then check if there are any gaps: they should not be and the volume should sit very tightly
Why does he eat steam at the editor? changed 5 editors but is not enough for 100 km. What is the reason?
Skopee will just bend the rear axle. Because of this, there is a change in the field, thus increasing the load on the differential.
From this article you will find out how often you need to do this, how to change the shoes on the front and rear wheels. We advise you to read everything to save on CTO.
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The history of creation and design features. RULES OF CONDUCTING CHECKING THE TECHNICAL CONDITION, MAINTENANCE OF THE ENGINE AND SUSPENSION. How to properly remove and install this engine.
There comes a time when there are extraneous noises, howling, rustling, grinding in the main gear of a Gazelle car, the gearbox heats up. This is a reason for an urgent inspection of the liner for the presence of backlash and oil, for the presence of metal shavings, metal debris in it. Perhaps repairs and adjustments are needed, because the first signs of breakdown are obvious.
Video (click to play).
Advice. Before getting started, weigh your knowledge and capabilities. Maybe it's better to contact a car service! If you are confident in yourself, start.
For convenience and safety, install the gearbox on a stand, or clamp it firmly in a vice. Believe me, the repair of such a unit requires a rigid attachment and nothing will work on the table or floor.
The work begins with the installation of marks on the bearing caps and the crankcase. They are needed so that during assembly the parts fit strictly into place.
Unscrew the bolts with a 12 key and remove the yoke stopper. Using the "17" head, unscrew the four bolts of the bearing caps. They come off easily if you lightly tap them with a hammer.
With a special key - it can be made from a steel strip and a piece of round timber - or with a large screwdriver, unscrew and remove the yoke. The differential is free, dismantle it.
Now you need to remove the driven gear. To do this, unscrew 10 bolts with a "17" head, knock it down with a soft metal hammer or through a drift.
Before disassembling the differential box, put marks on both cups and unscrew 8 bolts with the head "13" separate them.
Remove the first half-axle gear.
Carefully knock out the crosspiece with a hammer and disassemble it, removing washers and satellites from their axles.
Remove the second gear.
To make it convenient to remove the flange, lock it, unscrew the nut and unscrew it with the "24." The flange can now be easily removed.
Pull the drive gear out of the crankcase and remove the spacer sleeve, the adjusting ring, and using the puller the inner and support bearings, the adjusting washer, and knock out the old oil seal from the body and remove the outer bearing.
Using a drift, remove the bearing races.
Wash all parts with kerosene, carefully inspect and reject. If necessary, replace them with new or used ones, but suitable for service. Remember that in a gear pair - the main gear - the gears do not change one by one. That's why they are a couple.
Assembling the gearbox is a complex and responsible process due to the presence of the necessary adjustments, for which special devices are needed. There is no point in describing them, since they are intended only for gearbox adjustments.
The time of using the assembled gearbox, which means its performance, depends on the quality of these works and the correctness.
GAZelle rear axle gearbox repair requires precise adjustments and it is desirable to carry it out in specialized services. If you are confident in your abilities, then especially for you we provide step-by-step instructions for adjusting the rear axle gearbox on GAZelle cars. Before starting repairs, read about the device of the gazelle rear axle reducer.
After removing the gearbox, we proceed to disassemble it, having previously clamped it in a vice. We unscrew the bolts that secure the locking plates and remove them.
It is worth marking the bearing caps so that in the future they do not confuse the places where they need to be installed. Unscrew the bolts with a 14 wrench, remove the covers.
We also remove the adjusting nuts and the outer races of the roller bearings.
Inspect bearings for suitability, label each outer race.
Check the backlash in the semi-axle gears, it should not exceed 0.5mm, otherwise the differential box will need to be replaced. Remove the bearing and unscrew the planetary gear.
We knock out the axis of the satellites and take it out.
We take out the drive shaft with the gear from the gearbox housing and knock out the inner ring of the roller bearing with a soft metal drift. We replace the adjusting sleeve with a new one.
Remove the adjusting ring.
Using a punch, it is necessary to knock out the outer rings of the bearings.
We wash over all the details, inspect. Parts must be replaced if they are chipped, cracked, or have shells. We polish the seizures with sandpaper.
Next, we start assembling. If all the parts are the same, then we only change the spacer sleeve and the oil seal. If something was changed on the main pair, then we also change the spacer washer, we select it according to the size indicated on the new shaft. We install a new ring and press in the inner bearing race.
We install a new spacer sleeve on the shaft and put it in the gearbox housing. We put a new oil seal. We put on the flange, tighten it with a new nut.
We collect the differential, put it in place. If backlash was found in the side gears, then thickened washers will be needed. We tighten the covers.
We make a special key for adjustment.
We start adjusting. We wrap the nut from the side of the driven gear until the gap disappears. We measure it with a caliper.
After tightening the second nut, tighten another 1-2 teeth. With the first nut, the gap is adjusted to 0.08-0.13 mm. We tighten both nuts until the distance increases to 0.2mm.
We turn the gear by hand and check the backlash - it should be the same in different positions. Install the locking plates and bolt them. The differential must be replaced if the backlash is not the same.
We examined the disassembly of the axle gearbox in the article - How to disassemble the rear axle of a Gazelle car
In this article, we will consider how to properly assemble and adjust the gearbox of the rear axle of a Gazelle car.
We assemble the main gear in the reverse sequence to disassembly, lubricating the bearings and gears with transmission oil.
Having installed the drive gear in the gearbox housing, tighten the flange nut with a torque of 16–20 kgfm using a torque wrench, while the gear must be turned to correctly install the rollers in the bearings.
We install an indicator with a graduation value of no more than 0.01 mm on a tripod, resting its leg against the end of the flange and moving the shaft behind the flange, measure the axial play of the drive gear
To eliminate the backlash, take out the spacer ring installed on the gear shaft (see - How to disassemble the rear axle of a Gazelle car) and measure its thickness with a micrometer.
We select and install a new spacer ring.
It should be thinner than the removed backlash and an additional 0.05 mm thinner if the pinion bearings are new, or 0.01 mm if the bearings are the same.
In the absence of axial play of the drive gear, we check the torque of resistance to the rotation of the shaft with a special torque wrench with a division value of up to 0.5 kgfm.
With correct adjustment, the moment of resistance should be 15–20 kgssm for new bearings or 7–10 kgssm - if the bearings are left as they were.
With sufficient accuracy, the moment of resistance can be measured with a household steelyard by hooking its hook over the hole in the flange.
In this case, the required values will be less - 3.8–5 kgf and 1.8–2.5 kgf, respectively.
If the moment of resistance is greater, we change the spacer ring to another one, thicker by 0.01–0.02 mm, if less, then we select a ring of smaller thickness.
The bolts of fastening parts of the differential box and the bolts of the driven gear, as well as their threaded holes, are degreased and covered with an anaerobic sealant before assembly.
We pay special attention to the cleanliness of the end surfaces of the gears and the gearbox of the satellites, the slightest dirt or nicks are unacceptable.
There are strange sounds in the axle shaft, which means the repair of the rear axle gearbox on the Gazelle on the nose. The topic becomes immediately clear to drivers of cars of class "C" and higher, since the concept of a differential is much closer to them. It all starts with an insignificant hum, and if you do not intervene promptly, then it will become stronger and stronger, eventually leading to the complete failure of the semi-axle or the bridge as a whole.
Due to the fact that few people know where which mechanisms are located, not everyone undertakes to repair the car on their own, although it's a trifling matter... Everything about everything will take an hour or an hour and a half, no special experience is required if you strictly follow our practical recommendations.
The repair of the rear axle gearbox on the Gazelle must be started only after you are 100% sure that the reason is in it, otherwise you will screw it up.
Adjusting the gearbox of the bridge on the Gazelle, how to adjust the gearbox on the gazelle with your own hands, adjusting the gearbox with your own hands gazelle
