my tundra makes a tapping noise when it is first started in the morning, but only after it is put into gear.
Is the tapping sound consistent with the rpm of the Engine? When was the last time you changed the oil?
Some times a quart of MMO will clean out the HLA's and the tapping will either go away or it won't, if it won't then it is time for lifter replacement.
the tapping is consistent with the rpms however it only does it when put in gear, take it out of gear and the tapping stops. it does sound like lifters but it stops when taken out of gear even if you race the engine it will not tap unless it is in gear.
It only will do this cold, when it warms up it stops?
yes, after it warms up it stops
You might consider installing a manual oil pressure gauge so you can see the actual oil pressure cold, there could be a oil pressure bypass valve problem that is only happening cold, the other thing I can think of is the oil filter, it should have an anti-drain back feature in it, some of the cheaper oil filters don't has this feature and can cause problems with cold starts.
i'm due a oil change now, i have it changed at the dealer, i'll ask about the oil filter and use a quart of mmo. where would i install a oil pressure gauge at and should i ask the dealer about the bypass valve?
If you are using the dealer then they automatically use the correct oil filter for your vehicle. The manual gauge will be plumbed in where the oil pressure sender is located. I would ask the dealer about the bypass valve as they may know of problems they maybe having with them.
one thing i've left out, this only happens with the weather is cold, in the summer it will not do it. i'm sorry for not telling you that before now..
Ok. What grade oil are you using. What brand. And how offten do you change it.
the last time i told them to use 10w30, i don't know what brand and i change it every 5000 miles
are there no more answers, have i done something wrong?
From the things I could find most use 5-30 in winter and 10-30 in summer. A lot of the Toyota members have switched to full synthetic, some say that they have noticed a performance increase, but that is up to you as it is added expense. As it goes away after warm up I would try a quart of MMO and run it for around 1500 miles, if it is going to work it will have do it's job by then.
I would like to thank both of ya'll for the answers that you have provided. I will take your knowledge and put it to use. Again THANK YOU. lws48
I have a tundra v8 also. My problem with the sound is a leak in the exhaust manifold.
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