18' trd vacuum pump vs. Non vac pump motors???

That is what I would have expected to have happen, lack of pressure to other camshaft-delivered oil pressure-dependent components, such as VVT. I'll look into it further when I have time.

EDIT: After looking further, it appears I was originally correct, and there are no engines that have no pump and no ball. It's either pump or ball. It's just not extremely well documented, I dug a bit deeper and that is in fact the case.

Jeff

 

My curiosity about the options here stem from the volume of the vacuum pump. It just kind of sounds like it is bad. Or something bad is happening. It seems to get Worse (louder) the more I drive throughout the day. The brakes work fine still. Once this thing starts to go though….If I could just shut it off and install an electric pump I’d be fine with that. At least then repair wouldn’t be a pain and it would probably cost a lot less.
I suppose I am going to wait until it fails. This is a minor repair but the things it touches and downstream effects if done improperly……

 

When you're at the point just use a brass punch to pile in the ball so nothing gets damaged. Don't use steel. I also don't recommend wood as it can splinter and find it's way somewhere bad

 

my truck has a vacuum pump engine with a bad cylinder. I bought a non-vacuum pump engine by mistake. Can I just swap the cam and vacuum pump out of my original engine into the new one?

 

That should work just fine.

Damn, feels like a lot of people dealing with engines lately.

 

Other than the vacuum pump and the ball in the end of the cam are the two motors identical? Are all the cam sensors the same and stuff like that?

 

As far as I know those are the only differences. There are two versions of VVT actuators but supposedly they both plug in and function the same regardless. Not aware of any cam sensor differences. Even the cams themselves are the same, just one has the ball and the other does not.

 

Would the VVT actuators be different if it was a manual or automatic transmission?

 

Not that I know of.

 

on one motor the actuators have a large D after the part number on the other motor it’s a large c? Just trying to wrap my head around this. Thanks for the help

 

I’m not an expert on the differences between any of those but I recall them being mentioned as interchangeable and that there were two types. I would guess the different letter part numbers you are seeing are those different actuators. Still, as far as I know they are interchangeable. They look different behind the flange, visible once removed from the timing cover.

 

its TRD Offroad and Pro, that have vacuum pump not just TRD

 

I believe the offroad and pro had a hydro-brake booster for crawl control purposes and the other non-crawl control models were just vacuum pump equip.

 

Correct.

TRD Off-Road & Pro - block-off plate and sealing ball installed in cam. Electronically operated hydraulic booster.

All other trims - vacuum pump installed and no sealing ball in cam. Conventional vacuum booster.

 

Yeah, you should be fine.

 

Is there a way to swap out the cam without removing oil pans, and timing cover?

 

Theoretically yes, if you can remove the tension from the chain and chain has enough slack.
But I dont think the tensioner inspection cover is large enough to manipulate the tensioner.
It requires some force to compress the tensioner.
Also there is a risk to drop the chain and messed up the timing.

 

You can buy a new ball and install it without removing the cam.

 

All trims other than Off road and Pro have the hydraulic brake booster. All others have vacuum booster as I recall.
SR, SR5 and TRD sport all have the vacuum booster.

 

Have you done that? Seems like there would be a risk of messing up the cam bearings…I’d think it requires a bit of hammering at least to get the ball installed.