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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   Brake & Turn Signal Out - One side only 2002 Ford Ranger 3.0 V6, 5-speed manual ...   Seeking Advice: Strange Noise in 2017 Nissan Versa Note, Mechanic Stumped Hey everyone, A few weeks ago, my mom's...   Replacing Tires My daughter just purchased a 2013 Honda ...   uses oil; change oil or just filter I have a car that burns more than a qt o...   2009 jeep grand cherokee charging system failure 2009 grand cherokee charging system fail...   2003 civic tires " cupped out " Worn These were winter tires that were left o...   Crown vic no start with key 2008 Ford Crown Vic police 4.6 158k mil...   Broken ring found in crankcase automatic gearbox 4L30E Hello, I decided to change the oil and f...   Modifications for Honda Civic - Emmanuel Katto Uganda Hello everyone, My name is Emmanuel Katt...   Toro 1644 Hxl won't start My lawnmower doesn't start. The engine m...

2002 chevy Blazer 6cyl engine tapping Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting Gunnysarge New User Feb 7, 2010, 12:04 PM Post #1 of 4 (3160 views) 2002 chevy Blazer 6cyl engine tapping Sign In Hey folks 2002 Chevy Blazer 93120 miles 6cyl. Auto trans She said it tapped when she 1st started it 2 weeks ago , then it went away .........went a few days and it stared again , I looked at it yesterday NO tap...... Oil pressure by dash was 25-30 at idle.. Today its tapping to beat the band... she uses 5w-30 Any help???? Thanks (This post was edited by Gunnysarge on Feb 7, 2010, 12:16 PM) nickwarner Veteran / Moderator Feb 7, 2010, 1:26 PM Post #2 of 4 (3152 views) Re: 2002 chevy Blazer 6cyl engine tapping Sign In Could be a lifter tick, could be a rod knock. Hard to tell without hearing it. Have you run it low on oil? Gunnysarge New User Feb 7, 2010, 1:33 PM Post #3 of 4 (3150 views) Re: 2002 chevy Blazer 6cyl engine tapping Sign In As far as I know never low on oil, Can the valves be adj. on this motor? Tom Greenleaf Ultimate Carjunky / Moderator Feb 7, 2010, 5:01 PM Post #4 of 4 (3143 views) Re: 2002 chevy Blazer 6cyl engine tapping Sign In Valve are near certainly self adjusting via hydraulic lifters. If you've been bad with oil changes you could have sticking lifters and sludge. 25 for oil pressure isn't so good IMO. I'd change the oil to high end oil - I like synthetics. I wouldn't use snake oils as there may be a mechanical problem and just new oil is detergent enough if old now. Noises are tough to tell without witnessing them and even then some are elusive, T   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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