Grinding noise! doesnt sound good!!!!

[james_c17]

Ok i got around to seafoaming the sploder, the thing runs like a dream now! But after i did it there is a griding noise under harder than normal acceleratoin?? any opinions are welcome, it is the 5.0 in a 97.


it actually kinda sounds like trying to start it when its already on??

 

[ragajungle]

what parts did you seafoam? Crankcase and vac? maybe you left it in too long and have a bearing spun??

 

[james_c17]

i just did a the pcv line. left it in for 15 minutes then ran it like it said, i drove and its getting better.

it doesnt sound completely like grinding now, more like an exhaust leak...

 

[imp]

Please, overlook my ignorance, WTH is seafoam?? imp

 

[Paraphoe]

Please, overlook my ignorance, WTH is seafoam?? imp

Engine cleaning/carbon deposit removing fluid. Run a quick search, there are a ton of threads about it's use.

 

[james_c17]

ok, the noise was really hard to explain. it sounded like a little of everything. haha, but it magically went away after driving it like i stole it for like 4 miles. haha. but now the hesitation is back, im thinking the sound was a misfire because of fouled spark plugs. imma change them out after i get some money.
but imma 17 year old with not much mechanical experience but i know a little more than the average bear. so any input is greatly appreciated! thanks!

 

[ericautopart]

One misconception on seafoam. People think it's going to make a 10-20 yr old vehicle run like new again. Not gonna happen...

 

[ragajungle]

One misconception on seafoam. People think it's going to make a 10-20 yr old vehicle run like new again. Not gonna happen...

it DOES help though (sometimes). I am sceptical of using it in an old high mileage truck, or even a newer car - I seen someone blow the intale manifold (Plastic) off a 05 Merc Sable, I also saw someone destroy a K5 Blazer, opened up a can of worms, leaking, burning oil, etc...

If you use it regularly since the car is new there should never be an issue.

 

[specialized7]

i used seafom in my sport and had a leak at the main seal right after. it has since slowed down.
I used seafom on my 4 door and never had a single problem.

 

[james_c17]

well, the noise has gone away. the hesitation is gone too. i really dont know what it was, and i will not worry about it until it comes back. i need to put my attention on my brakes which are going crazy..