i was driving down the road and went to pass a car. i down shifted into forth and came close to redline. when i started slowing down my shifter was wobbling and it was idling very low and sounded like it was misfiring. i noticed oil running down from the back of the engine on the drivers side just above the oil filter. it looks like it is coming from the head on the back cylinder. also some oil looks like it came out the front of the intake manifold. it doesnt appear to be blowing much(if any) smoke. it starts right up and is drivable to to a repair shop or place to do it. is it a head gasket? Also, how hard it is to replace yourself. the engine is a 350 v8 with throttle body injection from a 1994 silverado. How expensive is it to have it repaired
2006-06-26 23:41:42 · 9 answers · asked by Anonymous in Cars & Transportation ➔ Maintenance & Repairs
IMO it could be a head gasket or an intake gasket even - the only times I have seen this happen from over-rev is from stretching a rod (yes you can do that - and Yes it is a prelude to the rod going).
You need to make sure whoever you take this to has a dial indicator that can check for this or your problem will show right back up.
Testing the intake is hard because you can only get to one side of it and vacuum tests don't always show a problem.
Head Gasket Check:
get a compression tester / all of them should be close to the same compression - anything below 80 is a dead cyl.
Testing deflection for rod problems is a lot more work, and requires precision instruments.
Doing the work yourself is simple IF the head checks good and you can do the rod check yourself / ask the machine shop that checks the head how to do it; you can buy a dial indicator at most pawn shops for 50 bucks - most good MS's will tell you ---AND--- you are an ok shade tree who can follow instructions - there is nothing that complicated in removing and replacing a head. The avg shade tree takes 2 to 3 days. (Shade Tree - as used here simply means a non professional, not derogatory)
A shop will charge you 6(ish) hours (from memory) for R&R on the head - times the labor rate in your area - plus machine shop costs - normally around 25 bucks - and gaskets - about 75.00 -- IE: 450.00 or so with a labor rate around 50 per hour.
2006-06-27 00:26:39 · answer #1 · answered by theleb63 3 · 2⤊ 0⤋
Yes it does sound like you blew a head gasket. You should probably do a compression check just to make sure before you shell out a buttload of money to repair it. Just take out all the spark plugs and screw in you compression tester guage. have another person turn the motor over approx. 3 revolutions and see what the guage says. Try it on each cylinder. If you do need to replace the head gaskets then go and buy a Chilton's manual for your particular application. Especially if you havn't done it before. It could save you alot of pain and suffering. Also when it comes time to take off the exauhst manifold from your heads, you really should heat up the manifold with a torch before you start taking them loose. Your truck being a 94' and all, your manifold bolts are more than likely old and brittle and will snap easily. Hope this helped you out.
2006-06-27 07:34:48 · answer #2 · answered by guitardan 5 · 0⤊ 0⤋
If you wish to do it your self start by cleaning the oil off and then start the car up and watch to see where the oil is coming from it could be just the intake gasket in the front and back if the intake. Sometimes when you have an intake oil leak it will run down the head and make it look like a head gasket so clean the oil off and watch to see where the oil is coming from try that GOOD LUCK!!!
2006-06-27 08:32:41 · answer #3 · answered by dl200558 5 · 0⤊ 0⤋
I wouldn't jump to any conclusions about where the oil came from. It could be something as simple as a leaking sensor somewhere that threads into the engine block. The oil leak can be traced easily by having a shop put some oil dye in the engine oil that will show where the oil leak's coming from when they shine a black light on the engine.
2006-06-27 08:36:53 · answer #4 · answered by bobweb 7 · 0⤊ 0⤋
That sounds like it could be a couple of things. You probably have a good idea, seeing that you even know what a "manifold" is. If I were to guess, I would say that it will be a big job.I would have it checked out by a reliable mechanic, ask him for a quote.
You may be talking anywhere between $50-$1500 depending.
get it checked out by a pro.
2006-06-27 06:47:16 · answer #5 · answered by Anonymous · 0⤊ 0⤋
Sound like you blew a head gasket.
2006-06-27 06:45:29 · answer #6 · answered by poorboychristian 3 · 0⤊ 0⤋
valve cover gaskets
2006-06-27 12:32:15 · answer #7 · answered by davidreed1973 3 · 0⤊ 0⤋
yes it is
2006-06-27 07:50:51 · answer #8 · answered by geeboytoy 1 · 0⤊ 0⤋
you idiot leave me alone and stop putting idiot answers on my questions.
2006-06-28 22:24:36 · answer #9 · answered by the Bruja is back 5 · 0⤊ 0⤋