Preventative Maintenance High Mileage

Hey Everyone I was wondering what things I should think about replacing before they go out ? I bought my truck back in 2018 with 225k. Truck Currently Has 287k. Thinking About Replacing The Starter, Alternator,Water Pump, Front Cv Axles , Wheel Bearings. Also Thinking About Having A Shop Replace The Timing Chain. I will be doing alot of Driving All Over In Utah in September When My Best Friend Comes Over From Scotland So I Want To Get Apollo Ready. Thank You For Reading

What I Have Replaced So Far
Front Differential Needle Bearing Driver Side With A Bronze Bushing From ECGS
Front And Rear Shocks With Fox 2.5s Remote Reservoir
Stock Upper Control Arm With Camburg Upper Control Arm
Stock Leaf Springs With Deaver Leaf Springs U748
Stock Leaf Shackle With Total Chaos Leaf Shackle
Stock Bump Stops With Timbren Active Bump Stops
Carrier Bearing With OEM Spicer Carrier Bearing
Main Drive Shaft U Joints With OEM Spicer U Joints
Idler Pulley With OEM
Serpentine Belt With OEM
Belt Tensioner With OEM
Spark Plugs With OEM
Transmission Fluid Replaced Same Time As Spark Plugs (Made Sure It Wasnt Burnt Or Really Dark Before)
Front And Rear Rotors With Ebc Rotors
Front And Rear Pads OEM Pads
Drained Engine Coolant Completely Replaced With OEM
All Four Door Roll Up Rubber Window Seal Inside And Out
Secondary Air Injection System Installed Hewitt Bypass Kit
Plastic Oil Filter Housing With OEM Aluminum Filter Housing
Radiator Thermostat With OEM
Front And Rear Differential Fluid
Transfer Case Differential Fluid
Engine Oil Every 3,000

 

Personally I don’t replace parts unless they’re bad. Timing chain I might consider only because the guides wear. You could pull the serpentine belt and spin each accessory to see if the bearings still sound good.

 

I just don't want my starter going out when Im far away from home. Plus living in utah and lots of cold winter starts and not knowing if it has been done. For the most part thats what I do like recently I had slop in my carrier bearing so I replaced the 3 u joints .

 

Makes sense. I do know Land Cruiser guys like to replace the contacts in the starter. That could also be an option, it would require some homework.

 

May want to do the fuel filter (it’s in the tank with the pump) and/or seafoam in the gas. Same for seafoam in the oil on next oil change, the internals get pretty bad on the 5.7 tear downs, prior owner may have built alot up in there. Checking/cleaning the throttle body is an easy item too, those get alot of crud on them.

 

If you decide to do the starter, be sure to get a Denso. My starter went out at 180k. I replaced it with a reman from Pep Boys. Lasted a week. Then I asked online and was told to get the Denso. Rockauto has Denso and it is oem for our trucks. I'm at 230k now with no problems.

 

Have you done that before ? Never heared of putting seafoam in oil ? Id probably just replace the whole fuel pump assembly .

 

For sure I always use oem parts besides like upgrades to truck. Did you replace the starter yourself or pay to have it done ? Have heard its a bitch to do.

 

Yeah Seafoam in the oil is super easy it’s just one ounce per quart, which is about half a bottle for the 5.7. I then throw the rest into the gas tank a few days before changing the oil: https://seafoamworks.com/knowledge-base/how-to-use-sea-foam-in-oil/

 

I've done seafoam on the intake of my Celica, and someone called the fire dept on me.. LOL... I do it at night now when almost no one is around. I do dump a whole can in the tank, but on a full tank only, I've heard it does cause some damage if it's less than 13 gals. I don't think this new starter has the rebuild option, like the old one. At least in the parts search I did, I never saw any items like that available on Toyota and rock auto. Unless the water pump is leaking, I don't think it's required, but if you're going to have a shop do the chain, have them do the pump. You can also look up the maintenance records on the Toyota site, maybe you get lucky and get more insight on the maintenance, maybe it's been done recently, or how long its been.

 

Be careful with the Sea Foam with that high of mileage. Had an older Tacoma that I decided to use it in and it ended up loosening up crud which clogged the oil pump. It's fine if you've been using it all along because its removing small amounts of buildup. With 250K+ miles that's a lot of built up crud that could potentially become dislodged.