What Causes the Baojun 730 to Pop Out of 2nd Gear?

1 Answers
VanPeyton
07/29/25 5:55pm
Gear popping refers to the transmission automatically shifting from a certain gear back to neutral while the car is in motion. Mechanical Misalignment: The gear linkage mechanism is misaligned and not fully engaged, which can be resolved through adjustment. Mechanical Wear: Wear in the reverse gear locking mechanism inside the transmission prevents effective locking of the reverse gear. Thrust-Induced Gear Popping: Long-term wear on the meshing teeth of the inertia lock ring or the synchronizer cone ring and the inner meshing teeth of the sliding sleeve forms a tapered shape, generating axial thrust on the meshing teeth. When this thrust exceeds the locking force of the gear spring, gear popping occurs. Gear Spring Lock: The locking force of the gear spring weakens or breaks, or the self-locking steel ball dislodges or gets damaged. Severe Wear: The gear shift fork and gear shift sleeve are severely worn, or the shift fork is deformed. Improper Adjustment: Improper adjustment of the gear shift mechanism in the operating lever results in incomplete gear engagement, leaving the meshing teeth in a semi-engaged state. Solutions: Adjust the force properly or replace the synchronizer.
Was this review help?
11
4
Share
More Forum Discussions

What is the function of antifreeze?

Antifreeze is a type of coolant containing special additives, primarily used in liquid-cooled engine cooling systems. It offers excellent performance in preventing freezing in winter, boiling in summer, and protecting against scale and corrosion throughout the year. How to choose antifreeze: The basic indicators of antifreeze are its freezing point and boiling point. On the market, antifreeze is available in several specifications with freezing points of -15°C, -25°C, -30°C, and -40°C. Generally, it is advisable to choose an antifreeze with a freezing point at least 10°C lower than the lowest temperature in your region. Composition of antifreeze: The main components of antifreeze are: 50% purified water, 40% methanol, and 10% other substances. Antifreeze replacement cycle: Vehicle antifreeze generally needs to be replaced every 2 years or 40,000 kilometers. This is just a reference cycle. For commercial vehicles with longer mileage, the replacement cycle is shorter. Since driving conditions vary for each vehicle, the replacement should be chosen based on actual usage. Check the condition of the antifreeze; if it is found to be insufficient, replenish it promptly. If suspended particles, sediment, or signs of deterioration or discoloration are observed in the antifreeze, replace it immediately and clean the system.
13
2
Share

What Causes the Intermittent Functioning of the Reversing Camera?

The intermittent functioning of the reversing camera is usually due to poor contact in the wiring. The solutions are as follows: Check for Loose Connections: Inspect the wiring connections between the reversing radar and the vehicle's installation points to see if there are any loose connections—poor contact can cause the reversing radar to function intermittently. Check the Reversing Radar's Sensor: The sensor may sometimes malfunction due to car washing or high-pressure water jet cleaning. Check the Reversing Radar Itself: If the above checks do not resolve the issue, then check whether the reversing radar itself has any inherent defects or damage. Check the Display Screen: Try other functions to see if they display normally on the screen. If they do, the problem lies with the reversing radar. If not, the issue is with the display screen.
10
5
Share

Does a low car battery display the battery warning light?

The indicator for low car battery power is the battery status warning light, which displays as a battery symbol. Below are relevant details about this indicator: 1. Battery or engine issue: If the battery status light remains illuminated, it indicates the battery is not charging. After starting the engine, the alternator should charge the battery, causing the light to turn off. If the light stays on after engine startup, there may be an issue with the charging system, meaning the alternator is not generating electricity. This could be due to charging circuit problems or faults with the battery or alternator. 2. Charging system issue: Charging system problems are typically related to the alternator or battery. Possible causes include a faulty alternator, battery defects, or poor wiring connections. It is advisable to first inspect the battery condition and alternator output. If these are normal, then check the wiring for any shorts or disconnections.
17
5
Share

What is the Difference Between Non-Independent Suspension and Independent Suspension?

The following are the differences between non-independent suspension and independent suspension: 1. Different advantages: Advantages of independent suspension: Lightweight, reduces the impact on the vehicle body, and improves the ground adhesion of the wheels; Advantages of non-independent suspension: Simple structure, low cost, high strength, easy maintenance, and minimal changes in front wheel alignment during driving. 2. Different disadvantages: Disadvantages of independent suspension: Complex structure, high cost, and inconvenient maintenance. Disadvantages of non-independent suspension: Poor comfort and handling stability. 3. Different categories: Independent suspension includes MacPherson strut independent suspension, multi-link independent suspension (four-link, five-link independent suspension), and double-wishbone independent suspension. Non-independent suspension includes torsion beam non-independent suspension (Watt's linkage suspension) and trailing arm non-independent suspension (semi-independent torsion beam suspension).
2
5
Share

How much weight can a 3.8-meter truck carry?

A 3.8-meter truck can carry approximately 2 tons. Below is an introduction to relevant knowledge about trucks: 1. Truck classification: There are three types of models—flatbed trucks, high railings, and fully enclosed vehicles. 2. Dimensions: Due to variations in models and manufacturers' specifications, only the mainstream logistics vehicles currently on the market are introduced: 2-ton trucks are generally about 4 meters, mostly 4.3 meters; 3-ton trucks are about 5.5 meters; 5-ton trucks are about 6.2 meters; 8-ton trucks are about 7.2-8.8 meters; 10-ton trucks are about 9.6 meters; 12-ton or 15-ton trucks are generally 9.6-12.5 meters; 20-ton trucks are generally 12.5-14.5 meters; 25-ton trucks are generally 12.5-15 meters; 30-ton trucks are generally five- or six-axle vehicles of 14-17 meters.
7
2
Share

What are the effects of adding engine coolant beyond the MAX mark in a sedan?

For reputable brands of engine coolant, adding too much will not have significant effects. The excess coolant will expand due to heat during vehicle operation and overflow through the pressure relief valve, causing no harm other than leaving some stains. However, it is advisable to use a syringe to remove the coolant that exceeds the maximum level. In contrast, substandard coolants produced by inferior manufacturers may be corrosive. Not only can they damage the cooling system, but the overflow of excess coolant can also harm electrical wiring and other components in the engine bay. In severe cases, it may even corrode the radiator and flow into the engine. Generally, vehicle engine coolant should be replaced every 2 years or 40,000 kilometers. This is just a reference interval. For commercial vehicles with higher mileage, the replacement interval should be shorter. Since driving conditions vary for each vehicle, the replacement should be based on actual usage. Regularly check the coolant level and replenish it promptly if it is low. If suspended particles, sediment, or discoloration are observed in the coolant, replace it immediately and flush the system. Methods to determine if the engine coolant is low: Observe the coolant warning light on the dashboard. If it illuminates, it likely indicates low coolant, though it could also be due to excessively high cylinder temperatures. Inspect the coolant reservoir. If the level is below the minimum mark (MIN), do not continue driving and add coolant promptly. Check the water level markings on the coolant overflow tank. The normal coolant level should be between the MAX and MIN marks. If the level is below the MIN mark, it indicates a coolant shortage.
17
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.