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Right wheel goes in forward and reverse, left wheel nothing

#1

K

king809m

I have an Exmark Quest that's about 10 years old, 4500 series. Everything worked good last year. Went to mow this year and the right side wheel operates fine in forward and reverse. Left wheel doesn't respond at all. Also noticed an oil leak from the reservoir area. Wondering if a leak would case it to stop working entirely. And my bypass levers are both in the correct position. And yes, the parking brake is released. First thing that I checked. And I can manually move the left tire both in both forward and reverse. Any help would be greatly appreciated.


#2

BlazNT

BlazNT

This is the partial list I have to look through. Can we get more info on your mower?
LZS22KA484CA - Exmark 48" Lazer Z Quest E-Series Zero-Turn Mower, 22HP Kawasaki, CARB (SN: 920000 & Above)
LZS24KA524CA - Exmark 52" Lazer Z Quest E-Series Zero-Turn Mower, 24HP Kawasaki, CARB (SN: 920000 & Above)
LZX24KA526CA - Exmark 52" Lazer Z Quest X-Series Zero-Turn Mower, 24HP Kawasaki, CARB (SN: 920000 & Above)
LZX27KC526CA - Exmark 52" Lazer Z Quest X-Series Zero-Turn Mower, 27HP Kohler, CARB (SN: 920000 & Above)
LZX27KC606CA - Exmark 60" Lazer Z Quest X-Series Zero-Turn Mower, 27HP Kohler, CARB (SN: 920000 & Above)
LZX29EKC606CA - Exmark 60" Lazer Z Quest X-Series Zero-Turn Mower, 29HP Kohler, CARB (SN: 920000 & Above)
LZX38KC606CA - Exmark 60" Lazer Z Quest X-Series Zero-Turn Mower, 38 HP Kohler, CARB (SN: 920000 & Above)
LZX38KC726CA - Exmark 72" Lazer Z Quest X-Series Zero-Turn Mower, 38HP Kohler, CARB (SN: 920000 & Above)
QSP20KAS443 - Exmark 44" Quest Zero-Turn Mower, 20HP Kawasaki (SN: 850000-919999)
QSP20KAS483 - Exmark 48" Quest Zero-Turn Mower, 20HP Kawasaki (SN: 850000-919999)
QSP22KAS523 - Exmark 52" Quest Zero-Turn Mower, 22HP Kawasaki (SN: 850000-919999)
QST20BE422 - Exmark 42" Quest Zero-Turn Mower, 20HP Briggs & Stratton (SN: 790000-849999)
QST20BE422 - Exmark 42" Quest Zero-Turn Mower, 20HP Briggs & Stratton (SN: 850000 & Above)
QST22BE482 - Exmark 48" Quest Zero-Turn Mower, 22HP Briggs & Stratton (SN: 670000-719999)(2007)
QST22BE482 - Exmark 48" Quest Zero-Turn Mower, 22HP Briggs & Stratton (SN: 720000-789999)
QST22BE482 - Exmark 48" Quest Zero-Turn Mower, 22HP Briggs & Stratton (SN: 790000-849999)
QST22BE482 - Exmark 48" Quest Zero-Turn Mower, 22HP Briggs & Stratton (SN: 850000 & Above)
QST23KC482 - Exmark 48" Quest Zero-Turn Mower, 23HP Kohler (SN: 720000 & Above)
QST23KC522 - Exmark 52" Quest Zero-Turn Mower, 23HP Kohler (SN: 720000 & Above)
QST24BE522 - Exmark 52" Quest Zero-Turn Mower, 24HP Briggs & Stratton (SN: 670000-719999)(2007)
