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Thread: Miata NA 90-97 Basic Maintenance Information

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    3,000 rpm - starting to feel the power BoBo's Avatar
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    Miata NA 90-97 Basic Maintenance Information

    This is just a brief starting point with basic Maintenance information that I got from a my Haynes manual. (This is not a how to information). I just wanted to share it with anyone who might need the information to do minor tune-ups, but most enthusiast here will already know this. The information with parenthesis came from gathered info from on the web.

    Listed here are manufacturers recommendations at the time this manual was written.Manufacturers occasionally upgrade their fluid and lubricant,so check with your auto parts store for current recommendations.

    Engine Oil:
    Type: API grade "certified for gasoline engines"
    Viscosity: depending on temperature
    5w-30 oil for -20 and below to 100+ F (Basically 5w30 has a wider range) I sometimes use 0w30 but that's just me.
    10w30 oil for 0 to 100+ F

    Engine coolant 50/50 mixture of ethylene glycol based antifreeze and water

    Fuel:Unleaded Gasoline 87+

    Manual Transmission fluid:API GL-5 SAE 75w90 Gear Oil (some people still use GL-4)

    Automatic Transmission fluidexron 2 or M-111 ATF ( higher Dexron numbers' also fulfilling the specifications of the lower number fluids)

    Brake clutch fluid: DOT 3/4 (According to Wikipedia,Brake fluids with different DOT ratings can not always be mixed. It must be of the same type, and at least the same rating. DOT 5.1 can replace DOT 4 and 3, DOT 4 can replace DOT 3. DOT 5 should not be mixed with any of these as mixing of glycol with silicone fluid may cause corrosion because of trapped moisture.)

    Power Steering Fluid: Dexron 2 ATF ( higher Dexron numbers' also fulfilling the specifications of the lower number fluids)

    Capacities:
    Engine Oil (including filter)

    1.6 engine:3.6 quarts
    1.8 engine:4.2 quarts
    Engine coolant:6.3 quarts

    Transmission Lubricant:
    Manual: 2.1 quarts
    Automatic (oil pan):4.2 quarts

    All capacities are approximate . Add as necessary to bring up to approximate level

    Ignition System:
    Spark plug type: NGK BKR5E11,BKR6E11 or equivalent
    Spark plug gap: 0.040 to 0.043 inch
    Spark plug wire resistance 400 ohms per inch
    Engine firing order 1-3-4-2

    Cooling System:
    Thermostat starts to open
    Main Valve:188-193 degrees F
    Sub-Valve:182-188 degrees F
    Fully open 212 degrees F

    Torque specs:FT-LBS (unless otherwise indicated)

    Engine oil drain plug: 22-30 Ft-lbs

    Spark plugs:
    93 and earlier engines: 132 to 204 in-lns
    94 and later engines:132 to 192 in-lbs

    Automatic transmission:
    Oil Pan Bolts:52 to 69 in-lbs

    Oil Strainer/Filter:
    93 and earlier-
    Bolts:27-34 in-lbs
    Nuts:44-60 in-lbs

    94 and later: 58-69 in-lbs

    Manual transmission:
    Level and fill plug:19-28
    Drain Plug:29-43
    Wheel Lug Nuts:66-86

    Clutch Pedal:
    Height including Carpet:6.89 to 7.28 inches
    Freeplay:0.02 to 0.12
    Disengagement Height (minimum-including carpet) 2.68 inches

    Maintenance Schedule:

    Every 250 miles or weekly Check:
    Engine oil level
    Engine coolant level
    Windshield washer fluid
    Brake Clutch Fluid
    Check tires and tire pressure

    Every 3000 miles:
    Change engine oil filter
    Rotate tires

    Every 7500 miles:
    Check PS fluid
    Check ATF fluid
    Check or replace windshield wiper blades
    Check clutch pedal for proper Height and freeplay
    Check and service battery
    Check and adjust engine drive belts
    Inspect or replace under hood hoses
    Check cooling systems

    Every 15k or 12 months, which ever one comes first:
    Replace air filter
    Check manual transmission lubricant level
    Inspect steering and suspension components
    check drive axle boots

    Every 30k or 24 months, which ever comes first:
    Inspect fuel systems
    Replace spark plugs
    Check or replace spark plug wires
    Service cooling system drain or flush and refill
    Inspect fuel evaporative emissions control system
    Inspect exhaust system
    Change automatic transmission fluid (ATF)
    Change manual transmission fluid
    Replace if necessary the PCV valve

    Every 60k miles or 48 months, which ever come comes first:
    Replace fuel filter
    Replace timing belt
    08 Kawasaki Ninja 250R Tuned/Track Prepared
    04 Z4 2.5 M Sport Package
    01 SLK 230 Kompressor AMG Sport Package

  2. The Following 5 Users Say Thank You to BoBo For This Useful Post:

    BrownyHound (03-23-2014),Dandy (09-11-2013),Martin (09-12-2013),Slampen (08-27-2014),WASABI (09-11-2013)

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    Supporting Member Dandy's Avatar
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    Looks sticky worthy.

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    3,000 rpm - starting to feel the power BoBo's Avatar
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    Thanks everyone.
    08 Kawasaki Ninja 250R Tuned/Track Prepared
    04 Z4 2.5 M Sport Package
    01 SLK 230 Kompressor AMG Sport Package

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