1990 GMC Vandura 1500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 GMC Vandura 1500

1990 GMC Vandura 1500 Problems

Flush brake fluid every 60,000 miles

Our technicians recommend flushing the brake fluid every 60,000 miles.  Brake fluid that is dirty may cause problems in the brake system.

Service transmission every 30,000 miles
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.
Distributor Shaft O-Ring Seal May Leak Oil

An oil leak may develop from the distributor o-ring seal requiring replacement of the seal.

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1990 GMC Vandura 1500 Questions

what causes power steering fluid to go from normal color to coffee (tan) (1 answer)

replaced power steering pump twice, fluid goes light tan in color,brakes and steering almost fail in a mater of 2-3 days,master cyl seems to retain fluid and normal color.This is a 3500 cube van with a 350 engine, my Midas Brake mechanic is baffled so am I can not travel very far like this

Would all the coolant drain out from the bottom of the radiator? (1 answer)

Would all the coolant drain out from the bottom of the radiator?.

new battery won't hold a charge, what could be draining the power off? (1 answer)

We keep replacing the battery but none of them have held a charge. The auto shop says there's nothing wrong but we have to charge the battery if we want to use it. Sometimes we can be somewhere and the van has ran good up to that point but if we turn it off, it won't start again. I am ...

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