99 ford ranger w/ 2.5l oil in water

1999 FORD RANGER
100,000 MILES • 4 CYL • 2WD • AUTOMATIC
Avatar
N19BMW
  • MEMBER
  • 1 POST
99 ford ranger with 2.5 dual plug engine. got oil in water. failed compression check on #4 about 50psi difference. removed head and tested. machine shop says it is good. head gasket was in tact. has new radiator. what is left and how to check?
Jun 17, 2011 at 7:52 AM
Avatar
DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
If head and valves good and say gasket O.K. then that leaves rings and cylinder wall wear. If engine was still intact a simple leak down test would tell
Jun 17, 2011 at 8:40 AM
Avatar
WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
Are you sure that it's not trans fluid from a bad cooler in the radiator?
Jun 17, 2011 at 9:26 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle