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Rocker arm strip, loose, or breaking - 2003 Pontiac Grand Am

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I have had several rocker bolt holes strip on these, buying a helicoil kit seems to hold good but I prefer to install a steel insert, either kit with instructions is available at your local parts house what i have found is that the vehicle has usually had an intake reseal and the rockers are over or under torqued, but sometimes not..

Posted on Oct 14, 2010


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What would make a rocker arm a little loose

rain water will not get into the oil unless you had the rocker cover off and working on the engine outside in the rain.
water in the oil is coolant getting into the oil either from a head gasket problem or corrosion holes behind the water pump impeller. If there are loose rockers when running then there may be a blockage in the hydraulic followers for those rockers or there is wear in the rocker bushes and on the rocker shaft.

Dec 15, 2014 | Cars & Trucks

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Rocker arms stripping breaking 2003 pontiac grand am v6

This would not be a head issue. If bolts are stripping and they are using heli coils, it is the block that has the issue unless these are manifold bolts for the exhaust.

Mar 13, 2014 | 2003 Pontiac Grand Am

1 Answer

Installed new oil pump and now have broken rocker arms

THe rocker arms are broken because there was not enough downward movement in the valves to allow the cam to complete its turn. IT happens when the valve spring retainer either hits the top of the valve guide or the valve springs are fully compressed forming a solid block . If you have hydraulic valve adjusters I would be suspicious of a lack of movement (seized) in the ones that broke the rocker arms

Feb 20, 2013 | Ford F-150 Cars & Trucks

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I have a tundra 06 an it does a cliking sound .it comes from the motor. i check everything around the motor and nothing is loose i wonder if there is something loose inside.

The problem is probably a loose rocker arm or a broken rod. You can easily access the rocker arms by taking top cover off the engine. It should be 6 or 8 bolts and looks like an upside down bread loaf pan. There will be a little bit of oil (assuming the engine is off) but it shouldn't be too messy. There will be a number of rockers which are levers with springs on one side. One bolt should hold down each rocker, just make sure that none of them are loose. Since it is a "V" engine (V6 or V8) there will be two of these covers, half of the rockers under each one.

If all of the rockers are tight (don't crank them down excessively just check to see if one is very loose). then it might be a broken rod. To remove the rod you need to remove the rocker arms one at a time and pull out the rod with a special tool that you can probably get from your local parts store. When you find it they can also sell you a replacement rod.

If you want to narrow it down you can turn the engine on with one sides cover off (but hold a paper towel over the rockers or you will get sprayed with oil) and listen to see if you can hear which one is broken.

Jun 09, 2011 | Toyota Tundra Cars & Trucks

2 Answers

Will the 87 2.5 chevy engine bend valves when the cam gear strips ?

I have worked on many of these with this problem, I best answer is; that while they can bend valves I personally have not seen it happen.....yet.
You can pull the valve cover and see if the valves look even to each other with the rocker arms off, or more quickly check if any of the rocker arms seem very loose without removal .

May 28, 2010 | Cars & Trucks

2 Answers

Rocker arm come out on jeep chrysler 3.7 eng

A rocker arm is the arm that sits on top of the valve stem and connects to the push rods 'the push rods sit on the cam so when engine is running, the push rods go up and down in a timed sequence and with the rocker arms, open and close the inlet and exhaust valves. the rocker arm is located inside the valve(rocker)cover .If the rocker arm gets loose or comes out.
Check the nuts on the shaft which holds the rocker arms.either the shaft or nuts are got loose.They need to be tightened.Don't make it too tight or too loose.  Too tight,and they don't flutter right. Too loose,and they allow the rocker arms to wiggle out of whack. Other possibility can be  something is broken, bent, collapsed, or out of adjustment. 
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May 20, 2010 | 2002 Jeep Liberty

1 Answer

Dodge v10 rocker arms breaking

Talk to mopar. That's a warranty issue & b.s. if you ask me. Rocker's breaking off,beep, that.

Jun 22, 2009 | 1999 Dodge Ram 2500 4WD

1 Answer

The rocker arms keep breaking. I was wondering what could be causing this and how to permanently fix it. I have not had any problems with them until recently and now they seem to break every couple months.

Wear is usely the reason, I don't know how many miles you have on it, but you might be money ahead to buy a set of after market rockers arms from summit racing or someplace like that, there made out of heaver and stronger metal and not that much more in price than the stock pieces.

Apr 14, 2009 | 1998 Dodge Ram 1500 4WD

2 Answers

Roker Arms

sounds like your lifter are damaged if your rocker are loose you may need to replace cam and lifters

Nov 04, 2008 | 1990 Oldsmobile Cutlass Calais

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