My 99 Pontiac grand am keeps dumping coolant. I was told it was due to the thermostat housing which I replaced abd for a while it stopped leaking but it started again. It is alsorunning hot any ideas?

Asked by Nov 29, 2014 at 02:27 PM about the 1999 Pontiac Grand Am 4 Dr GT Sedan

Question type: Maintenance & Repair

1 Answer

35

head gasket seal maybe not good...or cracks .replace it or check if you have some leak///or poor coolant and dirty stuff in the bowl like brown or white gelly liquid...stuff.!!!..hum not good :( //flush the system and clean it whit Radiator flush cleaner /flush again and put some new coolant--for alumiun block only////////..I have before have this problem on my 97 grand am SE 3.1 sfi v6 engine and blow lt on the left side of the head of the engine ,, it start like you before ,,thermostat problem and after head gasket come later.. be aware of it !!! my advises and opinion ... here my picture of my old 97 grand am

Your Answer

Add photo

Related Questions

Search Pontiac Grand Am Questions

Pontiac Grand Am Experts

#1 tenspeed
tenspeed
Reputation 7,490
#2 John Saffrahn
John Saffrahn
Reputation 1,580
#3 Tom Demyan
Tom Demyan
Reputation 1,390
View All

Related Models For Sale

Used Pontiac Grand Prix
25 Great Deals out of 2,912 listings starting at $879
Used Pontiac Firebird
10 Great Deals out of 795 listings starting at $1,800
Used Chevrolet Impala
636 Great Deals out of 29,110 listings starting at $800
Used Chevrolet Malibu
815 Great Deals out of 88,599 listings starting at $1,900
Used Pontiac Bonneville
525 listings starting at $1,695
Used Honda Civic
521 Great Deals out of 81,031 listings starting at $558
Used Honda Accord
713 Great Deals out of 82,331 listings starting at $1,200
Used Nissan Altima
766 Great Deals out of 77,976 listings starting at $470
Used Ford Mustang
310 Great Deals out of 45,395 listings starting at $2,000
Used Toyota Camry
877 Great Deals out of 91,562 listings starting at $1,300
Used Chevrolet Camaro
145 Great Deals out of 35,590 listings starting at $1,995

Used Cars For Sale

2004 Pontiac Grand Am For Sale
330 listings starting at $799