temperature guage never goes up more than about 1/3 of the way
do you get heat ?
That is about where it should be. You could install a hotter thermostat if you are not getting enough heat.
1/3 is about right and on a hot day with the A/C running maybe almost 1/2 and your still good to go.
Looking for a Used Roadmaster in your area?
CarGurus has 48 nationwide Roadmaster listings and the tools to find you a great deal.
Search Buick Roadmaster Questions
Buick Roadmaster Experts
Related Models For Sale
Used Cars For Sale