gmc pickup

1986 GMC SIERRA
V8 • 2WD • AUTOMATIC
Avatar
TEHGRIMLIK
  • MEMBER
  • 1 POST
replaced water pump and put in new radiator now have condensation in my oil and smoke coming out of dip stick and where i put the oil in and also over heating
Feb 23, 2011 at 3:17 PM
Avatar
JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Is it the same size radiator? Maybe air in the cooling system? Temp wise, how hot does it get? Remove the thermostat for testing, hook everything back up, any effect?

Check the crankcase ventilation system. It's not unusual to see some blowby.
Feb 24, 2011 at 9:36 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