QST24BE522 - Exmark 52" Quest Zero-Turn Mower, 24HP Briggs & Stratton (SN: 720000-789999)
QST24BE522 - Exmark 52" Quest Zero-Turn Mower, 24HP Briggs & Stratton (SN: 790000-849999)
QST24BE522 - Exmark 52" Quest Zero-Turn Mower, 24HP Briggs & Stratton (SN: 850000 & Above)
QT22KA421 - Exmark 42" Quest Zero-Turn Mower, 22HP Kawasaki (SN: 920000 & Above)
QT24KA501 - Exmark 50" Quest Zero-Turn Mower, 24HP Kawasaki (SN: 920000 & Above)
QTE651KA421 - Exmark 42" Quest E-Series Zero-Turn Mower, Kawasaki FR651V (SN: 313000000-313999999)
QTE651KA421 - Exmark 42" Quest E-Series Zero-Turn Mower, Kawasaki FR651V (SN: 314000000 & Above)
QTE691KA501 - Exmark 50" Quest E-Series Zero-Turn Mower, Kawasaki FR691V (SN: 312000000-312999999)
QTE691KA501 - Exmark 50" Quest E-Series Zero-Turn Mower, Kawasaki FR691V (SN: 313000000-313999999)
QTE691KA501 - Exmark 50" Quest E-Series Zero-Turn Mower, Kawasaki FR691V (SN: 314000000 & Above)
QTS691KA422 - Exmark 42" Quest S-Series Zero-Turn Mower, Kawasaki FR691V (SN: 313000000-313999999)
QTS691KA422 - Exmark 42" Quest S-Series Zero-Turn Mower, Kawasaki FR691V (SN: 314000000 & Above)
QTS691KA502 - Exmark 50" Quest S-Series Zero-Turn Mower, Kawasaki FR691V (SN: 312000000-312999999)
QTS691KA502 - Exmark 50" Quest S-Series Zero-Turn Mower, Kawasaki FR691V (SN: 313000000-313999999)
QTS691KA502 - Exmark 50" Quest S-Series Zero-Turn Mower, Kawasaki FR691V (SN: 314000000 & Above)
Quest - Exmark Quest Zero-Turn Mower (SN: 670000-719999)
Quest - Exmark Quest Zero-Turn Mower (SN: 720000-789999)
Quest - Exmark Quest Zero-Turn Mower (SN: 790000-849999)
Quest - Exmark Quest Zero-Turn Mower (SN: 850000 & Above)
QSS708GEM42200 - Exmark 42" Quest S-Series Zero-Turn Mower, Exmark (SN: 315000000 & Above)(2015)
QSS708GEM50200 - Exmark 50" Quest S-Series Zero-Turn Mower, Exmark (SN: 315000000 & Above)(2015)
QSS725GKC42200 - Exmark 42" Quest Zero-Turn Mower, Kohler (SN: 315000000 & Above)(2015)
QSS725GKC50200 - Exmark 50" Quest Zero-Turn Mower, Kohler (SN: 315000000 & Above)(2015)
QTE452CEM42100 - Exmark 42" Quest E-Series Zero-Turn Mower, Exmark (SN: 316000000 & Above)(2016)
QTE452CEM42200 - Exmark 42" Quest E-Series Zero-Turn Mower, Exmark (SN: 316000000 & Above)(2016)
QTE708GEM42100 - Exmark 42" Quest E-Series Zero-Turn Mower, Exmark (SN: 315000000 & Above)(2015)
QTE708GEM50200 - Exmark 50" Quest E-Series Zero-Turn Mower, Exmark (SN: 316000000 & Above)(2016)
QTE708GEM54100 - Exmark 54" Quest E-Series Zero-Turn Mower, Exmark (SN: 315000000 & Above)(2015)
QTE735KC421 - Exmark 42" Quest E-Series Zero-Turn Mower, Kohler (SN: 314000000 & Above)(2014)
QTE735KC501 - Exmark 50" Quest E-Series Zero-Turn Mower, Kohler (SN: 314000000 & Above)(2014)


