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Discussion Starter #1
Well it's that time....Time for the 100,000 - 105,000 mileage service. I will be doing the following:


1. Timing Belt
2. Water Pump & Gasket
3. Tensioners
4. Serpentine Belt
5. Coolant
6. Tran-axle fluid
7. Rear Diff fluid
8. Verify Seals for leakage


I want replace / repair while in for service. Can any one think of any other parts and or services that needs to be done. Example....hoses changed?
I have had the brakes and steering fluids flushed.
Also, both air filter and cabin filter replaced.


I don't want to go back in the engine till another 100,000 miles.


Thanks...
 

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Replace spark plugs
Perform valve adjustment


Remember there is both transmission fluid AND transfer case fluid.... Don't forget the transfer case.
 

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I would replaced the front crankshaft seal even if it does not leak at this time, it will potentially leak before the 200K. Do not mess with the camshaft seals, the temperature there is not that high compared with other places in the engine. Maybe you already included, but remember to include the belt idle and tensioner bearings.


Replace spark plugs and check valve clearances. For this, include valve cover gaskets and air intake gaskets. Also, replace the thermostat. That would do a full 100K service.
 

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I would also include the power steering fluid. I did my P/S fluid on my TSX and RDX around 100K and felt an improvement in steering response. I will change my P/S fluid on my next oil change for my 11 MDX (just did the 105K service a few months ago).
 

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I would strongly consider replacing the POSITIVE battery cable for your 2010 MDX (that thing is bound to cause electrical problems eventually!!)...not a cheap repair if you can't do it yourself but definitely worth it IMHO (mine came loose/failed while on the interstate resulting in the MDX completely shutting down, slowing down to a complete and utter dead stop while I was situated in the far right/slow lane...fortunately all traffic had slowed down itself to about 15mph at the time....in hindsight a very terrifying experience!)....in the end (post flatbed tow to auto-shop) there was nothing that my mechanic could do to 'tighten/secure' the cable better, the problem was just the old age/wear of the cable itself (which lasted about 101K miles before this problem happened).
The positive cable usually runs to the starter, while the negative cable is mounted on the firewall of the vehicle. Usually, a battery cable will last anywhere from 50,000 to 100,000 miles. The battery cables that are on your car are used quite frequently. Due to this amount of use, it is easy for them to wear

https://www.ebay.com/itm/2010-2013-ACURA-MDX-POSITIVE-BATTERY-CABLE-OEM-BRAND-NEW-/281984019655
<img src="https://i.ebayimg.com/images/g/x6cAAOSwzvlW-bwo/s-l1600.jpg" width="40%" height="40%">

ALSO (this one is not that expensive and is relatively easy/quick)- replace the A/C Clutch Relay of your 2010 MDX if you haven't already done so....its located within the engine compartment under the hood- this replacement is even more relevant if your '10 MDX occasionally blows warm air when the AC is on turned on (to blow out cooler air).

https://www.mdxers.org/forums/74-second-generation-mdx-2007-2013/52321-c-clutch-relay-bad.html

<img src="https://encrypted-tbn1.gstatic.com/shopping?q=tbn:ANd9GcTwdGjfT-4YEtUmWxEVWHgJkBCp0o9GsaUJbUtkKcVB86km1l49BOm6P5zg1orojbIUbNBON9h4nX3W8tTD5GRIUkrcoTg8vsgGxRhqJyGFt4VGqJCey2zx&usqp=CAc"><br>
<br>
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oh and its really a GOOD thing that you're gonna have your SERPENTINE belt replaced (on average good for about every 60,000 to 100,000 miles) *especially necessary replacement if you see CRACKS/WEAR on the outside of this belt!!!
When/if your serpentine belt breaks, slips and, ultimately, wears out, everything – from the power steering pump to the alternator and air conditioner – stops working. What's more, the parts it controls can become severely damaged. Broken hoses and belts are bad; a damaged engine is even worse!....:surprise:

Genuine OEM Acura/Honda A/C Serpentine Belt (56992-RV0-A05 /38920-RCA-A03)
https://www.ebay.com/itm/Genuine-OEM-Acura-Honda-A-C-Serpentine-Belt-56992-RV0-A05-38920-RCA-A03-/302768067747?_trksid=p2385738.m4383.l4275.c10
<center><img src="https://i.ebayimg.com/images/g/tdgAAOSwlAZacga2/s-l640.jpg"></center>

Oh and VERY LASTLY- if you're having an Acura dealership SERVICE DEPT. change your timing belt- MOST of them automatically change the COOLANT as part of the process of the TIMING BELT change!!!!....novices like me would have likely scheduled a separate $140 coolant change (ala stealership rate) if it wasn't for a honest service advisor who let me know that the coolant was ALREADY changed on my '09 MDX about 1.5 years ago when I had my timing belt changed (at around 100K miles.) :laugh:
 

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Discussion Starter #6
Thank you all for your suggestions and ideas. Speaking to my chief mechanic, I will have the following completed.


