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Engine heads on 5.3 v8 2004 p/u warped - 2004 Chevrolet Silverado

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Indicates engine overheating. You need to remove the heads, send them to a head shop and let them determine if they can shave them or if you need new heads. Take a straight edge (I mean a good one for automotive work) and make sure the engine block surface is not warped as well. Double check all internal engine components while heads are off to make sure not damage done to them. Several different things can happen from this. Some as described above all the way to replacing entire longblock.

Posted on Jun 27, 2009

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Posted on Jan 02, 2017

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1 Answer

Changed the whole head gasket on a 2004 Mitsubishi Galant now the engine is knocking


compression test cyclinder may have cracked head or warped head .I think that car has an Astron motor from my memory which has an alloy head that can warp or crack if the engine has been overheated ?

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How to tell if your head is warped


To PROPERLY remove the head from the engine it is recommended that the reverse pattern used for head assembly (bolt tightening & torquing) be used.

With a machinists rule (perfect straight edge) visually check length-wise, across and diagonally across the clean surfaces that there is no concave or convex surfaces which are intended to fully mate with the block.

Minor variances can be removed by having the head PROFESSIONALLY resurfaced.

Dec 20, 2015 | Cars & Trucks

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Change cylinder head and gasket compression leak burst radiator


what country
what year
what model suzuki.
what engine is it, displacement
if in the USA we have the best documentation in the world.
we have books too.
some countries dont. so that is why we ask country and other important reasons.

suzuki sells the FSM on the car.
and online, in USA we have
Mitchels.
Chiltons (horrid)
and Alldata dot com.
http://www.scantool.net/software/alldata-diy-1-month-subscription.html

to answer in a generic (near useless form)
1: open hood.
2: remove valve cover,
3: detach intake and exhaust manifolds.
4: on most engines, not all, the cam must come out next.
The Suz, G16 engine is one.
5: next open the book to the head page and see head bolt sequence graphic, copy that.
6: now stage the head bolts, lose, do not remove them 1 by 1.
if you must stage the bolts down , then up later. or risk warping the head. (s)
v6 has 2 heads. got a v6? hummmmmm
7: head is off.
8: next (its all in the FSM) you check for warp-age.
using a steel rule crosswise, and using a feeler gauge $1
the rule is max .002" warp
9: repeat this on the engine deck. (that is the top of block)
10: ok if the head is not warped, it may be good.
The surfaces must not be bad, only an experienced mech, can answer that. just looking. not too rough, not too smooth...
but smart mechs, get the head tested in a machine shop.
they pressure test the head for small cash.
money well spent, i can tell you for SURE.
11; then put it back and torque it to spec in stages.
use a Felpro gasket do not by $5 fleabay parts. or its all a waste.

this is only crude list of steps.

read the FSM first, then ask questions.
here are the 40+ steps , for a 96
http://www.fixkick.com/engine/head-pull/head-pull.html

it does not cover the inspections, which is the most important part of any head job.


old post, but is not answser. others will find it helpful
or at least get a pro to do it and not fiddle around.

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1 Answer

Engine overheated due to broken impeller. Repaired and no leaks found in head gasket by VW. 5 miles later Beetle overheated and towed back..


how could they check for head warpage if they didnt pull the head and put it on a plate? Im calling poor diagnosis.

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1 Answer

Overheating and watery oil


Water in the oil means one of 3 things:

1) Cracked or warped cylinder head
2) Cracked engine block
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Blown head gasket is the best you can hope for. And cracked or warped cylinder head is next most likely. A cracked engine block is least likely of the three. Have you noticed anything unusual, heard any noises? And has the car overheated really badly?

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What does it mean when your head gasket blows and our heads warp?


In most cases yes the head(s) does warp, but head gaskets do leak without the head or heads being warped, have seen it both ways, it really depends on how hot the engine got.

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1 Answer

Still overheating after head is skimmed


waterpump? No movement of water/coolant, engine overheats. Engine overheats, warp heads. Next time you rip a head off, check gasket to see if head gasket failed or if there is a different cause to car overheating.

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1 Answer

Po305-cylinder 5 misfire


bad coil number 5 or spark plug is bad change the plug first see if it helps if not change the coil make sure the engine is cold can warp head if not check gap and use aintsize hope this helps you

May 09, 2010 | 2004 GMC Envoy

1 Answer

I have a jeep cherokee 01 with a 3.1 5 cylinder diesel engine. there is oil inthe water but the head gasket is ok. any ideas


If you have water in the oil and the head gasket is ok, that leaves a cracked block or a warped head.

Apr 05, 2010 | 2001 Jeep Grand Cherokee

3 Answers

I have a 1991 Nissan Maxima xls. The head gasket has been relaced 4 times in 5 weeks and it looks like it is time for number 6. On all occassions it looks like it went at the rear of the gasget. Well I...


you need a mecahnic that know what he's doing. is the head warped, quality gaskets, head bolts? has the head been checked out OK at the machine shop? a big problem has been missed, 4 times.

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