#3

K

king809m

BlazNT said:
This is the partial list I have to look through. Can we get more info on your mower?
LZS22KA484CA - Exmark 48" Lazer Z Quest E-Series Zero-Turn Mower, 22HP Kawasaki, CARB (SN: 920000 & Above)
LZS24KA524CA - Exmark 52" Lazer Z Quest E-Series Zero-Turn Mower, 24HP Kawasaki, CARB (SN: 920000 & Above)
LZX24KA526CA - Exmark 52" Lazer Z Quest X-Series Zero-Turn Mower, 24HP Kawasaki, CARB (SN: 920000 & Above)
LZX27KC526CA - Exmark 52" Lazer Z Quest X-Series Zero-Turn Mower, 27HP Kohler, CARB (SN: 920000 & Above)
LZX27KC606CA - Exmark 60" Lazer Z Quest X-Series Zero-Turn Mower, 27HP Kohler, CARB (SN: 920000 & Above)
LZX29EKC606CA - Exmark 60" Lazer Z Quest X-Series Zero-Turn Mower, 29HP Kohler, CARB (SN: 920000 & Above)
LZX38KC606CA - Exmark 60" Lazer Z Quest X-Series Zero-Turn Mower, 38 HP Kohler, CARB (SN: 920000 & Above)
LZX38KC726CA - Exmark 72" Lazer Z Quest X-Series Zero-Turn Mower, 38HP Kohler, CARB (SN: 920000 & Above)
QSP20KAS443 - Exmark 44" Quest Zero-Turn Mower, 20HP Kawasaki (SN: 850000-919999)
QSP20KAS483 - Exmark 48" Quest Zero-Turn Mower, 20HP Kawasaki (SN: 850000-919999)
QSP22KAS523 - Exmark 52" Quest Zero-Turn Mower, 22HP Kawasaki (SN: 850000-919999)
QST20BE422 - Exmark 42" Quest Zero-Turn Mower, 20HP Briggs & Stratton (SN: 790000-849999)
QST20BE422 - Exmark 42" Quest Zero-Turn Mower, 20HP Briggs & Stratton (SN: 850000 & Above)
QST22BE482 - Exmark 48" Quest Zero-Turn Mower, 22HP Briggs & Stratton (SN: 670000-719999)(2007)
QST22BE482 - Exmark 48" Quest Zero-Turn Mower, 22HP Briggs & Stratton (SN: 720000-789999)
QST22BE482 - Exmark 48" Quest Zero-Turn Mower, 22HP Briggs & Stratton (SN: 790000-849999)
QST22BE482 - Exmark 48" Quest Zero-Turn Mower, 22HP Briggs & Stratton (SN: 850000 & Above)
QST23KC482 - Exmark 48" Quest Zero-Turn Mower, 23HP Kohler (SN: 720000 & Above)
QST23KC522 - Exmark 52" Quest Zero-Turn Mower, 23HP Kohler (SN: 720000 & Above)
QST24BE522 - Exmark 52" Quest Zero-Turn Mower, 24HP Briggs & Stratton (SN: 670000-719999)(2007)
QST24BE522 - Exmark 52" Quest Zero-Turn Mower, 24HP Briggs & Stratton (SN: 720000-789999)
QST24BE522 - Exmark 52" Quest Zero-Turn Mower, 24HP Briggs & Stratton (SN: 790000-849999)
QST24BE522 - Exmark 52" Quest Zero-Turn Mower, 24HP Briggs & Stratton (SN: 850000 & Above)
QT22KA421 - Exmark 42" Quest Zero-Turn Mower, 22HP Kawasaki (SN: 920000 & Above)
QT24KA501 - Exmark 50" Quest Zero-Turn Mower, 24HP Kawasaki (SN: 920000 & Above)
QTE651KA421 - Exmark 42" Quest E-Series Zero-Turn Mower, Kawasaki FR651V (SN: 313000000-313999999)
QTE651KA421 - Exmark 42" Quest E-Series Zero-Turn Mower, Kawasaki FR651V (SN: 314000000 & Above)
QTE691KA501 - Exmark 50" Quest E-Series Zero-Turn Mower, Kawasaki FR691V (SN: 312000000-312999999)
QTE691KA501 - Exmark 50" Quest E-Series Zero-Turn Mower, Kawasaki FR691V (SN: 313000000-313999999)
QTE691KA501 - Exmark 50" Quest E-Series Zero-Turn Mower, Kawasaki FR691V (SN: 314000000 & Above)
QTS691KA422 - Exmark 42" Quest S-Series Zero-Turn Mower, Kawasaki FR691V (SN: 313000000-313999999)
QTS691KA422 - Exmark 42" Quest S-Series Zero-Turn Mower, Kawasaki FR691V (SN: 314000000 & Above)
QTS691KA502 - Exmark 50" Quest S-Series Zero-Turn Mower, Kawasaki FR691V (SN: 312000000-312999999)
QTS691KA502 - Exmark 50" Quest S-Series Zero-Turn Mower, Kawasaki FR691V (SN: 313000000-313999999)
QTS691KA502 - Exmark 50" Quest S-Series Zero-Turn Mower, Kawasaki FR691V (SN: 314000000 & Above)
Quest - Exmark Quest Zero-Turn Mower (SN: 670000-719999)
Quest - Exmark Quest Zero-Turn Mower (SN: 720000-789999)
Quest - Exmark Quest Zero-Turn Mower (SN: 790000-849999)
Quest - Exmark Quest Zero-Turn Mower (SN: 850000 & Above)
QSS708GEM42200 - Exmark 42" Quest S-Series Zero-Turn Mower, Exmark (SN: 315000000 & Above)(2015)
QSS708GEM50200 - Exmark 50" Quest S-Series Zero-Turn Mower, Exmark (SN: 315000000 & Above)(2015)
QSS725GKC42200 - Exmark 42" Quest Zero-Turn Mower, Kohler (SN: 315000000 & Above)(2015)
QSS725GKC50200 - Exmark 50" Quest Zero-Turn Mower, Kohler (SN: 315000000 & Above)(2015)
QTE452CEM42100 - Exmark 42" Quest E-Series Zero-Turn Mower, Exmark (SN: 316000000 & Above)(2016)
QTE452CEM42200 - Exmark 42" Quest E-Series Zero-Turn Mower, Exmark (SN: 316000000 & Above)(2016)
QTE708GEM42100 - Exmark 42" Quest E-Series Zero-Turn Mower, Exmark (SN: 315000000 & Above)(2015)
QTE708GEM50200 - Exmark 50" Quest E-Series Zero-Turn Mower, Exmark (SN: 316000000 & Above)(2016)
QTE708GEM54100 - Exmark 54" Quest E-Series Zero-Turn Mower, Exmark (SN: 315000000 & Above)(2015)
QTE735KC421 - Exmark 42" Quest E-Series Zero-Turn Mower, Kohler (SN: 314000000 & Above)(2014)
QTE735KC501 - Exmark 50" Quest E-Series Zero-Turn Mower, Kohler (SN: 314000000 & Above)(2014)
Click to expand...

