I have a 95 mustang 3.8 i just replaced lifters and push rod cause the rods was bend and and lifters knocked hard i let it run for 30min after i installed new parts and still knocks what should i do

10

Asked by Aug 31, 2014 at 11:05 PM about the 1995 Ford Mustang Coupe

Question type: Maintenance & Repair

8 Answers

102,345

That sounds like you have plugged oil galleys or low oil pressure. How are the lobes on the camshaft?

1 of 1 people found this helpful.
71,025

If you have low or no oil pressure at idle it's probably the crankshaft bearings (rod knock). May be time for a complete engine rebuild. HTH. -Jim

10

I have good oil pressure and the lobes on the cam are in good shape. Thats why im lost.

1 of 1 people found this helpful.
102,345

It is going to be messy but you need to check to see if the oil is getting to the top of the engine, this can only be done with the valve covers off and the engine idling and see if the oil is coming up the push rods, check all of them.

10

So i did that and it is getting plenty of oil up through the push rods

102,345

Check to make sure all of the rocker arms do not wiggle when the piston is at top dead center on each cylinder, or you rerun the the lash adjustment with the engine running, after that is done and you still have the noise then you will have to find out what cylinder is making the noise. You can do that by pulling the spark plug wire off each cylinder while running to see if the noise gets lighter or stops on a particular cylinder. Make sure you insulated as spark can jump right to you. HTH

10

Ok so i removed the #6 spark plug wire and it seemed to quite down

102,345

So now you need to determine if it is a rod knock or a broken piston, it might be easier to pull off the oil pan and check number 6 rod bearing, if it's scored the crankshaft then it's time for a engine overhaul or replacement. If the crankshaft is not scored then then you might get by with a crank kit but the engine will have to come out.

Your Answer

Mustang

Looking for a Used Mustang in your area?

CarGurus has 36,175 nationwide Mustang listings starting at $1,200.

ZIP:

Ford Mustang Experts

  • #1
    Tom Demyan
    Reputation
    4,650
  • #2
    Bob Beaman
    Reputation
    1,270
  • #3
    COMETGUY61
    Reputation
    1,110
View All

Related Models For Sale

Used Chevrolet Camaro
431 Great Deals out of 30,652 listings starting at $1,450
Used Chevrolet Corvette
180 Great Deals out of 19,692 listings starting at $3,000
Used Ford Mustang SVT Cobra
8 Great Deals out of 302 listings starting at $5,799
Used Ford F-150
2,564 Great Deals out of 198,644 listings starting at $1,500
Used BMW 3 Series
1,094 Great Deals out of 33,530 listings starting at $1,000
Used BMW M3
39 Great Deals out of 2,029 listings starting at $6,995
Used Jeep Wrangler
337 Great Deals out of 17,362 listings starting at $2,995

Used Cars For Sale

2018 Ford Mustang For Sale
928 listings starting at $22,485
2017 Ford Mustang For Sale
59 Great Deals out of 15,154 listings starting at $17,490
2016 Ford Mustang For Sale
105 Great Deals out of 3,123 listings starting at $13,990
2015 Ford Mustang For Sale
71 Great Deals out of 2,908 listings starting at $12,995
2014 Ford Mustang For Sale
109 Great Deals out of 2,862 listings starting at $9,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.