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Will seafoam make my engine like new? - 1999 Pontiac Grand Prix

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Like new? not hardly, but it will, if used in the gas tank on a regular basis, and if it is induced through the intake by sucking it through a vacuum hose will clean the top end of the engine of unburned fuel, and can help with rough idle, and can free sticking valves. It is better used as a maintenance item, it will not fix mechanical faults.

Posted on May 23, 2011

  • altonturnerj May 23, 2011

    Yeah its basically just used for clearing out varnish, carb and gunk and stuff like that.

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Hi i have a 97 chevy with the vortec 5.7 with 312.556 and i was thinking of using seafoam on my engine because of carbon build up but i also heard with that many miles seafoam would damage my engine.


Seafoam added to fuel should not cause problems. You may find those who say oil additives such as Marvel Mystery oil may clean engine deposits leading to excessive oil consumption/smoking. That's a lot of miles for any engine without an overhaul. Good luck.

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Ouch...sat too long and the transmission fluid is probably like molasses... Try pulling the tranny pan, dump the fluid, clean the pan and change the filter and refill with DEXRON fluid. Also add some SeaFoam transmission additive. Start it up and when engine is at operating tempuature, SLOWLY put it in all gears. Shift back and forth, back and forth (with your foot on the brake !). Hopefully the new fluid and the SeaFoam will clean up the internal parts. If and whne the car is driveable, drive about 100 miles and then dump the fluid, filter and refill. Add another can of SeaFoam. Hope this helps....
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When was the last time you changed oil? Is the oil level full? You may have a lifter bleeding down. I would try this. Find a can of "seafoam motor tune". You should be able to find it in any good parts store. Poor half a can into the oil. Start the engine and let it run until it gets up to operating temp. Shut it off and change the oil. Add the other half of the seafoam to the new oil. If its a lifter issue seafoam has yet to let me down and I have seen some real bad ones over the years.

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1997 S10 Pickup with a noise lifter . The engine have 179000 miles should I fix the lifter or rebuild engine.


Before spending lots of money on a repair try this. Purchase a can of Seafoam Motor Treatment at most auto and marine parts stores. Add 1.5 ounces of Seafoam to the crankcase for each quart of oil the engine holds. Drive your truck 50 miles and then change the oil/filter. Repeat the procedure and then drive the truck and check the oil regularly looking for it to get very dirty. When it gets dirty change the oil/filter again and add another treatment of Seafoam. After 3 treatments you should not hear the lifter noise any longer if it was caused by carbon or varnish buildup which the Seafoam will remove. If you still hear lifter noise then this is caused by wear or something that the Seafoam cannot remove.

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My accent crdi 2005 has done 110000 kms . i have regularly serviced it with oil change at 5000 kms interval. but now i have started feeling a lag in the pickup .starting is ok ,smokes only under excessive...


Sounds like you may have a bad piston ring. Get a compression test done and that will tell you if the ring is bad or not. Also, try using a product called seafoam in your engine. The seafoam will clean your engine out very well.

http://forums.nicoclub.com/how-to-seafoam-your-engine-the-right-way-complete-diy-t126583.html


For more info on how to seafoam your car click the link above.

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2.4 l has top end rattle what do you think it might be ? im wondering that its lifters


CLATTERING NOISE COULD BE WORN LIFTERS OR OIL CONTAMINATED WITH ANTIFREEZE OR GASOLINE.OR THE OIL PASSAGES IN BLOCK STOPPED UP WITH SLUDGE.TRY CHANGING ENGINE OIL AND FILTER ADD A CAN OF SEAFOAM TO CRANK CASE.DONT OVER FILL CRANK CASE.IF CLATTERING DOES STOP NEW OIL GET REAL BLACK DIRTY.YOU PROBABLY NEED TO CHANGE OIL FILTER AND OIL AGAIN.WHEN SEAFOAM CIRCULATE THROUGH THE ENGINE BLOCK FLUSHING OUT CARBON SLUDGE BUILD UP IN OIL PASSAGES.IT WILL GO TO OIL CRANK CASE GETTING NEW OIL DIRTY.SO CHANGE ENGINE OIL AGAIN.ONCE LIFTERS QUIET DOWN.IF LIFTERS NOISE CONTINUE.YOU NEED NEW LIFTERS.

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This is a common problem on the 5.9 engine after 60,000 miles. Try a simple to do seafoam fuel system clean. go to youtube for video to see results ahead of time.Type Seafoam treatment in search box. You may have moisture in your fuel system from condensation. Possibly carbon build up in your exhaust. the Seafoam will help fix this. RE Your serpentine belt make sure your tensioner spring is tight enough

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ENGINE STALLS AFTER STARTING.RUNS BETTER AFTER WARMUP.STARTING TO HAPPEN MORE FREQUENTLY. PLEASE HELP. LEROY I HAVE A 1997 DODGE RAM VAN 5.9 ENGINE


Try Seafoam available at your local auto parts store. You either have a moisture build up in your fuel system, or a carbon build up in your exhaust system. The Seafoam additive will get the moisture and carbon out yu may also try higher octane gas 89 or 93 for a tank or 2. This is a common problem with the 5.9 and 5.2 V-8 engine go to youtube type Seafoam for video

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