Service Specifications

1986 Oldsmobile Custom CruiserSECTION Service Specifications
SYSTEM REFRIGERANT CAPACITIES CHART

Application Ounces
General Motors
Buick
Century 44
Electra 46
Estate Wagon 56
Le Sabre 38
Regal 52
Riviera 44
Skyhawk
1.8L 44
2.0L 36
Skylark & Somerset 36
Cadillac
Cimarron 36
DeVille & Fleetwood 46
Seville & Eldorado 44
All Other Models 56
Chevrolet
Camaro 48
Cavalier 36
Caprice & Monte Carlo 56
Celebrity & Corvette 44
Chevette 36
Nova 27
All Other Models 52
Oldsmobile
Calais 36
Cutlass Supreme & Coupe 48
Custom Cruiser 53
Ciera 44
Delta 88
3.0L 44
3.8L 38
Firenza 36
Ninety-Eight 46
Toronado 44
Other Models 52
Pontiac
Bonneville & Grand Prix 53
Fiero 40
Firebird 48
Grand Am 44
Parisienne 60
Sunbird 2000 44
T1000 36
6000
Non-STE 44
STE 36
COMPONENT OIL REPLACEMENT QUANTITIES CHART

Component Ounces
Accumulator (1)
Condenser
All Other Manufacturers 1
Evaporator
General Motors Systems
Pontiac 2
All Other Models 3
Receiver-Drier 1
(1) On General Motors systems with DA-6 compressor, add 3 ounces; on other General Motors systems, add 2 ounces. On all other models, add amount drained, plus 1 ounce.
COMPRESSOR OIL REPLACEMENT QUANTITIES CHART

Component Ounces
Compressor
General Motors
V-5 & DA-6 Models 8
R-4 Model 6
COMPRESSOR BELT TENSION CHART (Lbs.) (1)

Application New Belt Used Belt
General Motors
(All Except Buick)
3-Cyl.
1.0L (2) (2)
4-Cyl.
1.5L - 70-110
1.6L (3) 168 90
1.8L (4) 155 80
2.0L 160-165 90-100
2.5L 135-165 65-90
V6
2.8L (5) 145 65-80
3.0L 165 90
3.8L
Pontiac 135-165 80
Other Models 165 90
4.3L 135-145 85-95
V8
4.1L (6) 190 145
5.0L
Oldsmobile
Cutlass 90 70
Pontiac 165 90
Other Models 135-145 65-95
5.7L (7) 135-145 65-95
Buick
5/16" Wide Belt 80 50
3/8" Wide Belt 140 70
13/32" Wide Belt 140 70
7/16" Wide Belt 165 90
(1) Using standard strand tension gauge.
(2) Adjust belt deflection to .31-.47" (8-12 mm) with 22 lb. (10 Kg) load.
(3) On Nova, adjust new belt tension to 100-150 lbs. and used belt tension to 60-100 lbs.
(4) No A/C on 1.8L Diesel
(5) Tension for new serpentine belt is 160 lbs. or 100 lbs. for used belt.
(6) Cadillac DeVille and Fleetwood have engine-mounted belt tensioner designed to maintain 110 lbs. of tension.
(7) On Corvette models with serpentine belt, tension is 120-140 lbs.
COOLING SYSTEM CAPACITIES CHART (1) (CADILLAC)

Application Quarts (Liters)
General Motors
Cadillac
Brougham
5.0L 15.0 (14.5)
Fleetwood & DeVille
4.1L 13.2 (12.5)
Cimarron
2.0L
Heater Only 9.6 (9.1)
Heavy Duty 9.8 (9.2)
2.8L
With A/C 11.1 (10.5)
W/O A/C 11.0 (10.4)
Eldorado & Seville
4.1L 12.6 (11.4)
(1) All figures shown are actual but may vary, plus or minus 15% due to system variations.
COOLING SYSTEM CAPACITIES CHART (1) (CHEVROLET)

Application Quarts (Liters)
General Motors
Chevrolet
Monte Carlo
3.8L 13.1 (12.4)
5.0L
Standard Engine 15.9 (15.0)
High Output Engine 16.3 (15.4)
Camaro
2.5L 9.8 (9.3)
2.8L 12.5 (11.8)
5.0L
W/4-Bbl.W/O A/C 15.3 (14.5)
W/4-Bbl.With A/C & H.D. Cooling 15.6 (14.8)
W/TPI 17.0 (16.1)
Caprice
3.8L 12.5 (11.8)
5.0L
Standard Radiator 16.8 (15.9)
H.D. Radiator 17.5 (16.6)
With A/C 16.7 (15.8)
With A/C & H.D. Radiator 17.4 (16.5)
Cavalier
2.0L 9.8 (9.2)
2.8L 11.1 (10.5)
Celebrity
2.5L 9.8 (9.2)
2.8L 12.6 (12.0)
Chevette
1.6L (Gas) 9.3 (8.8)
1.8L (Diesel) 8.9 (8.5)
Corvette 14.0 (13.3)
El Camino & Caballero 15.6 (14.8)
Nova 6.3 (6.0)
(1) All figures shown are actual but may vary, plus or minus 15% due to system variations.
COOLING SYSTEM CAPACITIES CHART (1) (OLDSMOBILE)

