New Owner / Blown Head Gasket Prevention?

Bronze Johnson

New member
Hello,

I just bought a 1995 4Runner 4WD last week with the seemingly doomed 3.0L engine and was totally pumped about it until I started researching a little more thoroughly and learned of the head gasket problem by searching/lurking around this and other forums. So here's my situation...

I bought this from a local fellow for $2250 with 205K miles which is apparently well below book value (the bank quoted me almost double that). The man I bought it from was the second owner and said he had put a lot of new parts on it including shocks and axles and what not and said he just didn't want to spend any more money on it (red flag I know). The engine compartment, body, and interior are nearly immaculate for such an old vehicle as it was in PA until '07. I was told that the engine was "rebuilt" at ~175K. I asked what this entailed and was told a head gasket, rods, and bearings which I was thrilled about and was part of the reason I jumped on this deal even with the miles. Now I'm wondering how much of a deal it was as I'm very concerned how long it will be before it the gasket blows again. The check engine light is on (although it went out briefly after a recent fill up with premium and fuel injector cleaner) and I get terrible gas mileage - I'm talking 10 or less MPG... but it is winter and I live in a very hilly area. Otherwise it runs and shifts quite smooth. It's about to come back from the mechanic with new tires, an alignment, and inspection and I will be doing a minor tune up when I get paid next week (plugs, wires, air filter - maybe K&N/ intake if I deem worthwhile, dist cap, oil change, possibly pcv)

SO -

1) Any guess as to how long I might expect this to last / Is there anything I should be checking for as potential EARLY warning signs (No white steam or anything yet).

2) Is there anything I can do to prevent this problem from occurring in the first place? I read somewhere online that new after market headers might remedy the cause by redirecting the flow of exhaust and preventing excessive heat on the #6 cylinder - which is supposedly the area likely to blow according to the person who suggested this fix. Any validity to this or any other preventative measure?

3) Is there anything else I should be checking for or be particularly aware of as a new owner from what I have described or just from the community's experience? Any other maintenance issues I should check for?


As a new owner and member of your community any input will be greatly appreciated and valued.
 
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ive not heard of any head gasket prevention, but the best way to prevent it would be to not drive it... haha
but if it was just replaced, you should be good for about 100k
 
Yea well what would be the fun in not driving it? Since I posted this I realized the main reason for the absolutely horrid gas mileage ( < 10 MPG like I said) is the fact that it was not regularly shifting into the final gear. Most of the roads in the area where I live are 45 MPH roads and that seems to be right before where the the transmission likes to kick into OD with normal acceleration, and I would be cruising at this speed (or even up to 60 MPH) with the engine at 2700+ RPM. However getting more accustomed to the gas pedal and the shift patterns (combined with bending the pedal out a little as was suggested in another recent post) has helped a lot and I'm now getting it to kick into overdrive regularly by letting off the gas so I'm just barely pressing it as I hit 40 MPH and accelerating the rest of the way from there. It's hard because it's a very hilly area, but actually getting into OD at highway speed seems to be improving my gas mileage considerably. It's only been a quarter tank though. Maybe I'll post my new estimated gas mileage after the next tank, but I seem to have nearly doubled the MPG on this quarter tank.
 

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