2004 Tundra 4.7l Sr5 Oil Pan Leak

Have 2004 SR5 Tundra 4.7L auto trans 2wd TRD. Lower Oil pan is leaking -minor -from
pan edge-.Wanted opinion of NAPA Aftermarket Gasket versus Toyota recommended Gasket RTV/sealer. Do this repair require any other parts to be removed to replace? Any feedback would be appreciated THX

 

Take some pics and post up. I too have the slight weep around my engine oil pan gasket after a switch to full synthetic oil. Its only a few drips and not worthy of repair, which by the way, looks like it has a high degree of difficulty due to our frames being in the way.

Those oil pan bolts look like they may break so maybe have some extras just in case. I’d use the Toyota FIPG (gasket caulk) if I was you as its super high quality. Used some on some valve covers and its holding well.

Document your work as I do not think anyone here has dropped their engine pan. It would help us all.

 

Yes , this occurred after I changed to Synthetic oil.Will keep outcome posted .

 

Maybe run the existing oil till expiry and then switch back to regular dinosaur high miles oil. Some have reported this works to stop the leak.

 

THX will try

 

Try re-torquing the bolts to spec before going through the work to remove and replace the oil pan seal.

 

I took my 06 Tundra in for the airbag recall and was told the same thing, oil pan gasket leak. I also just recently switched to full synthetic and notice this although it is so minimal that I don’t lose enough to worry between oil changes(yet). The dealership quoted me $1900 to replace it due to having to either drop the Diff and other parts of pull the engine to do it. Sadly I can’t justify $1900 for a $12 part that really isn’t causing me issues(yet). Hopefully it will last long enough for me to throw that kind of money at it.

 

For 2 grand you could find a low mile used engine and baseline it and swap it in and still have your good motor as a spare (not that you'd likely need it). Sheesh. That's some serious robbery.

 

I agree but the oil pan is pretty damn difficult to get out on our trucks. Unless it's just pouring oil I wouldn't worry about it.

 

Oh for sure...that's what I was implying. Leave it until it becomes a real problem, or you have something else to do up front (new CVs, etc).

 

Its almost like the whole engine would need to be lifted up to access those bolts to drop the pan.

Those bolts look ready to break just looking at them the wrong way. High risk low reward. If your ‘seep’ is like mine its two small runs/drips hanging on the pan in 1500 miles. Nothing has hit my driveway in almost a year of noticing.

I’ll let this one alone and keep running full synthetic oil, as it has really helped my engine run cooler and quieter.

 

Did you ever fix your oil pan leak? I noticed my oil pan has a small seep of leaking oil after switching over to synthetic. The job looks like its going to be a pain in the ass...

 

Guys, read up on my oil filter housing gasket repair. Sure seemed like an oil pan leak to me. Was a 89 cent, 2 hour repair.

 

Got a link?

 

It’s titled. “When you can’t find that pesky oil leak” I’m old and not a computer whiz bang.
You can click on my name and look up my postings.

 

https://www.tundras.com/threads/when-you-can’t-find-that-pesky-oil-leak.87265/

 

Thank you whipper snapper

 

You guys are slacking. Shame on you Bubba.

 

Damn eye do, Dam I don't

 

My oil leak was discovered to be from my Oil Pump, specifically the O-ring, during my Timing Belt Job. You could see everything happening with the front of the engine open. Since this Thread, and before my TB Job, I suspected maybe the Cam and Crank Seals were leaking from research. I ordered those just in case and replaced them during the TB.

Alas, the Oil Pump fifty cent o-ring is the culprit and I ain’t pulling the engine until it gets to where the the engine is loosing oil. Right now its like a weep glaze coming down the front of engine and hits that oil pan lip then travels around and down to the oil pluggish area and Oil Filter.

I cleaned up the oil and put some FIPG along the Oil Pump Seam (while she was open for TB) and it seems to have made the weep slow by half. I do not see it at the Oil Filter any more. Used to think my Filter was leaking. Also, I did snug those Oil Pump Bolts a hair in order to squeeze the Gasket so that may have helped, as well.

 

Did a once over on the driver valve covers (where I now think the oil is coming from) and found one bolt that was loose. The bolt spun about 2 revolutions to tighten up. I'm hoping that's where my seep is coming from. Will monitor over the rest of the week.

 

I’ve had that one and fixed it. The VC Leak (on mine) never made it to the Oil Pan. It would leak onto my exhaust and smell. I’d tighten the bolts to remedy. Did that about 3 times from 2015-2018 with temporary success until doing a full replace.

Drop your phone down into between the radiator and just below power steering pump and try to grab a shot just over the top of the Crank Shaft. If you see oil there, its not VC related. Thats an Oil Pump leak. Maybe shift back to dyno? I’ve considered this.

 

Removing ur oil pan on a 1st gen 4x4 requires lifting the motor, removing differential mounts + front drive shaft and removing the passenger motor mount completely. Oil pan will slide out passenger side

 

@Dezertbilly
I tighten some loose valve cover bolts on the driver side and that seemed to fix the issue. Ever since doing that, no oil seepage.
I did notice that while inspecting and I'm really happy that I don't need to pull the pan off.