Application Quarts (Liters)
General Motors
Oldsmobile
Calais
2.5L 8.0 (7.5)
3.0L
Heater Only 10.3 (9.7)
With A/C 11.0 (10.4)
Cutlass Ciera
2.5L EFI
Heater Only 9.4 (8.9)
With A/C 9.7 (9.2)
Station Wagon 10.0 (9.5)
With A/C & H.D. Cooling 10.0 (9.5)
2.8L
Heater Only 11.8 (11.2)
With A/C 12.0 (11.4)
H.D. Cooling 12.7 (12.0)
3.8L
Heater Only 12.0 (11.4)
With A/C 12.7 (12.0)
Cutlass Custom Cruiser
5.0L
With A/C 15.3 (14.5)
Extra Capacity Radiator 16.3 (15.4)
H.D. Cooling 16.0 (15.2)
Cutlass Supreme
3.8L
Heater & A/C 13.0 (12.3)
H.D. Cooling 13.5 (12.8)
5.0L (VIN Y)
Heater Only 14.9 (14.1)
With A/C 15.6 (14.8)
H.D. Cooling 15.5 (14.7)
5.0L (VIN 9)
High Output Engine 15.5 (14.8)
Firenza
1.8L 8.0 (7.5)
2.0L
Man. Trans 9.5 (9.0)
Auto Trans 9.6 (9.1)
H.D. Cooling 9.7 (9.2)
2.8L
Heater Only 10.7 (10.1)
With A/C or H.D. Cooling 11.1 (10.5)
Toronado
3.8L 12.0 (11.4)
Delta 88
3.0L
W/O H.D. Cooling 12.8 (12.1)
W/H.D. Cooling 12.9 (12.2)
3.8L
W/O H.D. Cooling 13.2 (12.5)
W/H.D. Cooling 13.3 (12.6)
Ninety-Eight
3.8L 12.4 (11.7)
(1) All figures shown are actual but may vary, plus or minus 15% due to system variations.
COOLING SYSTEM CAPACITIES CHART (1) (PONTIAC)

Application Quarts (Liters)
General Motors
Pontiac
Bonneville & Grand Prix
3.8L 13.0 (12.3)
5.0L
Heater Only 15.3 (14.5)
With A/C or H.D. Radiator 16.1 (15.2)
Fiero
2.5L With A/C
Man. Trans. 14.1 (13.3)
All Other Systems 13.8 (13.1)
Grand Am
Heater Only 7.8 (7.4)
With A/C 7.9 (7.5)
Firebird
2.5L
Heater Only 12.8 (12.1)
With A/C 13.0 (12.3)
2.8L
Heater Only 12.5 (11.8)
With A/C & H.D. Radiator 12.4 (11.7)
5.0L
MPFI 17.0 (16.1)
4-Bbl. & High Output 17.2 (16.3)
Parisienne
5.0L 15.0 (14.5)
5.7L 18.0 (17.2)
Sunbird 2000
W/TBI
Heater & A/C 7.9 (7.5)
W/Turbo
Heater & A/C
Auto Trans. 7.9 (7.5)
Man. Trans. 7.8 (7.4)
T1000
1.6L
Heater Only 9.0 (8.6)
With A/C 9.2 (8.8)
6000
2.5L
Heater Only 9.4 (8.9)
With A/C 9.7 (9.2)
Heavy Duty 12.0 (11.4)
2.8L W/2-Bbl. Carburetor
Heater Only 11.3 (10.7)
With A/C 11.7 (11.1)
Heavy Duty 12.0 (11.4)
2.8L W/MPFI
Heater Only 12.5 (11.8)
With A/C 12.7 (12.0)
Heavy Duty 12.9 (12.2)
(1) All figures shown are actual but may vary, plus or minus 15% due to system variations.
COOLING SYSTEM CAPACITIES CHART (1) (BUICK)

Application Quarts (Liters)
General Motors
Buick
Century
2.5L
Heater Only 9.4 (8.9)
With A/C 9.7 (9.2)
Heavy Duty 12.0 (11.4)
2.8L
Heater Only 11.4 (10.8)
With A/C 11.8 (11.2)
Heavy Duty 8.8 (8.4)
3.8L
With A/C 11.9 (11.3)
Heavy Duty 12.6 (11.8)
Electra
3.8L
With A/C 12.4 (11.7)
Heavy Duty 12.5 (11.8)
5.0L Estate Wagon
Heater Only 15.4 (14.6)
With A/C 16.3 (15.4)
Heavy Duty 16.0 (15.1)
Le Sabre
3.0L
With A/C 12.9 (12.1)
Heavy Duty 13.0 (12.2)
3.8L
With A/C 13.2 (12.5)
Heavy Duty 13.3 (12.6)
5.0L Estate Wagon
Heater Only 15.4 (14.6)
With A/C 16.3 (15.4)
Heavy Duty 16.0 (15.1)
Regal
3.8L
Heater Only 12.9 (12.2)
With A/C 13.0 (12.3)
Heavy Duty 13.5 (12.8)
5.0L
Heater Only 14.9 (14.1)
With A/C 15.6 (14.8)
Heavy Duty 15.5 (14.7)
Riviera
3.8L
With A/C 12.0 (11.3)
Heavy Duty 12.1 (11.5)
Skyhawk
1.8L
Heater Only 7.8 (7.4)
With A/C 7.9 (7.5)
2.0L
Heater Only 9.5 (9.0)
With A/C 9.8 (9.3)
Skylark & Somerset
2.5L
Heater Only 7.8 (7.4)
With A/C 7.9 (7.5)
3.0L
Heater Only 10.3 (9.7)
With A/C 10.9 (10.4)
(1) All figures shown are actual but may vary, plus or minus 15% due to system variations.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.