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And if there are salt deposits you have probably been filling some coolant concentrate along with tap water. Please stick to pre mixed Mahindra purple coolant or use a good third party coolant with distilled water rather than tap or bisleri as I said

An old radiator will generally have clogged tubes due to salt deposits and/or corrosion. So it is best to get it cleaned.

If the radiator is copper, then any radiator shop will do the job. They dismantle the radiator by unsoldering the top and botto and then meticulously clean each tupe. If there is a leak after cleaning they will plug that tube.

In case rhe raiator is steel or other alloy based, then it is best to replace it, as dismantling is not feasible, and no amount of pressure can clean clogged tubes.

UPDATE
Got the full set of radiator hoses changed. The OEM ones lasted for 13.5 years and served well. The Mech said that the condition of the radiator is pretty ok and can last a few thousand more KMs (Fingers crossed) I am testing the performance and cooling of the raidator now it seems fine.

Thanks for all the suggestions and support

Peculiar Issue on my Scorpio MHawk VLX 4WD 2011

Hi,

I have this peculiar issue on my Scorpio. At random, (even in idling) the rpm would drop towards zero and be back. This, when it happens when the vehicle is moving would make a "thud" sound as if the gear is slotted without clutch. Any guesses of what could be wrong?

Took my vehicle to an independent garage and did not have a solution yet.

What would be suspect here?

I would suggest you to take a look into the ECU error code (if any) first. Also I will suggest to take it to the authorised service center to get checked. If it was only the meter needle doing the dancing then I would suggest battery, but the sound can be from EGR also.

Most likely related to fueling - check the fuel lines from tank to the engine, replace the fuel filter and make sure there is no air in the lines, they have to perform the purge.

A visit to the ASC is certainly recommended, a very popular car and issues are well known to them.

Would second the reply already made. Suggest you get the fuel filter checked, I had faced a similar issue - RPM fluctuating randomly sometimes, this was due to a filter issue.

Hi - There is etching sound coming from the steering when I turn it few rounds at low speeds. What could be the possible issue?

Steering rack possibly. Get it up on a ramp at the dealer and checked.

My Scorpio LX 2010 Front Wheel Rubber Apron under the fender has come off. The rubber has aged and just broke off. I have ordered the replacement and most likely will reach me by 29th March. Only difference I have found is the increased tyre noise, apart from that everything else works fine.

Can I do a long drive without it and would it cause any issues to the engine? For instance, the rubber apron protects the dust and other road particles getting inside the engine bay. I wanted to avoid any issues, hence asking.



I have a second querry as well

There is a squeaky nosie when I engage the break. I took it to the neibhourhood garage, cleaned the front breakpads and rear drums and then put them back. It was not there initially for a day but have started to hear the noise subsequently. When I half press the break pedal, there is a squeaky noise, but not during the full engagement of the break pedal.

The mech mentions that the break pads may have gone hard. The pads are brand new and I have used them only for 5000 kms so far, so I don't suspect the pads, but I feel there could be some other issue that is going unnoticed.

Anyone else faced similar problems and what solutions did you apply?

Change the brake fluid especially if you haven't changed it in the past 2-3 years. And also ensure that the brake calipers are well greased.

Yes, there is a need of brake pad replacement, check for brake rotors (discs) run out this can also lead in uneven wear of brake pads as well. Finally, get the brake caliper pins too changed.

Please do make sure that the brake bleeding is performed thoroughly.

What would be the average cost of a full body repaint. I don't plan to change the color. I have a few areas of surface rust that needs cleaning and small dents that have come on account of stone hits while driving on the highways.

I am just evaluating it as I need to send my car for RC extension for another 5 years.

Regards,
Diwakar

I have one issue that has been troubling me for the past few months. Yesterday (5/8) while on my way to office, I noticed the overheating needle go towards the red light area and the blinking started. As I was in the middle of peak traffic I had to drive in the same vein by switching off the AC and reached office parking. I let it cool and then opened up to see that the radiator and aux tank had gone dry.

I always keep a coolant can in the car and I topped it up with 1L coolant and then added mineral water for the rest as I had suspected that it would leak somewhere.

Today morning, I checked the levels once again and drove it to the service center. While the temperature was maintained, I noticed some kind of pressure blast inside the engine bay. My suspicions

1. I had initially though the hoses have gotten old, so it is leaking off. The hoses were changed 6 months back and it seemed to work well But,
2. Engine head gasket is still the OEM part and haven't been changed (nearing 1L KM ad 15 years). Maybe my suspicion is that this is the reason why the coolant levels are dropping.

Could it be a bigger problem?

Car is in the service center now, I hope I don't get a big bill. Fingers crossed.

If there was coolant sprayed in the engine bay that generally means that there is a leak in the hoses.

If the coolant is leaking into the cylinder, then the coolant will get mixed with fuel and is thrown out of the exhaust. It will not be in the engine bay. So from what you are describing, it seems like a simple case of a broken hose. Let's see what the workshop says.