Timing Belt Replace
Water Pump Replace
Water Pump Gasket Replace
Thermostat & Gasket Replace
Camshaft Oil Seal Replace only if leaking
Serpentine Belt Replace
Crankshaft Oil Seal Replace
Belt Tensioner Pulley Replace
Belt Idle Pulley Replace
Hydraulic Tensioner Replace
Oil & Filter Changed and Replaced


Spark Plugs Replace
Trans Axle Fluid Drain & Refill
Differential Fluid Drain & Refill

Steering fluid and brake flush was completed about 6 months ago.


I personally can't think of anything else.


Again, thanks for the input.
 

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Valve adjustment!
 

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Be careful of the classic dealership trick (I worked for a few) of double and triple dipping. Example, charging you for multiple instances of the same labor operation. The labor for changing the water pump should include the labor for changing the coolant and the labor for changing the serp. belt idler should include the labor for changing the belt.

One way to detect this is to ask for a detailed estimate of labor operations. Just look for overlap.

It also does not hurt to ask if they can "Throw in" something like an oil and filter change while doing a large and profitable job. I used to offer it whenever we did a t-belt and major service combo.
 

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Thank you all for your suggestions and ideas. Speaking to my chief mechanic, I will have the following completed.


Timing Belt Replace
Water Pump Replace
Water Pump Gasket Replace
Thermostat & Gasket Replace
Camshaft Oil Seal Replace only if leaking
Serpentine Belt Replace
Crankshaft Oil Seal Replace
Belt Tensioner Pulley Replace
Belt Idle Pulley Replace
Hydraulic Tensioner Replace
Oil & Filter Changed and Replaced


Spark Plugs Replace
Trans Axle Fluid Drain & Refill
Differential Fluid Drain & Refill

Steering fluid and brake flush was completed about 6 months ago.


I personally can't think of anything else.


Again, thanks for the input.
Thanks for that list. I'm saving it for future reference.
How much did your mechanic quote for this? Any idea what the dealership is asking for this same work?
 

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Discussion Starter #11
Well got my baby (MDX) back tonight......I think the prices were reasonable, but I am only a fluid changing mechanic, not a heavy mechanic. Since I was having major service done, I listened to you guys and had everything done. Here is the price rundown.....Hope it was a good deal.


Timing Belt Replace
Water Pump Replace
Water Pump Gasket Replace
Thermostat & Gasket Replace
Camshaft Oil Seal Replace only if leaking
Serpentine Belt Replace
Crankshaft Oil Seal Replace
Belt Tensioner Pulley Replace
Belt Idle Pulley Replace
Hydraulic Tensioner Replace



All the above................................. $846.00



Spark Plugs Replace......................$135.00


Trans Axle Fluid Drain & Refill......$22.50
Differential Fluid Drain & Refill.....$22.50


Transmission Fluid change..............$90.00


Total.............................................$1116.00

Oil & Filter Changed and Replaced.....Included, No charge
Brake Fluid flush..................................Included, No charge




I get all my cars (MDX) (RDX) (4-Runner) (Maxima) serviced there. Excellent service every time I have gone there. Also got a 10% discount coupon for the RDX next major service.
 

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Why did you not do the valve adjustment?
 

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Why did you not do the valve adjustment?
my guess is gonna be that OP's decision to skip this particular recommendation, might possibly and/or partially have something to do with the $450-$700 FEE on average that Acura stealerships (not independent mechanics) are presently charging for this particular VALVE ADJUSTMENT SERVICE by itself!....

as for myself, NEXT time, I get my spark plugs changed on my '09 MDX (about 35K miles from now?)- I may consider simultaneously having the valves adjusted (by a non-stealership mechanic :29:)

while I have watched various, in depth YouTube videos detailing the valve adjustment process (specific to Acura/MDX engines), it only took but a few minutes into these videos to realize that this is definitely one of those NON-amateur vehicle maintenance procedures (should I eventually ever decide to have it done?) that will definitely never be performed (more like messed up! :surprise:) by me! :laugh:...

kudos to all of you who are skilled, confident, competent, and patient enough to be able to roll your sleeves up, get buried deep in that engine with your various tools, and do this job by yourself!! :29:

DIY: Adjusting Valves in Acura MDX
https://www.mdxers.org/forums/74-second-generation-mdx-2007-2013/156393-diy-adjusting-valves-acura-mdx.html

How crucial is a valve adjustment?
https://www.mdxers.org/forums/73-first-generation-mdx-2001-2006/99857-how-crucial-valve-adjustment.html

Pricing out Valve adjustment. What did you pay?
https://www.mdxers.org/forums/73-first-generation-mdx-2001-2006/45303-pricing-out-valve-adjustment-what-did-you-pay.html

105K Maintenance Inspect Valve Clearance
https://www.mdxers.org/forums/18-maintenance/37482-105k-maintenance-inspect-valve-clearance.html

Valve Adjustment?
https://www.mdxers.org/forums/73-first-generation-mdx-2001-2006/40784-valve-adjustment.html

 

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I totally forgot to add to the list when I dropped it off. I am sure I can get it done soon. I will have to make another appointment. What would be a fair price for a valve adjustment?
That’s too bad... a lot of the labor is shared between a valve adjustment and timing belt... cheaper to do them together.

I’d estimate $400 by itself.
Half that if bundled with t-belt.
 
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