1995 GMC Sierra 5.7 rotar in distributar keeps cracking

Asked by Roythomas Feb 19, 2015 at 11:59 AM about the 1995 GMC Sierra C/K 1500

Question type: Maintenance & Repair

Truck runs great for six to nine months then truck starts stalling in mornings after rain and
I keep findin cracked rotar

1 Answer
10

geizzly1 answered 9 years ago

There are 2 things that can cause this problem . # 1 worn distributor housing bushings causing the rotor to slightly come in contact with the cap . # 2 plugged venting screen on flat plate of distributor which causes excessive heating inside cap . Making rotor brittle .

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