Question about 1994 Cadillac DeVille

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My car is ticking. Sounds like its coming from the valve cover gasket.

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Put a good squirt of wahing up liquid into engine oil and half litre of diesel ,then run a while say 300 miles or so then change oil and use turbo diesel engine oil ,now if noise stops then just change oil every 6000 miles with a oil filter every third oil change.but if noise persists then repeat with washing up liquid and diesel and leave for a longer period ,your hydraulic tappets are gummed up from not changing the oil regular ,never mind these so called long life oils ---this is what happens when oil is not changed regular

Posted on Oct 12, 2010


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Ticking & white smoke after replaced intake gasket

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Dear Sir,
Here is the oil leaking Problem Identifying Technique

Engine oil leaks from the valve cover gasket are common.

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  • I think it helps to analyse u r Problem

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    Got ticking noise coming from the back valve cover right under the trottle body when the engine is about 1,500 to 2,000 rpm and then goes away. What it could be?

    You gotta remove the valve cover (its easy) and take a look at your valves to see if a spring has broken
    or other part (e.g. rocker arm) is damaged - before the head is irreparably damaged and needs to be replaced - which is what most garages will tell you to do with a pinging/ticking head.
    While you've removed the valve cover, consider replacing the valve cover gasket, which is a common
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    This 93 toyota camry ticks like the valves need adjusting but im told that thats a tough process and most camrys valves shouldnt need adjusting for the life of the car. The ticking has a little bit of a...

    it my have a bad lob on the camshaft worn out....or lose bolt...good time to check things out by replacing your valve cover gasket....hope this helps you????

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    I have a loud ticking under my valve cover. 97 ford escort. I think its a loose valve but is it some thing i can fix. I know a little about cars. but not an expert

    not a valve, but a lifter. I will paste procedure below. You judge if you can do it or not. Recommend you replace them all while you're in there. If you let this go, the lifter will wear out the camshaft. Lifters are $22 each, and you have 8 of them. You will also need a new valve cover gasket.
    Please let me know if you have questions, and thanks for using FixYa.

    2.0L Engine
    SOHC engine
    See Figures 6, 7, 8 and 9
    1. Disconnect the engine air cleaner-to-valve cover hose from the cover by compressing the hose clamp with pliers and sliding the clamp back, then separate the hose from the cover.
    2. Remove the spark plug wire separators from the valve cover and set the wire assemblies aside.
    3. Unfasten the three valve cover retaining bolts.
    4. Remove the valve cover and gasket from the cylinder head.
    WARNING Do not use any abrasive grinding discs to remove gasket material. Use a plastic manual gasket scraper to remove the gasket residue. Be careful not to scratch or gouge the aluminum sealing surfaces when cleaning them.
    1. Remove the old gasket material from the cylinder head and valve cover mating surfaces.


    Fig. Fig. 6: Remove the spark plug wire separators from the valve cover


    Fig. Fig. 7: Compress the engine air cleaner-to-valve cover hose clamp with pliers, and slide the clamp back ...


    Fig. Fig. 8: ... then disconnect the hose from the valve cover


    Fig. Fig. 9: Unfasten the valve cover retainers and remove the valve cover-2.0L SOHC engine

    If removing more than one valve lifter (tappet), mark the lifters and their locations as they must be installed in their original bores.

    1. Remove the rocker arm(s).
    2. Unfasten the lifter guide plate retainer.
    3. Remove the guide plate and the lifter.

    To install:
    1. The oil feed hole in the lifter must face away from the oil feed hole in the cylinder head.
    2. Lubricate the lifter(s) with clean 5W-30 engine oil and install them in their original bores.

    Make sure the lifter guide plate retainer tabs are towards the rear of the cylinder head, and the lifter guide plate tabs are towards the front of the cylinder head.
    1. Install the lifter guide plate and tighten the retainer.
    2. Install the rocker arms.
    Do not use any sealer with a silicone type gasket.
    1. Install a new gasket and the valve cover.
    2. Install and tighten the valve cover retainers to 71-97 inch lbs. (8-11.5 Nm).
    3. Attach the spark plug wire separators to the cylinder head.
    4. Connect the engine air cleaner-to-valve cover hose and engage the hose clamp

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    While running engine runs hard. Also tapping or ticking sounds after installed new oil pump ,pan and gasket. I've been told is the lifters. So Ive tried lucas oil stablaizer, Mystery oil and CD2 still...

    If you have an adjustable valve train you may need to adjust the rocker arms. Remove the valve covers and look to see if there are adjusting nuts on top of them. If so, get a shop manual and a feeler gague and a couple of wrenches and screwdriver and follow instructions in manual carefully.

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