100K mile service - DIY vs. mechanic - Drive Accord Honda Forums
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post #1 of 19 Old 01-19-2011, 05:25 AM Thread Starter
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100K mile service - DIY vs. mechanic

Hi folks, long-time browser, first time poster.

My 2004 V6 Accord is at 110K miles and has never had significant service beyond scheduled maintenance. I'm trying to figure what aspects of the 100K services I should do myself vs. taking it to a mechanic (we have a local Honda-only mechanic who is well regarded). I'm also trying to figure out the budget for this endeavor.

I've got access to a garage with a lift and a reasonable set of tools but will be working on my own and can't risk messing up a procedure and putting the car out of service.

My thoughts right now:

- I will do spark plugs and wires, MAF sensor cleaning and Seafoam treatment, coolant flush and fill (by the way I'm looking for the step-by step with pictures for these). With plugs at $15 each and assuming dealer wires this seems like about a $250 project.

- I will let the mechanic do the timing belt and water pump. Not sure what the going rate is for this work.

- I'm on the fence about the transmission fluid service. I think this has only been done once on this car (at 60K) and I'm aware that the recommendation here is for more frequent changes. I guess I have 3 options here: the mechanic, the oil-change place, or DIY. Can this tranny be effectively simply gravity-drained and refilled or is the recommendation for more extensive service? Again, pointers to a sticky or step-by-step welcomed.

What else am I missing?

TIA

JGM
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post #2 of 19 Old 01-19-2011, 06:35 AM
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Quote:
Originally Posted by JGM View Post
Hi folks, long-time browser, first time poster.

My 2004 V6 Accord is at 110K miles and has never had significant service beyond scheduled maintenance. I'm trying to figure what aspects of the 100K services I should do myself vs. taking it to a mechanic (we have a local Honda-only mechanic who is well regarded). I'm also trying to figure out the budget for this endeavor.

I've got access to a garage with a lift and a reasonable set of tools but will be working on my own and can't risk messing up a procedure and putting the car out of service.

My thoughts right now:

- I will do spark plugs and wires, MAF sensor cleaning and Seafoam treatment, coolant flush and fill (by the way I'm looking for the step-by step with pictures for these). With plugs at $15 each and assuming dealer wires this seems like about a $250 project.

- I will let the mechanic do the timing belt and water pump. Not sure what the going rate is for this work.

- I'm on the fence about the transmission fluid service. I think this has only been done once on this car (at 60K) and I'm aware that the recommendation here is for more frequent changes. I guess I have 3 options here: the mechanic, the oil-change place, or DIY. Can this tranny be effectively simply gravity-drained and refilled or is the recommendation for more extensive service? Again, pointers to a sticky or step-by-step welcomed.

What else am I missing?

TIA

JGM
Yes, drain/refill tranny with honda fluid. Measure what you drain and put the same amount back in. I would do this for the next 3 oil changes. You will also want to replace the external transmission filter.

I would also replace the brake and power-steering fluids as well as the antifreeze. Don't replace the water pump until it goes. It will give you prior warning.

Leave the timing belt to the mechanic.
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post #3 of 19 Old 01-19-2011, 06:40 AM
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If you are an automatic, honda tranny fluid. If you're manual, go with either GM synchromesh friction modified, redline MTF or AMSOIL MTF. The transmission fluid drain and fill is easy, just messy and time consuming.
Spark plugs are easy too, make sure to use NGK.

Timing belt and water pump should be left to the mechanic.

Coolant drain and brake fluid can be found on the DIY section. If you don't find it, check Elitecm.net

Good luck!

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post #4 of 19 Old 01-19-2011, 07:32 AM
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Quote:
Originally Posted by JGM View Post
- I will do spark plugs and wires, MAF sensor cleaning and Seafoam treatment, coolant flush and fill (by the way I'm looking for the step-by step with pictures for these). With plugs at $15 each and assuming dealer wires this seems like about a $250 project.

- I will let the mechanic do the timing belt and water pump. Not sure what the going rate is for this work.

- I'm on the fence about the transmission fluid service. I think this has only been done once on this car (at 60K) and I'm aware that the recommendation here is for more frequent changes. I guess I have 3 options here: the mechanic, the oil-change place, or DIY. Can this tranny be effectively simply gravity-drained and refilled or is the recommendation for more extensive service? Again, pointers to a sticky or step-by-step welcomed.
There are NO spark plug wires on the 04 V6. You have coil packs instead. Nothing to be on the fence about re. the atf. CHANGE IT PRONTO.

