K24 Valvetrain Photos @ 118,000 miles

[carviewsonic]

I had the first valve adjustment done on our trusty 2007 K24 Accord (purchased new) yesterday. Mileage is 190,000 kms (118,000 miles). The mechanic told me that the intake valves were mostly ok, but the exhaust valves were a bit tight. It runs a bit smoother now (especially cold) and also feels a tad more responsive.
I haven't done a valve adjustment in decades (Honda motorcycles), so I thought better to have my mechanic do this one. He snapped these photos for me. Had a brake fluid flush done as well.
Mobil 1 Advanced Fuel Economy 0w30 since 50k kms. Mobil 1 5W-20 then a few 0W-20 OCI's before 50k kms. OCI is typically 7500 kms in the summer, although I have gone 10,000 kms a few times in the summer when we did long highway trips. Winter OCI's are usually 5000 kms.
It has barely seen the highway for the last 2.5 years, since we retired and moved to the city. All short trips and city driving now.

 

[melk]

Looks great! Don’t neglect the PCV… about $30 bucks and 15 mins to change.

 

[dnewton3]

Doom and gloom are imminent. Catastrophic implosion just around the corner at 987k kms ...

 

[rszappa1]

I had the first valve adjustment done on our trusty 2007 K24 Accord (purchased new) yesterday. Mileage is 190,000 kms (118,000 miles). The mechanic told me that the intake valves were mostly ok, but the exhaust valves were a bit tight. It runs a bit smoother now (especially cold) and also feels a tad more responsive.
I haven't done a valve adjustment in decades (Honda motorcycles), so I thought better to have my mechanic do this one. He snapped these photos for me. Had a brake fluid flush done as well.
Mobil 1 Advanced Fuel Economy 0w30 since 50k kms. Mobil 1 5W-20 then a few 0W-20 OCI's before 50k kms. OCI is typically 7500 kms in the summer, although I have gone 10,000 kms a few times in the summer when we did long highway trips. Winter OCI's are usually 5000 kms.
It has barely seen the highway for the last 2.5 years, since we retired and moved to the city. All short trips and city driving now.


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One of the best engines Honda ever made.....IMO

 

[BMWTurboDzl]

Wow. Look at that thick timing chain and large cam caps.

 

[Furious]

You need boutique oil to keep the engine that clean, its not possible otherwise.

On a real note, looks great back then I personally believe Honda made the best engines, Toyota/Aisin made the best transmissions.

 

[mattd]

Can you catch your nail on those marks on cylinder 3 exhaust cam lobe?

 

[BrendanC]

cams look great by honda specs!

 

[slo town]

Can you catch your nail on those marks on cylinder 3 exhaust cam lobe?

I noticed that too. Make a mental note to adjust and check it in 50K miles. But given the K24's legendary reputation, I don't think that engine or valve train will even care or notice. Adjust the valves again in 50K miles - and I bet the cam lobe will look the same and the valve will still be in proper adjustment.

Scott

 

[carviewsonic]

Can you catch your nail on those marks on cylinder 3 exhaust cam lobe

I didn't get a good look at the photos until it was buttoned up, but I noticed those marks as well. There are 'scuff like' marks on two of the exhaust lobes that I can see. The engine sounded good before the adjustment, with no excessive tapping and it sounds good now since the adjustment.
Maybe the marks are a result of leaving the valve adjustment a little too long, and those particular exhaust valves having too tight clearance? Or, the photos make those marks appear more prominent than they actually are?

 

[loneryder]

That's a clean machine!

 

[SC Maintenance]

Looks great. Not a Honda fan but I make an exception for the legendary K24.

 

[carviewsonic]

I noticed that too. Make a mental note to adjust and check it in 50K miles. But given the K24's legendary reputation, I don't think that engine or valve train will even care or notice. Adjust the valves again in 50K miles - and I bet the cam lobe will look the same and the valve will still be in proper adjustment.

Scott

I'll do that, I have no plans to ever sell the Honda. Our kids will be stuck with it after we're gone!

 

[Exhaustgases]

Just because its clean doesn't mean its good. Nice cam wear, maybe 0W-8 next on the list.

 

[50yr Street Mech]

K24 is a great engine, but that one is even better, It has a guide running across the top of the cam gears. My 13' K24 does not have that. You def got one of the best K24's ever made. It will just keep going. Just keep up on the maintenance and it'll run forever

 

[redhat]

Looks great. The Ks are great engines.

 

[mitsuman47]

Great looking engine. I have a 2006 with 295,000 miles on it. Planning to adjust the valves this fall… for the first time.

 

[carviewsonic]

Great looking engine. I have a 2006 with 295,000 miles on it. Planning to adjust the valves this fall… for the first time.

Better late than never!

 

[JeffKeryk]

Just another pic of another stupidly perfect K24...
Our '06 TSX is close to 240K; I never check the oil between 4500 mile services. No reason to...

 

[carviewsonic]

Just another pic of another stupidly perfect K24...
Our '06 TSX is close to 240K; I never check the oil between 4500 mile services. No reason to...

Same with ours, but we still have another 120k to go to match your TSX!