Welcome to the jeepExperts.com in-depth web page on the WK Generation Jeep Grand Cherokee SRT8 axle and t-case fluid modifications. Did we miss something? Please get in contact with us and inform us about it!
Front axle
Grand Cherokee SRT8 C200F entrance axle
Fluid change interval (manufacturing unit spec):
30k miles / 15k miles extreme responsibility
Fluid sort:
Mopar® SAE 75W-140 Synthetic API-GL5
Mopar p/n 04874469, MSRP $30.00 per quart
SRT8 fashions DO NOT require restricted slip additive
Fluid fill:
Up to 57.5 oz (± 2 oz.)
Drain and fill plugs:
14mm hex
Torque to 44 ft. lbs. / 60 N·m
** Caution ** Be cautious when working across the exhaust and different engine elements as they might be scorching!
** Warning ** If utilizing a flooring jack use jack stands! Wheel chocks are additionally really useful.
1. Take automobile for brief drive to heat up the fluids. Raise automobile. Ensure that the automobile is stage on the hoist. If utilizing ramps or a flooring jack, increase entrance of auto for sufficient entry to crawl underneath the entrance fascia. Set automobile e-brake firmly, automobile in Park, ignition off. If utilizing a flooring jack use jack stands! Wheel chocks are additionally really useful.
2. Remove fill bolt and then drain bolt to empty fluid. Allow 10-Quarter-hour for oil to empty. There is simply a little bit over 3″ of device clearance in entrance of the fill bolt. A 14mm hex socket designed for a 3/8″ ratchet works completely. A 14mm allen wrench can be used if it isn’t wider than 3″. A 14mm hex socket made for 1/2″ socket wrenches could also be too lengthy to permit elimination of the bolt. I used to be capable of match a 1/2″ ratchet with a 14mm hex socket in place sufficient to loosen the bolt about 1/2 flip. I then eliminated the ratchet and completed loosening the bolt with a 9/16″ open finish wrench hooked up to the hex socket finish.
3. For fluid fill, connect a chunk of rubber hose to a pointed bottle cap, there may be sufficient room within the fan space to carry the bottle excessive sufficient to empty into the axle. Make positive that the rubber hose could be very securely to the bottle nozzle. A fluid pump, obtainable at auto elements shops, can be used. Fill till the fluid begins to ooze out.
4. Replace fill bolt and tighten to spec. With a store rag clear all areas round drain and fill holes and every other areas the place oil might have spilled. Before reducing automobile examine work areas beneath the automobile for any instruments.
Rear axle
Grand Cherokee SRT8 226RBI rear axle
Fluid change interval (manufacturing unit spec):
30k miles / 15k miles extreme responsibility
Fluid sort:
Mopar® SAE 75W-140 Synthetic (API-GL5)
Mopar p/n 04874469, MSRP $30.00 per quart
SRT8 fashions DO NOT require restricted slip additive
Fluid fill:
Up to 76.0 oz. (± 2 oz.)
Drain and fill plugs:
3/8″ sq. bit or 3/8″ ratchet finish
Torque to 44 ft. lbs. / 60 N·m)
** Caution ** Be cautious when working across the exhaust and different engine elements as they might be scorching!
** Warning ** If utilizing a flooring jack use jack stands! Wheel chocks are additionally really useful.
1. Take automobile for brief drive to heat up the fluids. Vehicle doesn’t need to be raised to entry the rear axle. Set automobile e-brake firmly, automobile in Park, ignition off. If utilizing a flooring jack use jack stands! Wheel chocks are additionally really useful.
2. Remove fill bolt and then drain bolt to empty fluid. Allow 10-Quarter-hour for oil to empty. The finish of a 3/8″ ratchet matches completely for elimination of the drain and fill bolts.
3. For fluid fill, connect a chunk of rubber hose to a pointed bottle cap, there may be loads of room above the axle to carry the bottle excessive sufficient to empty into the axle. Make positive that the rubber hose could be very securely to the bottle nozzle. Fill till the fluid begins to ooze out.
4. Replace fill bolt and tighten to spec. With a store rag clear all areas round drain and fill holes and every other areas the place oil might have spilled. Before reducing automobile examine work areas beneath the automobile for any instruments.
Transfer case
Grand Cherokee SRT8 NV146 switch case
Fluid change interval (manufacturing unit spec):
30k miles
(WKJeeps.com advice: 10k miles for first change, each 15k thereafter)
Fluid sort:
Mopar NV146, p/n 68001758AA, MSRP $52.00 per quart
!! Usage of different fluids/lubricants isn’t really useful !!
Fluid fill:
Up to three.8 pts. (60.8 oz./1.9 qts.)
Note: Most homeowners have been reporting fill volumes within the 40 oz. to 55 oz. vary
Drain and fill plugs:
10mm hex
Torque 15-25 ft. lbs. / 20-34 N·m
** Caution ** Be cautious when working across the exhaust and different engine elements as they might be scorching!
** Warning ** If utilizing a flooring jack use jack stands! Wheel chocks are additionally really useful.
1. Take automobile for brief drive to heat up the fluids. Raise automobile. Ensure that the automobile is stage on the hoist. If utilizing ramps or a flooring jack, increase entrance of auto sufficient for entry underneath the drivers facet beneath the doorways. Set automobile e-brake firmly, automobile in Park, ignition off. If utilizing a flooring jack use jack stands! Wheel chocks are additionally really useful.
2. Remove fill bolt and then drain bolt to empty fluid. Allow 10-Quarter-hour for oil to empty.
3. For fluid fill, a bottle pump is really useful as there may be little or no room above the switch case. The fluid full stage on the NV146 is 25-35mm (0.98-1.38 In.) beneath the underside of the fill plug. This is completely different from the opposite Grand Cherokee purposes. It is essential that the switch case not be overfilled and that the proper fluid is used.
NOTE: For measuring the fill stage, get hold of a size of skinny metal rod. Bend a bit 1.5″ lengthy (38mm), 90 levels to the rest of the rod. Use the bent finish of the metal rod as a dipstick to find out the fluid stage within the switch case.
4. Replace fill bolt and tighten to spec. With a store rag clear all areas round drain and fill holes and every other areas the place oil might have spilled. Before reducing automobile examine work areas beneath the automobile for any instruments.
Additional data
When all completed, take automobile for a brief drive. Upon return study axles and t-case for any signal of fluid leakage. Check underneath automobile for the following few days to substantiate no leaks are current.