Turkey baster method to refresh the p.s. fluid.

Brake fluid: YES

Timing belt and water pump: yes on both.

Replace any leaking oil seals.

Replace any noisy tensioners.

I'd replace the thermostat and pcv valves both oem replacements.

Yes on the spark plugs as mentioned above.

Coolant: yes with Honda type II.

Maf sensor: yes.

Air and cabin filters
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post #5 of 19 Old 01-19-2011, 02:28 PM Thread Starter
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There are NO spark plug wires on the 04 V6.
That explains why nobody seems to sell them.

As to the trans fluid, I was on the fence on whether to do it myself or have the mech do it, not whether to do it.

The mech quoted me $900 to do the timing belt including tensioner, water pump, serpentine serpentine belt, all with genuine Honda parts. Within normal limits?

Thanks to all
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post #6 of 19 Old 01-19-2011, 02:45 PM
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$900 seems a little high. If I remember right I think we are @ $750 with all Honda parts.

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post #7 of 19 Old 01-19-2011, 03:50 PM
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Some good suggestions posted in this thread.

You may want to consider having the valve clearances inspected/adjusted too.

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post #8 of 19 Old 01-19-2011, 04:41 PM
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You may want to consider having the valve clearances inspected/adjusted too.
You definitely do at this mileage, get it all done at the same time.

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post #9 of 19 Old 01-19-2011, 05:14 PM
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$900 too much. ..shop around..and do the serpentine belt yourself for $25. that's probably $100 of that $900. mike's mechanics near me who specializes in hondas does it for $700.

where do i learn how to ''lubricate all locks hinges, and latches'' i should probably have that done!
there's alot of ''inspect'' on these maintenance packages...i really don't know what to look for. what is normal what isn't...i can find all that stuff...but i guess i can't completely DIY these maintenance intervals....
but i think firestone's courtesy check covers most of that stuff when i get my oil change.


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post #10 of 19 Old 01-20-2011, 07:06 AM
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look up eric the car guy on youtube. He really helped me on inspecting things and lubrication. Don't do valve clearances yourself, it's harder than it looks. I ended up having to bring it to a shop to fix it after I screwed it up. I would say leave the timing belt to the professionals. Just cause it's so important. The rest is fairly easy, especially all the drain and fill stuff.

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post #11 of 19 Old 01-20-2011, 07:41 AM
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and dont do thwe valve clearance unless they are noisy....
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post #12 of 19 Old 01-20-2011, 07:51 AM
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Originally Posted by JGM View Post
That explains why nobody seems to sell them.

As to the trans fluid, I was on the fence on whether to do it myself or have the mech do it, not whether to do it.

The mech quoted me $900 to do the timing belt including tensioner, water pump, serpentine serpentine belt, all with genuine Honda parts. Within normal limits?
Gotcha on the atf change. I would DIY since it's as easy as an oil change. Not sure if the 04 V6 has an atf filter or not??? If it does change it out. The dealer seems to always say no even when they do. So I'd listen to the people on here versus the dealer re. the atf filter.
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post #13 of 19 Old 01-20-2011, 09:23 AM
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and dont do thwe valve clearance unless they are noisy....
This is bad advice.

A tight valve clearance (as in out of specification) is quiet. A tight clearance can burn up a valve, causing major engine damage.

Often, there are no obvious symptoms until it is too late.

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post #14 of 19 Old 01-20-2011, 09:58 AM
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I dont agree they usually dont get tight they get loose.... If they are not making noise they are ok. But if you want to spend the money and do it that is your choice.
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post #15 of 19 Old 01-20-2011, 10:15 AM
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Here you go:

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Originally Posted by Fredsvt View Post
You'll hardly ever hear a J engine make noise from the valves. The exhaust valves tend to tighten, as in, lose clearance. If they get too tight, the valves won't seal. That can lead to rough running when cold, stalling, misfire codes, and at worst burned exhaust valves. The intake valves stay the same, maybe loosen just a tad.

I'd find another dealer to be honest. Or a good independent shop.

I hope while they are in there they are going to replace the timing belt idler pulley and tension pulley. They seem to be slightly more prone to failure on gen 7 versions of the J engine vs gen 6 J engines.
http://www.driveaccord.net/forums/sh...ves#post764132
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