NewBeee with a question or two

I just got a 2005 TRD Pre-Runner V6 and I'm lovin' it.

There is an sticker under the hood that gives specs on intake and exhaust valve lash. I could not find any information in the maintenance schedule about valve checks so my question is, " is there a valve adjustment that has to be performed on this engine or not"?

The second thing is on the differential there is a sticker that says "use LSD oil only". Does the TRD with the option 2 package have a limited slip differential or is that sticker just to inform what type of oil should be used even if it is a standard differential.

Thanks for any infro.

Bob

Bob, I don't have a 2005 truck, but my 2004 has the same information on the underhood label. I received a Passport to Performance 2004 Maintenance Guide with my Toyota manuals packet. In the SUV and Pickup section valve clearances should be inspected at 60K and 120K miles. Your 2005 recommendations may be different, but my gut feeling is they will be the same.

Somewhere on the window sticker that came on your truck the information about the type differential you have should be listed. A 2004 brochure I have says the 2004 TRD package includes a locking differential the engine is a V6, so I'm pretty sure the 2005 TRD package would also have a locking differential.

Clifton

Yes the 2005 TRD has the rear locking differential. Nice truck by the way - I'm a little jealous. Welcome the the AF!

"In the SUV and Pickup section valve clearances should be inspected at 60K and 120K miles. Your 2005 recommendations may be different, but my gut feeling is they will be the same."

For what it's worth, I had a '90 base model P/U and checked the valve lash at 30k, 60k 90k and 120k. Spent a couple of hours running through things, replaced the Valve cover gasket, grommets etc each time, and at not time were ANY of the tolerances out of spec. That was also true of the '86 Accord that I had. Oils and filter changes every 3k, air filter as needed, etc. Great vehicles with just a little care and maintenance.

Bernie

Bernie, Since you brought it up I have to agree with you, I have never found any off enough to go to the next size shim. But I guess we have to assume the official Toyota position on valve checking is as outlined in the maintenance manual.

Clifton

[QUOTE=N6UBOOils and filter changes every 3k, air filter as needed, etc. Great vehicles with just a little care and maintenance.

Bernie[/QUOTE]

Yeah, I heard this engine is a bit tough on oil. I sort of want to use Mobile 1 synthethic and I don't like the concept of 5W-30, it is too(much of a spread and for my area (east Tennessee) I don't need the 5 weight because it doesn't get that cold so I am going to 10W-30.

I also don't buy into changing the synthetic every 12-15,000 miles due to normal dilution of the oil by gas. I think that a 5-7000 mile change is good economic sense as well as good mechanical sense but anything over 5000 may not play nicely with the warranty. I have to speak to my dealer's service manager about that one.

There is also some question about using after-market filters like the Purolator Pure-One that claims to have an anti-drainback valve that Toyota demands for that engine. The oil filter is high and upsidedown and oil would drain out if there was no valve. Another question for the warranty boys and girls.

Thanks for the info so far. I assume that the valves are shim under bucket adjustments and to change one, you have to take out the cam. I plan to get the service manual soon for more details.

Bob

Bob, There are special tools for depressing the cam followers to change the shims without having to remove the cams. The tools are usually expensive and there doesn't seem to be a common tool for all vehicles so the tools are usually vehicle specific.

I use Toyota filters on my truck. I have recently opened some new aftermarket filters and all I have looked at have anti-drain back valves. They also have by pass valves. There is lots of difference in quality among the different brands of filters. Some filters I wouldn't use in a lawn mower. I have never experienced any problems with Purolator filters in my older vehicles. I use factory oil filters on my vehicles until the warranty expires.

Clifton