The model that I have is the QST24BE522 - Exmark 52" Quest Zero-Turn Mower, 24HP Briggs & Stratton (SN: 790000-849999). Thanks


#4

BlazNT

BlazNT

You have an all in one unit. Sounds like the pump went out in the drive but lets test first. First fix the leak because it may have allowed air into the system. Fill oil to max and try the air bleeding procedure. Do this with the back tires off the ground and engine running. Please use jack stands. Open bypass valve then push lever forward for count of 10 the backwards for count of 10 3 times. Close bypass valve and repeat.

When did you last change your hydro oil and filter?


#5

K

king809m

Let me get that leak fixed and see how it goes from there. I have only changed the hydro oil and filter once since I have had it.


#6

K

king809m

On closer inspection, none of the hoses are leaking. May be leaking from the transaxle itself. Not sure yet. But there is definitely a leak. What about the belt? I have read a few threads where the belt was slipping on one transaxle.


#7

BlazNT

BlazNT

If you have one belt for both units like you do it would be unusual for that to happen. If the hydro unit is leaking that would explain it. They work off of pressure. Leak means low or no pressure where needed.


#8

K

king809m

Thanks for you help. Is it very hard to rebuild those hydro's? I heard someone say that you had to do it in a dust free environment. I can get a rebuild kit for $100 each, whereas the cheapest hydro's that I found were a little over $1000 each.


#9

BlazNT

BlazNT

Your hydro has a filter so the dust free is not necessary. Clean is a better word for what you need.


#10

BlazNT

BlazNT

Go to hydro-gear.com for full rebuild manual. If you have a problem you can even call and talk to someone about it.


#11

K

king809m

Will do just that. And thanks for all of your help! I have a little over 3 acres, and this push mower just isn't doing it for me! lol! Wonder how I ever did this as a kid!


#12

K

king809m

Okay, I got the seal kits for both transaxles. Took them apart and everything looked like brand new inside. Got all of the gasket material scraped off, put new permatex ultra gray sealant on. Replaced the o-ring on the charge pump. Re-installed both transaxles and filled with Mobil 1 15w50 oil. Now the problem I am having is that when I go through the steps of purging the system, nothing is happening. I disengage the by-pass for the first part of the purge, and then when I put the by-pass rods in the drive position, I don't get movement from either side. Any ideas?


#13

BlazNT

BlazNT

Drive belt not installed correctly.


#14

K

king809m

Okay, let me update this for you. I messaged hydro-gear about this as well. They sent me an email stating that I may have put the charge pump covers on the wrong way. So, I took them off, turned them around, and re-installed them. After that, I did a purge again. And after dis-engaging the by-pass valves I ended up with the same problem that I started off with, less the oil leak. The right drive works perfectly, but the left is not responsive. It never made any out of the ordinary sounds prior to this happening. Matter of fact, it worked perfectly the last time that I used it last year. But when I tried to use it for the first time this year, it was right side working, left side not. Any thoughts? Thank you.


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