The power transfer unit (PTU), an important element of the optional all-wheel-drive system in affected vehicles may not be able to maintain a connection between the transmission and the front wheels. If the PTU fails to engage with the transmission, the Cherokee could lose all power while being driven.
Also, what does a power transfer unit do? The power transfer unit (PTU) is a device used to transfer hydraulic power from one system to another system without sharing fluid between those systems. The PTU consists of two axial-piston rotating groups, housed separately but connected by a common driveshaft and mounting adapter.
Likewise, what is a 2 speed power transfer unit? JEEP ACTIVE DRIVE II A two-speed Power Transfer Unit (PTU) offers torque management and 4WD Low mode. This locks the front and rear driveshafts to deliver additional power at low speeds or for towing your toys. A driveline neutral switch enables you to hitch Jeep Cherokee to your RV and take it along.
People ask also, what is a PTU assembly? Power Transfer Units (PTUs) The PTU is an all-wheel drive (AWD) transfer case used in cars and sport utility vehicles. It allows for power to all four wheels either part time or full time, and also varies how much power goes to the front and rear by specific driving conditions.
Also know, what is a PTU input spline Jeep Cherokee? Relative movement in the Power Transfer Unit (PTU) between the differential input splines and the transmission output shaft may cause some input spline teeth to wear off, which may eventually cause a loss of engagement between the transmission and the differential inside the PTU.The power transfer unit is located in the bottom of the fuselage. Remove access panel 313AB to access the transfer unit. The power transfer unit consists of a hydraulic motor connected to a hydraulic pump.
Can you still drive with a bad transfer case?
Should you drive your car with a bad transfer case? Driving your car with a bad transfer case is a bad idea. If you continue to drive with a transfer case that has a serious mechanical problem, you could destroy it beyond the point of repair, and possibly damage your transmission, driveshafts and axles in the process.
Which jeeps have 2 speed transfer cases?
Two different transfer cases were used, the NV247 in 1999-2004 WJs and the NV245 in 2005-2010 WKs and 2006-2009 XKs. For the 1999-2004 Jeep Grand Cherokees using the NV247 transfer case, in “4-All Time” mode torque is applied to only the rear wheels under normal driving conditions.
Is the Jeep 3.2 a good engine?
The 271-hp 3.2L Pentastar is a lightweight 24-valve DOHC V6. It’s a pretty good engine but not without some minor issues. From the 2015 model year, it comes with Engine Stop-Start (ESS). The system includes a heavy-duty starter motor and a stronger battery.
What 4WD AWD Cannot be driven on dry pavement?
#1 Part time 4WD is a system that can only be used part of the time in four wheel drive. This 4WD system was created to provide a vehicle with more traction to either carry higher loads and/or to travel in adverse terrain conditions. … It can only be used for adverse terrain conditions – not for dry pavement.
What is the cost to replace the power transfer unit?
Typically, the average cost for a replacement is expensive, between $2,389 and $2,500. Labor costs are typically around five hundred dollars.
Is PTU same as transmission?
The traditional transfer case, which divides power to the front and rear axles on vehicles with north/south engine placements, is unusable here. … The “transfer case” that is used in FWD vehicles is called a power transfer unit (PTU), which is attached to the transaxle and sends power to a rear differential.
Is PTU covered under powertrain warranty?
The PTU is covered by the 3yr/36,000 mile factory warranty and the 5yr/60,000 mile powertrain warranty.
Why does my Jeep Cherokee say service shifter?
What does the service shifter light mean in a Jeep Cherokee? A service shifter warning light means that your vehicle’s shifter needs to be serviced by a mechanic. Typically, this means that the fuses need to be replaced, the vehicle’s software needs to be updated or the shifter needs to be replaced.
Is there a recall on Jeep Cherokees?
Jeep is recalling 18,800 Jeep Cherokee SUVs from the 2021 model year because faulty hoses could leak combustible transmission fluid. If the fluid comes in contact with an ignition source, it could cause a fire.
Which is better for off-road full time 4WD or on demand 4WD?
Due to the lack of “low range”, AWD vehicles are much less capable in off-road settings than full-time 4WD vehicles, but work perfectly well on-road. … On-Demand 4WD systems operate primarily in two-wheel drive during normal driving conditions.