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A rear main seal leak is one of the most serious oil leak issues any Changan owner can face. When this seal fails, oil leaks out from the back of the engine where the crankshaft exits the block — leading to rapid oil loss and risking severe engine damage. At Changan Garage Dubai, we specialize in precise and efficient Changan rear main seal leak repair services to restore engine integrity and keep your Changan running safely. Whether your vehicle is manual or automatic, our certified technicians provide expert repairs backed by warranty.
The rear main seal plays a critical role in sealing the crankshaft and keeping engine oil inside the motor. It prevents oil from leaking where the crankshaft connects to the transmission. Over time, several factors may cause this seal to wear out:
Natural aging and hardening of the seal
Excessive heat and pressure
Engine vibrations and crankshaft movement
Poor maintenance or contaminated oil
Once damaged, the rear main seal allows oil to escape, which can result in major engine oil leaks. At Changan Garage Dubai, we address this issue with advanced tools and expert workmanship.
Detecting a rear main seal leak early can help avoid costly engine repairs. Watch for these symptoms:
Oil dripping near the rear of the engine or transmission bell housing
Sudden or continuous low engine oil levels
Clutch slipping issues (for manual Changans)
Visible oil spots where the Changan is parked
Burning oil smell while driving
If you notice these signs, don’t wait. Bring your Changan to Changan Garage Dubai for a thorough inspection and repair.
Rear main seal replacement is a labor-intensive process that requires engine or transmission removal. At Changan Garage Dubai, our experienced mechanics handle these jobs with precision and Changane.
We use advanced diagnostic tools to confirm rear main seal failure and rule out other potential leak sources like valve cover or oil pan gaskets.
We install only premium OEM or high-quality aftermarket seals that offer excellent durability under harsh conditions.
Issue: Oil leak between engine and transmission
Solution: Remove transmission, replace rear main seal with premium part, and reinstall properly
Issue: Low engine oil levels
Solution: Fix seal leak and refill engine oil to manufacturer-specified level
Issue: Burning oil smell or clutch contamination
Solution: Replace rear main seal and clean clutch components if necessary
Issue: Oil dripping from rear engine area
Solution: Inspect crankshaft and replace rear main seal after thorough cleaning
Due to the labor-intensive nature of this repair, the cost varies depending on vehicle type. On average, Changan Rear Main Seal Leak Repair at Changan Garage Dubai ranges from AED 1200 to AED 2800. Our rates include parts, labor, and warranty, ensuring complete value and peace of mind.
Rear main seal leaks don’t fix themselves — they only get worse. Avoid engine damage, oil starvation, and unnecessary expenses by booking expert rear main seal leak repair with Changan Garage Dubai today. Our trained professionals deliver fast, reliable service to get your Changan back on the road safely.
You risk severe engine damage from oil starvation and contamination, which could lead to complete engine failure.
Very serious. It is one of the major engine oil leaks and should be addressed as soon as possible.
Yes. In manual vehicles, leaking oil can contaminate the clutch, causing slipping and premature wear.
No. In most cases, either the engine or transmission must be removed to access and replace the seal properly.
Depending on the vehicle, it typically takes between 6 and 12 hours due to the labor involved.
Adding oil only compensates for the lost oil but does not stop the leak. Proper seal replacement is the only fix.
Age, heat, crankshaft misalignment, and improper maintenance are the most common causes.
No. While some claim to slow leaks temporarily, only physical replacement of the seal provides a permanent solution.
If the Changan is otherwise in good condition, repairing the rear main seal can prolong its life and save money in the long run.
Yes. All rear main seal replacements at Changan Garage Dubai come with a service warranty for your peace of mind