Vehicles (17 Jan 2019)
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M13A engine overhaul service after 55 000 miles
The previous (1st) owner said that he has never done anything to the engine except changing engine oil, oil filter and air filter.
Now I want to do a proper regular maintenance, and I am wondering what should be done at this mileage.
I read the user manual and it says that right now is the time to change the following:
- Engine oil, oil filter and air filter (nothing special)
- Both driving belts
- All four spark plugs
- Engine coolant
However, I have not found any information if there is anything else to change at this mileage.
What about any belt tensioners (which ones), pulleys, water pump, sensors, gaskets, anything else?
Should also any engine part be preventively replaced at this mileage as a sound practice from general community experience?
I also intend to change all fluids in the vehicle (differentials, gear box, transfer box, brake, power steering, air conditioning) and the cabin filter.
What is the part number or some other specifications of that bottom pulley? The drive belts are in bad condition and need replacing. So what's with the water pump and some other related parts when doing the belts?
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If the new belts show excessive wear rate then i would look at the tensioner and the crank pulley. Martin sells new bearings, etc so the tensioner can be rebuilt and the crank pulley replaced. The water system is very strong on these motors also
Water pumps don't cause issues on these cars.
I'd also check the colour of the power steering fluid and if not cherry red, replace it too.
The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.
My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0
There is actually a strong buzzing noise coming from the engine, and it's either one of the belts or some of the bearings (hopfeully nothing else!). I suspect the power steering belt pulley bearing, but I will only be known after removing the belts for due replacement.
Just to clarify, is the "tensioner" which Riccy mentioned actually this:
And is the "crank pulley" this mighty expensive part:
By the way, should this crank pulley ever be replaced as a part of regular maintenance?
If the water pump happens to be making the noise, which aftermarket brands have proven to be good (Blueprint perhaps)?
P.S.: I do intend to change all fluids and filters in the vehicle, including the windshield washer fluid which got some foul odor
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The noise could be the A/C compressor also as thats on the same belt as the power steering. This can be bypassed with a 4PK850 belt if needed for testing purposes (or permanently). I have seized bearings in mine, but have found you can swap the pulley from another compressor without loosing the gasses from the A/C. The donor identical pulley/clutch part i have is from an ignis i think, yet to fit however as its a radiator out job to get at it.
A listening stick is the way to find the cause of the noise. You could run the engine briefly with no belts on or one removed to see if that helps trace it.
If you are changing the belts you might as well take the rad off and drain the coolant too, and I'd be tempted to change the tensioner bearing and maybe even put in a new crankshaft sensor while you've got easy access (both are relatively cheap to do and are known to give trouble, although usually at higher mileage). Check the crank pulley is in good condition too.
Now it will take some tome to getting used to having a worry-free engine, but with half the braking power of the old one
Anyway, it turned out that both belts were quite cracked and that the power steering belt tensioner bearing was almost seized. I would have bought the bearing from Martin but I managed to find the original one locally and time is of the essence when the vehicle sits dead in mechanic's garage ...
I am surprised to find that the originally installed spark plugs are still in the vehicle at 55 000 miles. Should I replace them without hesitation now?
A local car parts store recommended Bosch FR6KI332S iridium spark plugs for my Jimny, which are half the price of NGK's IFR6J11 iridium spark plugs (which Suzuki originally recommends). These Bosch plugs cost me about 9 EUR per piece, while NGK's cost about 18 EUR per piece.
However, I've also been told that "japanese cars generally don't like german spark plugs".
Has anyone had experience with Bosch spark plugs in Jimnys? I've also found these Suzuki recommended NGK's spark plugs for just like 7 EUR per piece on Ebay ( here is an example ), but I am afraid this might be scam (fake copies).
Also, does anyone have some good experience with some "special" spark plugs, like some which claim to give better MPGs, or more power at lower RPMs or so?
The coolant will be drained. It was green, so I intend to pour some standard G11 green type in it. I am just not smart enough to conclude which of those fancy "OTA" I should use !?
What is the Suzuki part number of the crankshaft sensor?
There is no magic spark plug that will give you any benefits. Whatever you fit, as long as they meet the manufacturers spec, you will get the same performance from them for the life of the plug.