Sir, just a tip of advise lang po. Since my radiator havent been touched almost 5yrs now, Im planning to have it flushed and cleaned then lagay ng coolant, but the radiator guy insisted to have it overhauled even if he havent seen my unit.
Kelangan na po bang ipaoverhaul agad ang radiator vs flush? Mejo tight po kasi ang budget kaya cleaning lang sana ang ipagagawa ko. The reason kung bakit ko po ipapalinis muna at lagay coolant ay lately mejo mabilis umakyat ang temp but not to the extent na nag-ooverheat (I believe dun na rin po papunta yun sa kalaunan)...also, 4 yrs ago pa nung huli akong naglagay ng coolant.

FYI, bago po ang radiator cap, just bought it over a month ago.

May kinalaman din ba ang alternator sa overheat problem? Drop po kasi ng 2 lines ang rpm ko everytime I open up my headlights (from 900 to 700). Also, in one of the threads Ive read, sir speedy suggested to "replace all ground wires of the car and clean off the surfaces na pinaglalagyan"..applicable din po kaya ito sa slight overheating issue ng auto ko?
Alam ko gasgas natong tanong na to.Overheating problems

Ride is nissan 86. Ty