Buying Guides
Guides
Insurance
Driver's Ed
Extended Warranties
Car Shipping
Tire Buying
Popular
How to save money on car insurance
When is an extended warranty worth it
Finding drivers ed options in your area
How to save money on tires
How to ship a car
Deals
Deals from...
Advance Auto
Amazon
Discount Tire
Jiffy Lube
Pep Boys
Tire Buyer
Tire Rack
Popular
How much should you pay for an oil change
How to save money buying tires online
Common car maintenance jobs and their costs
Top Deals and Coupons for this month
Car Reviews
Repair Shops
Community
Cars A-Z
Click&Clack
Click & Clack
Radio Show
Shameless Commerce
Donate Car
Login
201644 - Call 06
Tim
Brown
Roanoake
Virginia
Tim thinks he has mayonnaise on his dipstick. Should he be concerned? No, Tom and Ray say it’s a normal part of combustion to get a substance resembling mayonnaise--some water passes through the rings.