF) (ATFQT)
         OE Multi-Vehicle Synthetic Automatic Transmission Fluid (OTFQT)
         Torque-Drive Synthetic Transmission Fluid (ATD1G)
Standard Differential, Rear W/ 8.8 RG......GL-5
     All TEMPS......90
         SEVERE GEAR 75W-90 Synthetic EP Lubricant (SVGQT)
         75W-90 Synthetic Long Life Gear Lube (FGRQT)
         SEVERE GEAR 75W-110 Synthetic EP Lubricant (SVTQT)
         SAE 80W-90 Synthetic Gear Lube (AGLQT)
Limited Slip Differential, Rear W/ 7.5 RG......GL-5*
     All TEMPS......90 [2] [3]
         SEVERE GEAR 75W-90 Synthetic EP Lubricant (SVGQT)
         75W-90 Synthetic Long Life Gear Lube (FGRQT)
         SEVERE GEAR 75W-110 Synthetic EP Lubricant (SVTQT)
         SAE 80W-90 Synthetic Gear Lube (AGLQT)
Standard Differential, Rear W/ 7.5 RG......GL-5
     All TEMPS......90
         SEVERE GEAR 75W-90 Synthetic EP Lubricant (SVGQT)
         75W-90 Synthetic Long Life Gear Lube (FGRQT)
         SEVERE GEAR 75W-110 Synthetic EP Lubricant (SVTQT)
         SAE 80W-90 Synthetic Gear Lube (AGLQT)
Limited Slip Differential, Rear W/ 8.8 RG......GL-5*
     All TEMPS......90 [2] [3]
         SEVERE GEAR 75W-90 Synthetic EP Lubricant (SVGQT)
         75W-90 Synthetic Long Life Gear Lube (FGRQT)
         SEVERE GEAR 75W-110 Synthetic EP Lubricant (SVTQT)
         SAE 80W-90 Synthetic Gear Lube (AGLQT)
Fluids
     Power Steering Fluid......FA
         Synthetic Supershift Racing Transmission Fluid SAE 10W (ARTQT) [4]
     Brake Fluid......HB
         AMSOIL Brake Fluid DOT-3 (BF3SN) [5]
[1] This specification has been updated from Mercon to
Mercon V per TSB 06-14-4
[2] Identification: see upper left differential tag, code
on plate at driver's door.
[3] Traction-Lok axles add 4oz of friction modifier Ford part No
XL-3 or equivalent formulated to meet
Ford spec EST-M2C118-A.
[4] Automatic Transmission Fluid, Type-F
[5] Hydraulic Brake Fluid, DOT 3
P/N PM-1, Ford Spec. WSS-M6C92-A
 FILTERS:
 NGK PLUGS AND WIRESETS:
GPSERIESPLUGTR55-1GP
IXIRIDIUMPLUGTR55-1IX
VPOWERPLUGTR55-1
WIRESETWIRESETRC-FDZ028
 WIPER BLADES:
Blade ClassDriverPassenger
ExactFit T224   
ExactFit T221  T224 
ExactFit   T221 
NeoForm T16220  T16220 
Winter T37225  T37225 
 CHASSIS LUBRICATION:
      0-2 Fittings, 0 Plugs..........LL
 CAPACITIES:
Engine, with filter..........4.5 quarts [1]
Cooling System, Initial Fill..........13.3 quarts
AMSOIL Antifreeze and Engine Coolant
Automatic Transmission, AOD Initial Fill..........3 quarts
Automatic Transmission, Total Fill
   4 speed AOD..........12.3 quarts
Differential, With 7.5 RingGear Rear..........3 pints [2]
Differential, With 8.8 RingGear Rear..........3.2 pints [2]
[1] After refill check oil level.
[2] Fill to no more than 1/4 to 9/16 inch below fill plug hole.
 TORQUES:
   Oil Drain Plug.....15-22 ft/lbs
 OTHER TOP QUALITY PRODUCTS: