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Alright, so I have an ’05 Tacoma with a 2.7 (2TR-FE). These motors are notorious for blown head gaskets, which is why I performed the tests that I did. So, first test I did was a compression test.
Compression test results:
#1 cyl: 135
#2: 130
#3: 105
#4: 135
Compression spec’s are between 128-178. I added oil in #3 and it shot up to 130 like the rest, so I figured bad rings. Still didn’t answer my question of why there is oil in my coolant reservoir lol… After the compression test I performed a leak down, but I only did it on #3 and I heard the hiss from the oil cap after I took it off. Surprise surprise lol… Still haven’t found out my major problem. Oh, and I also tried to test for HC’s in my cooling system but I couldn’t even do that because my lower radiator hose did not get hot AT ALL, even after i drove the truck around for a while…
Ohhh, AND the truck has been eating oil for the past 15k. I added 3 quarts the other day lol. Any other ideas on how to pin this madness down? Thanks for the help in advance!
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