[mlue]

After successfully using this to helping a buddy during the summer who was having a hard time bleeding his cooling system (running hot / with fluctuating temp gage) I thought I would post it here since I haven't seen it on this site.

The cooling system on some cars can take a long time to bleed, we still had bubbles appearing after 40 minutes of running but eventually they stopped and the car is now running cooler and the temp gage is rock solid. Finding the 8mm grease fitting was the hardest part. The greasefitting may have some residue on it after removing the check valve so it is advised that you use some brake cleaner to clean out, you don't want geasy coolant running back into the coolant tank.

Requires:

8MM grease fitting
4 feet of 1/4 inch clear tubing


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Jaak Lepson re-posted this on the Rennlist site:

An easyest way to bleed the system is use a 8mm grease nipple fitting with the spring and ball bearing removed. Attach a 6 to 8 foot long piece of clear tubing and connect them together with a ty-wrap.


1. Raise the front end of the car.

2. Remove bleed bolt and replace it with the tube/nipple.

3. Place other end of clear hose into the coolant tank.

4. Start engine and turn heater on to full.

5. Run the car until no air bubbles are visable ... hence clear hose!

In some cases the is so much air in the system that it may take up to 45 minutes till air has been removed. If it takes longer .... maybe a HG problem.

6. Replace the Hose/nipple combo with the bolt.

7. Lower car.

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