Seafoam Archives - Volvo Forum + Help for Owners

2004 V70 2.5T with 104K miles – Engine Sludge

cn90 » The car is 2004 V70 2.5T with 104K miles. All maintenance up-to-date (Timing Belt at 95K, PCV etc.). Car was serviced exclusively at Volvo dealer. I am the…

Post categories In Engine, Engine Breathing - MAF, PCV, EGR, Etc.

DIY Homebrew Seafoam

MVS Contributor Mecheng posts how to make your own formula to approximate DIY Seafoam. You can make Seafoam treatment much cheaper than buying it. This is the reference…

Post categories In Engine, Engine Breathing - MAF, PCV, EGR, Etc., Speed, Aftermarket & HP, Volvo Parts, Accessories, & Saving Money

Amsoil Power Foam

Longtime MVS Forums member Geevs asks about Amsoil’s Power Foam intake & combustion cleaner, and gets many good responses and alternatives. MVS Contributor kcodyjr… Sucking something in through the…

Post categories In Engine, Fuel, Gasoline, Fuel Filter, Injectors, Etc., Speed, Aftermarket & HP, Volvo Parts, Accessories, & Saving Money

Save Money on Seafoam and Harbor Freight Products

Let’s talk Harbor Freight Products Here are links to a couple recent topics that will help save you money: 25% off Harbor Freight products — it’s only good…

Post categories In Tools, Volvo Experiences, Volvo Fluids, Volvo Parts, Accessories, & Saving Money

Seafoam HowTo Pictorial Followup

Let’s get to this Seafoam HowTo Using Seafoam on P2 Volvos like S60, V70, XC70 If you’ve looked at my How to Use Seafoam tutorial, you’ve probably noticed…

Post categories In Volvo S60, Volvo S70 & V70 1998-2000, Volvo S80, Volvo V70 R 2004-2007, Volvo XC70 & V70XC, Volvo XC90

How to Use Seafoam

How to Add Seafoam to your Engine This is a step-by-step tutorial with photos on what to do with that can of Seafoam you just bought. Do you…

Post categories In Engine, Speed, Aftermarket & HP, Volvo 240, Volvo 740 & 760, Volvo 850, Volvo C70, Volvo S40 & V40, Volvo S60, Volvo S70 & V70 1998-2000, Volvo S80, Volvo V50, Volvo XC60, Volvo XC70 & V70XC, Volvo XC90

Seafoam Instructions, The Official

The “definitive” answer… from Jim Davis at Seafoam. He sent me three technical bulletins as well as confirming in his email that it can be used as a pre-cleaner before an oil change, as well as after-care for fresh oil between oil changes… in a gas engine. I am cutting and pasting the first bulletin so all can see.

Post categories In Cars 101, Engine, Speed, Aftermarket & HP

Seafoam Doesn’t Work

Just did a Seafoam treatment on my 94 850 NA. Sucked it through the intake tree into manifold, let sit 15 min., started it back up. Tons of smoke, and a horrible clicking/knock from the engine. Drove it a few miles, until smoke subsided, but knocking continued.

Post categories In Cars 101, Engine, Engine Breathing - MAF, PCV, EGR, Etc., Speed, Aftermarket & HP, Volvo 850, Volvo Experiences, Volvo Fluids, Volvo Safety

Volvo Seafoam Works

Poured about 1/4 can of seafoam down one of the tubes going to oil separator, drove for a week and changed oil. 2 weeks later dipstick tube is still clean and dry.

Post categories In Cars 101, Engine, Speed, Aftermarket & HP, Volvo Experiences, Volvo Fluids